A new protocol reduces median door-to-needle time to the benchmark of 30 minutes in acute stroke treatment

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Influencia del tratamiento con interferón β-1b" ] ] "contieneResumen" => array:2 [ "en" => true "es" => true ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1169 "Ancho" => 3191 "Tamanyo" => 214215 ] ] "descripcion" => array:1 [ "en" => "Abundance of phyla. Data are expressed as mean (standard error of the mean) cumulative percentage of LCA. *P<.05; **P<.01." ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "F. Castillo-Álvarez, P. Pérez-Matute, J.A. Oteo, M.E. Marzo-Sola" "autores" => array:4 [ 0 => array:2 [ "nombre" => "F." "apellidos" => "Castillo-Álvarez" ] 1 => array:2 [ "nombre" => "P." 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Iglesias Mohedano, A. García Pastor, F. Díaz Otero, P. Vázquez Alen, M.A. Martín Gómez, P. Simón Campo, P. Salgado Cámara, E. Esteban de Antonio, E. Lázaro García, C. Funes Molina, M. del Valle Diéguez, J. Saura Lorente, Y. Fernández Bullido, A. Gil Nuñez" "autores" => array:14 [ 0 => array:4 [ "nombre" => "A.M." "apellidos" => "Iglesias Mohedano" "email" => array:1 [ 0 => "a.iglesiasmohedano@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "*" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "A." "apellidos" => "García Pastor" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "F." "apellidos" => "Díaz Otero" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] 3 => array:3 [ "nombre" => "P." 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"apellidos" => "Funes Molina" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] 10 => array:3 [ "nombre" => "M." "apellidos" => "del Valle Diéguez" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "b" "identificador" => "aff0010" ] ] ] 11 => array:3 [ "nombre" => "J." "apellidos" => "Saura Lorente" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "b" "identificador" => "aff0010" ] ] ] 12 => array:3 [ "nombre" => "Y." "apellidos" => "Fernández Bullido" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "b" "identificador" => "aff0010" ] ] ] 13 => array:3 [ "nombre" => "A." "apellidos" => "Gil Nuñez" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "a" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Sección de Neurología Vascular, Unidad de Ictus, Hospital General Universitario Gregorio Marañón, Madrid, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Sección de Neurorradiología-Radiología Intervencionista, Hospital General Universitario Gregorio Marañón, Madrid, Spain" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Un nuevo protocolo intrahospitalario reduce el tiempo puerta-aguja en el ictus agudo tratado con trombolisis intravenosa a menos de 30 minutos" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0020" "etiqueta" => "Figure 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 2490 "Ancho" => 1626 "Tamanyo" => 191169 ] ] "descripcion" => array:1 [ "en" => "Correlation between onset-to-door and door-to-needle times before (A) and after implementation of the new protocol (B). The inverse correlation between onset-to-door and door-to-needle times is known as the “3-hour effect”: patients with shorter symptom progression times, and thus more time to receive IV thrombolysis, are treated with less urgency. This effect disappeared with the implementation of the new protocol." ] ] ] "textoCompleto" => "IntroductionAccording to the most recent meta-analyses of intravenous (IV) thrombolytic treatment for acute ischaemic stroke, time to treatment continues to be the most important prognostic factor, even before age or stroke severity.<a class="elsevierStyleCrossRefs" href="#bib0125">1,2</a> Although IV thrombolysis continues to be the first treatment option for acute ischaemic stroke,<a class="elsevierStyleCrossRef" href="#bib0135">3</a> combined treatment with recombinant tissue plasminogen activator (rtPA) and mechanical thrombectomy has recently been shown to be superior.<a class="elsevierStyleCrossRefs" href="#bib0140">4–6</a>Given the enormous significance of time in the functional prognosis of stroke patients, proper management of time between symptom onset and treatment is essential.<a class="elsevierStyleCrossRefs" href="#bib0155">7,8</a>In recent years, “ultra-rapid” action protocols have reduced door-to-needle times (time elapsed between the patient's arrival at hospital and administration of IV thrombolysis) to a median of 20minutes.<a class="elsevierStyleCrossRefs" href="#bib0165">9–11</a> This door-to-needle time is much shorter than the 60-minute period initially recommended by the American Heart Association/American Stroke Association (AHA/ASA) guidelines, and even the 45-minute period recommended in its latest update.<a class="elsevierStyleCrossRef" href="#bib0180">12</a>However, no comparable in-hospital protocols have been developed in our setting. A recent multi-centre study prospectively analysing door-to-needle times in 8 Spanish stroke units in 2013 reports a median door-to-needle time of 64minutes.<a class="elsevierStyleCrossRef" href="#bib0185">13</a> A 2015 analysis of stroke units in the Spanish region of Madrid revealed a median door-to-needle time of 54minutes.<a class="elsevierStyleCrossRef" href="#bib0190">14</a> A retrospective study conducted in our centre's stroke unit analysed patients treated between January 2009 and December 2012, finding a median door-to-needle time of 52minutes.<a class="elsevierStyleCrossRef" href="#bib0195">15</a>Based on data from that study, the purpose of the present study was to analyse the impact of a new action protocol implemented to reduce door-to-needle times in a tertiary hospital in the region of Madrid, and to correct the factors associated with in-hospital delays in the previous study.Material and methodsBackground and starting pointThe action protocol presented in this study was designed based on the retrospective analysis of patients receiving IV thrombolysis between 2009 and 2012.<a class="elsevierStyleCrossRef" href="#bib0195">15</a> The study included 239 patients, and reported the following median (Q1-Q3) stroke management times (in minutes): onset-to-door time, 84 (60-120); door-to-CT time, 17 (13-24.75), CT-to-needle time, 34 (26-47); door-to-needle time, 52 (43-70); and onset-to-needle time, 145 (120-180). Furthermore, the multivariate regression analysis identified 2 factors associated with IV thrombolysis treatment delay: advanced neuroimaging studies (CT angiography) before treatment (13.5% increase in door-to-needle time), and the “3-hour effect” (door-to-needle time decreased by 4.7minutes for every 30minutes of onset-to-door time). In contrast, pre-hospital code stroke activation decreased door-to-needle time by 26.3%.New action protocolThe new measures were introduced in February 2014 and gradually implemented until February 2017. The last measure, implemented in February 2017, was the administration of an rtPA bolus in the radiology room; this was available 7 days a week, between 08:00 and 22:00.We prospectively gathered data from patients who received IV thrombolysis between February 2014 and April 2017 (3 months after the last measure was implemented). We compared stroke management times between the 2 series (before and after the implementation of the new protocol) and analysed whether the factors associated with in-hospital delays in the first sample had been corrected in the second. We excluded patients presenting in-hospital stroke and those transferred to our centre after undergoing diagnostic tests in another centre.The impact of these measures on in-hospital times (door-to-CT, CT-to-needle, door-to-needle) has been addressed in a previous study.<a class="elsevierStyleCrossRef" href="#bib0200">16</a><a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> summarises the changes introduced to the previous action protocol. In addition to these measures, feedback sessions were held once a month, with vascular neurologists, residents, on-call neurologists, and nurses sharing their ideas on potential issues and improvements with regard to the new protocol. We also named a “stroke team of the month” to acknowledge the consultant neurologist and the neurology resident achieving the shortest door-to-needle time.<elsevierMultimedia ident="tbl0005"></elsevierMultimedia>Variables analysedIn a sample of prospective patients receiving IV thrombolysis, we gathered data on demographic variables, stroke severity (NIHSS), stroke location (anterior/posterior territory), and whether code stroke was activated. We also gathered data on time from symptom onset to hospital arrival (onset-to-door time), time from hospital arrival to head CT scan (door-to-CT time), time from head CT scan to administration of IV thrombolysis (CT-to-needle time), and time from symptom onset to treatment with rtPA (onset-to-needle time). We determined the number of patients undergoing CT angiography before receiving IV thrombolysis, and stroke management times for each case.The safety of the new protocol was evaluated according to the number of cases of symptomatic haemorrhagic transformation after treatment (ECASS-II criteria<a class="elsevierStyleCrossRef" href="#bib0205">17</a>) and the number of stroke mimics treated.Statistical analysisStatistical analysis was performed using the SPSS statistical software, version 20. Quantitative variables are expressed as medians and the first and third quartiles (Q1-Q3), and as means and standard deviation (SD). The Mann–Whitney U test was used to compare medians between 2 groups. We conducted a simple linear regression analysis to identify the variables affecting door-to-needle time. The factors showing significant results in the univariate analysis were included in the multiple linear regression model. Values of P≤.05 were considered statistically significant.ResultsBaseline characteristicsA total of 222 patients received IV thrombolysis after the introduction of the new protocol. Fifty-nine of these were treated between February 2014 and December 2014, 69 patients were treated in 2015, 70 in 2016, and 24 in the first 4 months of 2017. Mean age (SD) was 70.5 (14.9) years; 56.1% of patients were men. The median (Q1-Q3) NIHSS score at baseline was 11 points (7-18). Code stroke was activated in 78.8% of cases. <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a> summarises patient baseline characteristics before and after the implementation of the new protocol.<elsevierMultimedia ident="tbl0010"></elsevierMultimedia>In-hospital stroke management times for patients treated with IV thrombolysis before and after implementation of the new protocolMedian stroke management times (in minutes) after the new protocol was implemented were as follows: onset-to-door time, 82.5 (57.7-116.2); door-to-CT time, 15 (11.7-20); CT-to-needle time, 18 (13-25); door-to-needle time, 34 (28-45); and onset-to-needle time, 119 (93-155.2). All management times decreased significantly (P<.001), with the exception of onset-to-door time. <a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a> summarises stroke management times before and after the implementation of the new protocol.<elsevierMultimedia ident="tbl0015"></elsevierMultimedia>Considering the recommendations of the latest AHA/ASA guidelines,<a class="elsevierStyleCrossRef" href="#bib0180">12</a> door-to-CT time was below 20minutes in 62.8% of patients before the implementation of the new protocol, compared to 78.8% of patients after it was implemented (P<.001). Door-to-needle time was below 45minutes in 21.6% and 68.2% of patients before and after the new protocol, respectively (P<.001), and below 30minutes in 5.4% and 37.4% of patients (P<.001).The median door-to-needle time during the first year of the new protocol was 40minutes, gradually decreasing to 27minutes in the last 4 months of the study; this coincided with the consolidation of treatment with rtPA bolus in the radiology room (a 48% decrease compared to the period before implementation of the new protocol; P<.001). Decreases were more marked in cases of pre-hospital code stroke activation, with a median of 22minutes in the last 4 months (<a class="elsevierStyleCrossRefs" href="#fig0005">Figs. 1 and 2</a>).<elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia>Under the old protocol, 5.8% of patients received treatment within 90minutes of symptom onset, 28.8% within 120minutes, and 75.3% within 180minutes. Under the new protocol, 23.4% of patients were treated within 90minutes of symptom onset (P<.001), 54.1% within 120minutes (P<.001), and 83.4% within 180minutes (P<.03) (<a class="elsevierStyleCrossRef" href="#fig0015">Fig. 3</a>).<elsevierMultimedia ident="fig0015"></elsevierMultimedia>Factors associated with delayed administration of intravenous thrombolysis prior to implementation of the new protocolIn the univariate regression analysis, neither age (P=.82) nor sex (P=.54) or baseline NIHSS score (P=.25) were found to have a significant impact on door-to-needle times under the old protocol. After the new protocol was implemented, no linear correlation was observed between onset-to-door time and door-to-needle time (B=–0.004; 95% CI, −0.047 to 0.040; P=.98); this correlation was observed under the old protocol, however (“3-hour effect”) (B=−0.125; P<.001) (<a class="elsevierStyleCrossRef" href="#fig0020">Fig. 4</a>). Two factors did continue to affect door-to-needle times after the implementation of the new protocol: use of CT angiography (B=17.31; 95% CI, 11.79-21.39; P<.001) and pre-hospital code stroke activation (B=−11.54; 95% CI, −16.75 to −6.32; P<.001).<elsevierMultimedia ident="fig0020"></elsevierMultimedia>In the multivariate regression analysis, CT angiography studies performed before administration of IV thrombolysis continued to result in significantly longer door-to-needle times after the implementation of the new protocol (B=17.46; 95% CI, 11.36-21.24; P<.001); times were even proportionally longer than in the initial period (B=7.31; P=.03). However, CT angiography was performed before IV thrombolysis in fewer patients after the new protocol was introduced (34% vs 15.3%; P<.001). Pre-hospital code stroke activation continued to result in shorter management times (B=−11.36; 95% CI, −15.52 to −5.38; P<.001).SafetyA total of 2.3% of patients treated with IV thrombolysis presented stroke mimics, and 2.7% presented symptomatic haemorrhagic transformation (vs 4.2% before the new treatment protocol; P=.63).DiscussionAccording to our results, the implementation of a simple action protocol can significantly improve in-hospital stroke management times at a tertiary hospital. Although our centre's median door-to-needle times fell within the recommended 60-minute period, we consider this objective to be insufficient.<a class="elsevierStyleCrossRef" href="#bib0135">3</a>The 60-minute window was established in 1995.<a class="elsevierStyleCrossRef" href="#bib0210">18</a> The latest version of the AHA/ASA guidelines has updated this recommendation, advocating a door-to-needle time of < 45minutes for at least 50% of patients.<a class="elsevierStyleCrossRef" href="#bib0180">12</a> The importance of time to treatment in acute stroke has been reaffirmed in successive clinical trials and meta-analyses of IV thrombolysis and endovascular treatment; this has led to an even more ambitious goal, a door-to-needle time of < 30minutes.<a class="elsevierStyleCrossRefs" href="#bib0175">11,19,20</a>Some “ultra-rapid” protocols have progressively reduced stroke management times, achieving a median door-to-needle time of 20minutes.<a class="elsevierStyleCrossRefs" href="#bib0165">9,10</a> However, no comparable in-hospital protocols have been developed in our setting.Identifying the factors involved in long door-to-needle times at our centre and describing stroke management times constitute the starting point for our project.<a class="elsevierStyleCrossRef" href="#bib0195">15</a> By gradually introducing a set of new measures, door-to-needle time has decreased to 27minutes (a 48% reduction in the last 4 months of the study vs the initial period) due to the consolidation of treatment with rtPA in the radiology room. Decreases were even more marked in cases of pre-hospital code stroke activation, for which the median door-to-needle time was 22minutes. Although proportionally fewer pre-hospital code stroke activations were recorded in the second period than in the first, onset-to-door times did not change significantly, whereas in-hospital times did decrease overall.The introduction of the new protocol has also achieved a significant decrease in onset-to-needle time (26minutes), without any change in onset-to-door times. This is the most remarkable finding of our study, as the number needed to treat to obtain an optimal functional outcome (modified Rankin Scale scores of 0 or 1) is reported to increase by 1 for every 20minutes of onset-to-needle time.<a class="elsevierStyleCrossRef" href="#bib0215">19</a> Furthermore, the number of patients treated within 90minutes of symptom onset increased significantly, with over 80% of patients treated within 3hours. This improvement in management times may increase the likelihood of good functional prognosis after treatment.<a class="elsevierStyleCrossRef" href="#bib0225">21</a>According to several studies, performing a CT angiography study before administration of IV thrombolysis leads to in-hospital delays.<a class="elsevierStyleCrossRefs" href="#bib0165">9,22</a> In our centre, door-to-needle time was significantly longer in the initial period.<a class="elsevierStyleCrossRef" href="#bib0195">15</a> Since the implementation of the new protocol, neuroimaging studies are performed before IV thrombolysis only in specific cases (<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>). However, the door-to-needle time remained proportionally longer in the second period. This phenomenon has also been described in a hospital in Helsinki.<a class="elsevierStyleCrossRef" href="#bib0165">9</a> It may be explained by the fact that CT angiography is only used in patients with uncertain diagnosis or more complex cases (e.g., suspected basilar artery occlusion). At present, since the introduction of rtPA bolus administration in the radiology room, CT angiography is performed immediately after onset of IV thrombolysis, with the patient on the examination table. Not only does this approach not delay rtPA treatment onset, it also allows immediate identification of patients eligible for endovascular treatment.<a class="elsevierStyleCrossRefs" href="#bib0165">9,10,19</a>Updating in-hospital protocols and decreasing door-to-needle times is also essential for timely endovascular treatment, and should be considered when designing stroke management plans with the mothership or the drip and ship models.<a class="elsevierStyleCrossRef" href="#bib0235">23</a>According to the “3-hour effect,” patients with shorter symptom progression times, who consequently have more time to receive IV thrombolysis, are treated with less urgency. This inverse correlation between onset-to-door and door-to-needle times was identified as a factor involved in in-hospital delays and has disappeared with the new protocol. To this end, special emphasis was placed on promoting motivation and adherence to the protocol among on-call neurologists; this measure has previously been shown to be effective in other Spanish hospitals.<a class="elsevierStyleCrossRef" href="#bib0240">24</a>Regarding the safety of the new protocol, no significant differences were observed in the number of cases of haemorrhagic transformation between the 2 periods, and the number of patients with stroke mimics receiving thrombolysis is similar to those reported in other series.<a class="elsevierStyleCrossRef" href="#bib0165">9</a>The efficacy of each of the measures included in the new protocol has been analysed in a previous article. Requesting complementary tests and reviewing the patient's clinical history before their arrival at the hospital reduced the median door-to-CT time by up to 2minutes in patients with code stroke activation, whereas not performing an additional electrocardiography study reduced it by up to 5minutes. Furthermore, performing CT angiography after IV thrombolysis and not waiting for the results of the coagulation study were independent predictors of shorter CT-to-needle and door-to-needle times. This suggests that performing every step of the protocol in sequential order is essential to achieving optimal results.<a class="elsevierStyleCrossRef" href="#bib0200">16</a>Our study has a number of limitations: it was performed in a single centre; the new measures could not be applied in all cases for various reasons (pre-hospital code stroke was not activated, adherence to the protocol was not optimal during the early phases, protocol measures were not introduced simultaneously, etc.)<a class="elsevierStyleCrossRef" href="#bib0200">16</a>; and the complete protocol was applied only in the last 4 months of the study. We expect in-hospital management times to continue decreasing due to training of the stroke team. Although the median door-to-needle time is currently below the 30minutes recommended in the literature, the interquartile range remains large. This may be explained by the fact that our study included patients for whom pre-hospital code stroke had not been activated, as well as more complex cases (e.g., posterior circulation stroke) that are excluded from other series.<a class="elsevierStyleCrossRef" href="#bib0165">9</a> New measures are currently being studied to continue reducing stroke management times; these include direct transfer of the patient to the radiology room upon arrival at the hospital. In 2016, median door-to-needle times increased slightly as compared to the previous year. During that year, feedback sessions were held on a less regular basis. Anecdotally, our experience suggests that the motivation of the healthcare team plays a pivotal role in maintaining improvements in stroke management times. Our initial objective was to reduce door-to-needle times; therefore, we did not analyse door-to-femoral puncture time. However, as the measures included in the new protocol assist in the selection of candidates for endovascular treatment, door-to-femoral puncture time is also likely to have decreased. Future studies should also analyse this parameter.In conclusion, the measures implemented were found to effectively reduce in-hospital stroke management times and even total time to treatment with IV thrombolytics. Motivation, training, and team work are key factors in the success of our protocol. Updating in-hospital protocols and reducing door-to-needle times is also essential in providing timely endovascular treatment. At present, there remains room for improvement; according to our experience, door-to-needle times of less than 30minutes should be the goal of stroke units.FundingThe study received funding from the Gregorio Marañón Healthcare Research Institute.Conflicts of interestThe authors have no conflicts of interest to declare." "textoCompletoSecciones" => array:1 [ "secciones" => array:12 [ 0 => array:3 [ "identificador" => "xres1572283" "titulo" => "Abstract" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Material and methods" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] 1 => array:2 [ "identificador" => "xpalclavsec1416481" "titulo" => "Keywords" ] 2 => array:3 [ "identificador" => "xres1572282" "titulo" => "Resumen" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Material y métodos" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultados" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] 3 => array:2 [ "identificador" => "xpalclavsec1416480" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:3 [ "identificador" => "sec0010" "titulo" => "Material and methods" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "sec0015" "titulo" => "Background and starting point" ] 1 => array:2 [ "identificador" => "sec0020" "titulo" => "New action protocol" ] 2 => array:2 [ "identificador" => "sec0025" "titulo" => "Variables analysed" ] 3 => array:2 [ "identificador" => "sec0030" "titulo" => "Statistical analysis" ] ] ] 6 => array:3 [ "identificador" => "sec0035" "titulo" => "Results" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "sec0040" "titulo" => "Baseline characteristics" ] 1 => array:2 [ "identificador" => "sec0045" "titulo" => "In-hospital stroke management times for patients treated with IV thrombolysis before and after implementation of the new protocol" ] 2 => array:2 [ "identificador" => "sec0050" "titulo" => "Factors associated with delayed administration of intravenous thrombolysis prior to implementation of the new protocol" ] 3 => array:2 [ "identificador" => "sec0055" "titulo" => "Safety" ] ] ] 7 => array:2 [ "identificador" => "sec0060" "titulo" => "Discussion" ] 8 => array:2 [ "identificador" => "sec0065" "titulo" => "Funding" ] 9 => array:2 [ "identificador" => "sec0070" "titulo" => "Conflicts of interest" ] 10 => array:2 [ "identificador" => "xack555135" "titulo" => "Acknowledgements" ] 11 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2018-01-23" "fechaAceptado" => "2018-04-15" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec1416481" "palabras" => array:6 [ 0 => "Acute stroke" 1 => "Door-to-needle time" 2 => "In-hospital protocols" 3 => "Intravenous thrombolysis" 4 => "Ischaemic stroke" 5 => "Stroke treatment" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec1416480" "palabras" => array:6 [ 0 => "Tiempo puerta-aguja" 1 => "Trombolisis intravenosa" 2 => "Tratamiento del ictus" 3 => "Protocolo intrahospitalario" 4 => "Ictus agudo" 5 => "Ictus isquémico" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:3 [ "titulo" => "Abstract" "resumen" => "IntroductionRecent analyses emphasise that The Benchmark Stroke Door-to-Needle Time (DNT) should be 30min. This study aimed to determine if a new in-hospital IVT protocol is effective in reducing door-to-needle time and correcting previously identified factors associated with delays. Material and methodsIn 2014, we gradually introduced a series of measures aimed to reduce door-to-needle time for patients receiving IVT, and compared it before (2009-2012) and after (2014-2017) the new protocol was introduced. ResultsThe sample included 239 patients before and 222 after the introduction of the protocol. Median overall door-to-needle time was 27min after the protocol was fully implemented (a 48% reduction on previous door-to-needle time [52min], P<.001)]. Median door-to-needle time was lower when pre-hospital code stroke was activated (22min). We observed a 26-min reduction in the median time from onset to treatment (P<.001). After the protocol was implemented, the “3-hour-effect” did not affect door-to-needle time (P=.98). Computed tomography angiography studies performed before IVT were associated with increased door-to-needle time (P<.001); however, the test was performed after IVT was started in most cases. ConclusionsHospital reorganisation and multidisciplinary collaboration brought median door-to-needle time below 30min and corrected previously identified delay factors. Furthermore, overall time from onset to treatment was also reduced and more stroke patients were treated within 90min of symptom onset." "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Material and methods" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] "es" => array:3 [ "titulo" => "Resumen" "resumen" => "IntroducciónEl objetivo del tiempo puerta-aguja en el ictus isquémico agudo tratado con trombólisis intravenosa (TIV) tiende a situarse actualmente en los 30min. Determinamos si un nuevo protocolo de actuación intrahospitalario es eficaz para reducir el intervalo puerta-aguja y corregir los factores de demora previamente identificados. Material y métodosEn 2014 se implantaron gradualmente unas medidas diseñadas para acortar los tiempos de actuación intrahospitalarios en los pacientes tratados con TIV. Se compararon los tiempos de actuación antes (2009-2012) y después (febrero 2014-abril 2017) de la introducción del nuevo protocolo. ResultadosSe incluyeron 239 pacientes antes y 222 después. Cuando todas las medidas fueron introducidas, la mediana global de tiempo puerta-aguja fue de 27min (previa 52min, 48% menos, p<0,001) y de 22min cuando se activó el código ictus extrahospitalario. El tiempo global al tratamiento (inicio-aguja) se redujo en 26min de mediana (p<0,001). En el período postintervención ya no se objetivó el «efecto de fin de ventana» (p=0,98). Aunque la angio-TC antes de la TIV continuó retrasando los tiempos de actuación (p<0,001), tras el nuevo protocolo, esta prueba se realizó después del inicio del tratamiento en la mayoría de los casos. ConclusionesLa reorganización intrahospitalaria y la colaboración multidisciplinar han situado la mediana de tiempo puerta-aguja por debajo de los 30min y han corregido los factores de demora identificados previamente. Además, se ha reducido el tiempo global al tratamiento y una mayor proporción de pacientes son tratados en los primeros 90min desde el inicio de los síntomas." "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Material y métodos" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultados" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] ] "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "Please cite this article as: Iglesias Mohedano AM, García Pastor A, Díaz Otero F, Vázquez Alen P, Martín Gómez MA, Simón Campo P, et al. Un nuevo protocolo intrahospitalario reduce el tiempo puerta-aguja en el ictus agudo tratado con trombolisis intravenosa a menos de 30 minutos. Neurología. 2021;36:487–494." ] ] "multimedia" => array:7 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1022 "Ancho" => 1546 "Tamanyo" => 86387 ] ] "descripcion" => array:1 [ "en" => "Progression of door-to-needle times before (2009-2012) and after (2014-2017) the implementation of the new protocol. Over the last months of the study, with the new protocol fully implemented, door-to-needle time is < 30minutes (median in the last 4 months: 27minutes). In 2013, we analysed management times from the initial period and designed the new protocol." ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 852 "Ancho" => 1500 "Tamanyo" => 60576 ] ] "descripcion" => array:1 [ "en" => "In the last 3 months of the study period (when all protocol measures had come into force, including administration of rtPA in the radiology room and extension of the schedule for administration [8:00-22:00]), door-to-needle time was < 30minutes. Door-to-needle time decreased as the number of patients starting rtPA treatment in the radiology room increased." ] ] 2 => array:7 [ "identificador" => "fig0015" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 867 "Ancho" => 1567 "Tamanyo" => 82172 ] ] "descripcion" => array:1 [ "en" => "Percentage of patients in each onset-to-needle time interval before and after implementation of the new protocol: 0-60min (P=.66), 61-90min (P<.001), 91-120min (P=.05), 121-150 (P=.06), 150-180 (P<.001), and 181-270min (P=.027). Treatment was administered within 90minutes of symptom onset in 5.8% of patients in the first period and 23.9% of patients in the second period (P<.001)." ] ] 3 => array:7 [ "identificador" => "fig0020" "etiqueta" => "Figure 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 2490 "Ancho" => 1626 "Tamanyo" => 191169 ] ] "descripcion" => array:1 [ "en" => "Correlation between onset-to-door and door-to-needle times before (A) and after implementation of the new protocol (B). The inverse correlation between onset-to-door and door-to-needle times is known as the “3-hour effect”: patients with shorter symptom progression times, and thus more time to receive IV thrombolysis, are treated with less urgency. This effect disappeared with the implementation of the new protocol." ] ] 4 => array:8 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at1" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Old protocol2009-2012 \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">New protocol2014-2017 \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pre-hospital code stroke activation (before patient arrival at the hospital) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Contact made with triage and emergency department nursing staff and vascular neurologists \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Patient personal data requested from emergency servicesAnalysis of patient historyComplementary tests requested before patient arrival (blood analysis and head CT scan) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Assessment in advanced life support unit (upon arrival at the emergency department) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Emergency department nurses: vital signs, electrocardiography, blood analysisOn-call neurologist: clinical history, NIHSS \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Electrocardiography is avoided (only performed in patients with suspected cardiovascular alterations or when not performed by emergency services)CoaguChek (if patient taking vitamin K antagonists) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Neuroimaging \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Simple CT scanInterpretation by on-call neurologist if radiologist is not immediately availableCT angiography performed before IV thrombolysis if considered appropriate by the on-call neurologist \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Informed consent sought (to avoid delays)Administration of rtPA bolus in the radiology room after the simple CT scan (8:00-22:00, 7 days/week)CT angiography after onset of IV thrombolysis (except if diagnosis is uncertain or basilar artery occlusion suspected)Transfer to interventional radiology department if the patient has signs of large-vessel occlusion and is eligible for surgery, or to a centre with on-call inverventional radiology department \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Admission to stroke unit \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Blood analysis and coagulation test results awaitedInformed consent soughtIV thrombolysisTranscranial duplex ultrasoundMechanical thrombectomy considered in cases of large-vessel occlusion or ineffectiveness of IV thrombolysisConfirmation via CT angiography if necessary \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Interpretation of blood analysis resultsElectrocardiographyNeurosonology \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab2693787.png" ] ] ] ] "descripcion" => array:1 [ "en" => "In-hospital management of patients with acute ischaemic stroke before (2009-2012) and after (2014-2017) the implementation of the new protocol." ] ] 5 => array:8 [ "identificador" => "tbl0010" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at2" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n \t\t\t\t\ttable-head\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">n \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Old protocol \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">New protocol \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">P \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">239 \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">222 \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Study period \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2009-2012 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">February 2014-April 2017 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Mean age (SD) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">69.24 (12.8) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">70.5 (14.9) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.32 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Sex (male) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">135 (56.5) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">124 (56.1) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.50 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Baseline NIHSS (median, Q1-Q3) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14 (9–18) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">11 (7–18) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.05 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Arterial hypertension \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">143 (59.8%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">132 (59.5%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.50 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Dyslipidaemia \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">90 (37.7%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">82 (37.1%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.49 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Diabetes mellitus \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">60 (25.1%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">51 (23.1%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.34 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Smokers \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">43 (18%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">30 (13.6%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.12 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">History of stroke \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">27 (11.3%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">31 (14%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.22 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Location: posterior circulation stroke \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">16 (6.7%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 (4.5%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.42 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Code stroke activation \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">211 (88.3%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">175 (78.8%) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.008 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab2693786.png" ] ] ] ] "descripcion" => array:1 [ "en" => "Demographic and clinical characteristics of the patients treated with IV thrombolysis before and after implementation of the new protocol." ] ] 6 => array:8 [ "identificador" => "tbl0015" "etiqueta" => "Table 3" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at3" "detalle" => "Table " "rol" => "short" ] ] "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Old protocol \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">New protocol \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">P \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Onset-to-door time \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">84 (60-120) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">82.5 (57.7-116.2) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">.9 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Door-to-CT time \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">17 (13-24.75) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">15 (11.7-20) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><.001 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">CT-to-needle time \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">34 (26-47) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">18 (13-25) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><.001 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Door-to-needle time \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">52 (43-70) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">34 (28-45) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><.001 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Onset-to-needle time \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">145 (120-180) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">119 (93-155.2) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><.001 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab2693785.png" ] ] ] ] "descripcion" => array:1 [ "en" => "In-hospital stroke management times (median, Q1-Q3) before (2009-2012) and after the implementation of the new protocol (February 2014-April 2017)." ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0015" "bibliografiaReferencia" => array:24 [ 0 => array:3 [ "identificador" => "bib0125" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Effect of treatment delay, age, and stroke severity on the effects of intravenous thrombolysis with alteplase for acute ischaemic stroke: a meta-analysis of individual patient data from randomised trials" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "J. 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Un nuevo protocolo intrahospitalario reduce el tiempo puerta-aguja en el ictus agudo tratado con trombolisis intravenosa a menos de 30 minutos

A.M. Iglesias Mohedanoa,

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a.iglesiasmohedano@gmail.com

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, A. García Pastora, F. Díaz Oteroa, P. Vázquez Alena, M.A. Martín Gómeza, P. Simón Campoa, P. Salgado Cámaraa, E. Esteban de Antonioa, E. Lázaro Garcíab, C. Funes Molinaa, M. del Valle Diéguezb, J. Saura Lorenteb, Y. Fernández Bullidob, A. Gil Nuñeza

a Sección de Neurología Vascular, Unidad de Ictus, Hospital General Universitario Gregorio Marañón, Madrid, Spain

b Sección de Neurorradiología-Radiología Intervencionista, Hospital General Universitario Gregorio Marañón, Madrid, Spain

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          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Correlation between onset-to-door and door-to-needle times before &#40;A&#41; and after implementation of the new protocol &#40;B&#41;&#46; The inverse correlation between onset-to-door and door-to-needle times is known as the &#8220;3-hour effect&#8221;&#58; patients with shorter symptom progression times&#44; and thus more time to receive IV thrombolysis&#44; are treated with less urgency&#46; This effect disappeared with the implementation of the new protocol&#46;</p>"
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">According to the most recent meta-analyses of intravenous &#40;IV&#41; thrombolytic treatment for acute ischaemic stroke&#44; time to treatment continues to be the most important prognostic factor&#44; even before age or stroke severity&#46;<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1&#44;2</span></a> Although IV thrombolysis continues to be the first treatment option for acute ischaemic stroke&#44;<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">3</span></a> combined treatment with recombinant tissue plasminogen activator &#40;rtPA&#41; and mechanical thrombectomy has recently been shown to be superior&#46;<a class="elsevierStyleCrossRefs" href="#bib0140"><span class="elsevierStyleSup">4&#8211;6</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Given the enormous significance of time in the functional prognosis of stroke patients&#44; proper management of time between symptom onset and treatment is essential&#46;<a class="elsevierStyleCrossRefs" href="#bib0155"><span class="elsevierStyleSup">7&#44;8</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">In recent years&#44; &#8220;ultra-rapid&#8221; action protocols have reduced door-to-needle times &#40;time elapsed between the patient&#39;s arrival at hospital and administration of IV thrombolysis&#41; to a median of 20<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9&#8211;11</span></a> This door-to-needle time is much shorter than the 60-minute period initially recommended by the American Heart Association&#47;American Stroke Association &#40;AHA&#47;ASA&#41; guidelines&#44; and even the 45-minute period recommended in its latest update&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">However&#44; no comparable in-hospital protocols have been developed in our setting&#46; A recent multi-centre study prospectively analysing door-to-needle times in 8 Spanish stroke units in 2013 reports a median door-to-needle time of 64<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">13</span></a> A 2015 analysis of stroke units in the Spanish region of Madrid revealed a median door-to-needle time of 54<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">14</span></a> A retrospective study conducted in our centre&#39;s stroke unit analysed patients treated between January 2009 and December 2012&#44; finding a median door-to-needle time of 52<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">Based on data from that study&#44; the purpose of the present study was to analyse the impact of a new action protocol implemented to reduce door-to-needle times in a tertiary hospital in the region of Madrid&#44; and to correct the factors associated with in-hospital delays in the previous study&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Material and methods</span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Background and starting point</span><p id="par0030" class="elsevierStylePara elsevierViewall">The action protocol presented in this study was designed based on the retrospective analysis of patients receiving IV thrombolysis between 2009 and 2012&#46;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> The study included 239 patients&#44; and reported the following median &#40;<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">1</span>-<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">3</span>&#41; stroke management times &#40;in minutes&#41;&#58; onset-to-door time&#44; 84 &#40;60-120&#41;&#59; door-to-CT time&#44; 17 &#40;13-24&#46;75&#41;&#44; CT-to-needle time&#44; 34 &#40;26-47&#41;&#59; door-to-needle time&#44; 52 &#40;43-70&#41;&#59; and onset-to-needle time&#44; 145 &#40;120-180&#41;&#46; Furthermore&#44; the multivariate regression analysis identified 2 factors associated with IV thrombolysis treatment delay&#58; advanced neuroimaging studies &#40;CT angiography&#41; before treatment &#40;13&#46;5&#37; increase in door-to-needle time&#41;&#44; and the &#8220;3-hour effect&#8221; &#40;door-to-needle time decreased by 4&#46;7<span class="elsevierStyleHsp" style=""></span>minutes for every 30<span class="elsevierStyleHsp" style=""></span>minutes of onset-to-door time&#41;&#46; In contrast&#44; pre-hospital code stroke activation decreased door-to-needle time by 26&#46;3&#37;&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">New action protocol</span><p id="par0035" class="elsevierStylePara elsevierViewall">The new measures were introduced in February 2014 and gradually implemented until February 2017&#46; The last measure&#44; implemented in February 2017&#44; was the administration of an rtPA bolus in the radiology room&#59; this was available 7 days a week&#44; between 08&#58;00 and 22&#58;00&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">We prospectively gathered data from patients who received IV thrombolysis between February 2014 and April 2017 &#40;3 months after the last measure was implemented&#41;&#46; We compared stroke management times between the 2 series &#40;before and after the implementation of the new protocol&#41; and analysed whether the factors associated with in-hospital delays in the first sample had been corrected in the second&#46; We excluded patients presenting in-hospital stroke and those transferred to our centre after undergoing diagnostic tests in another centre&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">The impact of these measures on in-hospital times &#40;door-to-CT&#44; CT-to-needle&#44; door-to-needle&#41; has been addressed in a previous study&#46;<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">16</span></a></p><p id="par0050" class="elsevierStylePara elsevierViewall"><a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> summarises the changes introduced to the previous action protocol&#46; In addition to these measures&#44; feedback sessions were held once a month&#44; with vascular neurologists&#44; residents&#44; on-call neurologists&#44; and nurses sharing their ideas on potential issues and improvements with regard to the new protocol&#46; We also named a &#8220;stroke team of the month&#8221; to acknowledge the consultant neurologist and the neurology resident achieving the shortest door-to-needle time&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Variables analysed</span><p id="par0055" class="elsevierStylePara elsevierViewall">In a sample of prospective patients receiving IV thrombolysis&#44; we gathered data on demographic variables&#44; stroke severity &#40;NIHSS&#41;&#44; stroke location &#40;anterior&#47;posterior territory&#41;&#44; and whether code stroke was activated&#46; We also gathered data on time from symptom onset to hospital arrival &#40;onset-to-door time&#41;&#44; time from hospital arrival to head CT scan &#40;door-to-CT time&#41;&#44; time from head CT scan to administration of IV thrombolysis &#40;CT-to-needle time&#41;&#44; and time from symptom onset to treatment with rtPA &#40;onset-to-needle time&#41;&#46; We determined the number of patients undergoing CT angiography before receiving IV thrombolysis&#44; and stroke management times for each case&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">The safety of the new protocol was evaluated according to the number of cases of symptomatic haemorrhagic transformation after treatment &#40;ECASS-II criteria<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">17</span></a>&#41; and the number of stroke mimics treated&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Statistical analysis</span><p id="par0065" class="elsevierStylePara elsevierViewall">Statistical analysis was performed using the SPSS statistical software&#44; version 20&#46; Quantitative variables are expressed as medians and the first and third quartiles &#40;<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">1</span>-<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">3</span>&#41;&#44; and as means and standard deviation &#40;SD&#41;&#46; The Mann&#8211;Whitney <span class="elsevierStyleItalic">U</span> test was used to compare medians between 2 groups&#46; We conducted a simple linear regression analysis to identify the variables affecting door-to-needle time&#46; The factors showing significant results in the univariate analysis were included in the multiple linear regression model&#46; Values of <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#8804;<span class="elsevierStyleHsp" style=""></span>&#46;05 were considered statistically significant&#46;</p></span></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Results</span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Baseline characteristics</span><p id="par0070" class="elsevierStylePara elsevierViewall">A total of 222 patients received IV thrombolysis after the introduction of the new protocol&#46; Fifty-nine of these were treated between February 2014 and December 2014&#44; 69 patients were treated in 2015&#44; 70 in 2016&#44; and 24 in the first 4 months of 2017&#46; Mean age &#40;SD&#41; was 70&#46;5 &#40;14&#46;9&#41; years&#59; 56&#46;1&#37; of patients were men&#46; The median &#40;<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">1</span>-<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">3</span>&#41; NIHSS score at baseline was 11 points &#40;7-18&#41;&#46; Code stroke was activated in 78&#46;8&#37; of cases&#46; <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a> summarises patient baseline characteristics before and after the implementation of the new protocol&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">In-hospital stroke management times for patients treated with IV thrombolysis before and after implementation of the new protocol</span><p id="par0075" class="elsevierStylePara elsevierViewall">Median stroke management times &#40;in minutes&#41; after the new protocol was implemented were as follows&#58; onset-to-door time&#44; 82&#46;5 &#40;57&#46;7-116&#46;2&#41;&#59; door-to-CT time&#44; 15 &#40;11&#46;7-20&#41;&#59; CT-to-needle time&#44; 18 &#40;13-25&#41;&#59; door-to-needle time&#44; 34 &#40;28-45&#41;&#59; and onset-to-needle time&#44; 119 &#40;93-155&#46;2&#41;&#46; All management times decreased significantly &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; with the exception of onset-to-door time&#46; <a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a> summarises stroke management times before and after the implementation of the new protocol&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0080" class="elsevierStylePara elsevierViewall">Considering the recommendations of the latest AHA&#47;ASA guidelines&#44;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> door-to-CT time was below 20<span class="elsevierStyleHsp" style=""></span>minutes in 62&#46;8&#37; of patients before the implementation of the new protocol&#44; compared to 78&#46;8&#37; of patients after it was implemented &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46; Door-to-needle time was below 45<span class="elsevierStyleHsp" style=""></span>minutes in 21&#46;6&#37; and 68&#46;2&#37; of patients before and after the new protocol&#44; respectively &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; and below 30<span class="elsevierStyleHsp" style=""></span>minutes in 5&#46;4&#37; and 37&#46;4&#37; of patients &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall">The median door-to-needle time during the first year of the new protocol was 40<span class="elsevierStyleHsp" style=""></span>minutes&#44; gradually decreasing to 27<span class="elsevierStyleHsp" style=""></span>minutes in the last 4 months of the study&#59; this coincided with the consolidation of treatment with rtPA bolus in the radiology room &#40;a 48&#37; decrease compared to the period before implementation of the new protocol&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46; Decreases were more marked in cases of pre-hospital code stroke activation&#44; with a median of 22<span class="elsevierStyleHsp" style=""></span>minutes in the last 4 months &#40;<a class="elsevierStyleCrossRefs" href="#fig0005">Figs&#46; 1 and 2</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0090" class="elsevierStylePara elsevierViewall">Under the old protocol&#44; 5&#46;8&#37; of patients received treatment within 90<span class="elsevierStyleHsp" style=""></span>minutes of symptom onset&#44; 28&#46;8&#37; within 120<span class="elsevierStyleHsp" style=""></span>minutes&#44; and 75&#46;3&#37; within 180<span class="elsevierStyleHsp" style=""></span>minutes&#46; Under the new protocol&#44; 23&#46;4&#37; of patients were treated within 90<span class="elsevierStyleHsp" style=""></span>minutes of symptom onset &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; 54&#46;1&#37; within 120<span class="elsevierStyleHsp" style=""></span>minutes &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; and 83&#46;4&#37; within 180<span class="elsevierStyleHsp" style=""></span>minutes &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;03&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Factors associated with delayed administration of intravenous thrombolysis prior to implementation of the new protocol</span><p id="par0095" class="elsevierStylePara elsevierViewall">In the univariate regression analysis&#44; neither age &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;82&#41; nor sex &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;54&#41; or baseline NIHSS score &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;25&#41; were found to have a significant impact on door-to-needle times under the old protocol&#46; After the new protocol was implemented&#44; no linear correlation was observed between onset-to-door time and door-to-needle time &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#8211;0&#46;004&#59; 95&#37; CI&#44; &#8722;0&#46;047 to 0&#46;040&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;98&#41;&#59; this correlation was observed under the old protocol&#44; however &#40;&#8220;3-hour effect&#8221;&#41; &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#8722;0&#46;125&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0020">Fig&#46; 4</a>&#41;&#46; Two factors did continue to affect door-to-needle times after the implementation of the new protocol&#58; use of CT angiography &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>17&#46;31&#59; 95&#37; CI&#44; 11&#46;79-21&#46;39&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41; and pre-hospital code stroke activation &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#8722;11&#46;54&#59; 95&#37; CI&#44; &#8722;16&#46;75 to &#8722;6&#46;32&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46;</p><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">In the multivariate regression analysis&#44; CT angiography studies performed before administration of IV thrombolysis continued to result in significantly longer door-to-needle times after the implementation of the new protocol &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>17&#46;46&#59; 95&#37; CI&#44; 11&#46;36-21&#46;24&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#59; times were even proportionally longer than in the initial period &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>7&#46;31&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;03&#41;&#46; However&#44; CT angiography was performed before IV thrombolysis in fewer patients after the new protocol was introduced &#40;34&#37; vs 15&#46;3&#37;&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46; Pre-hospital code stroke activation continued to result in shorter management times &#40;<span class="elsevierStyleItalic">B</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#8722;11&#46;36&#59; 95&#37; CI&#44; &#8722;15&#46;52 to &#8722;5&#46;38&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46;</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Safety</span><p id="par0105" class="elsevierStylePara elsevierViewall">A total of 2&#46;3&#37; of patients treated with IV thrombolysis presented stroke mimics&#44; and 2&#46;7&#37; presented symptomatic haemorrhagic transformation &#40;vs 4&#46;2&#37; before the new treatment protocol&#59; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;63&#41;&#46;</p></span></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Discussion</span><p id="par0110" class="elsevierStylePara elsevierViewall">According to our results&#44; the implementation of a simple action protocol can significantly improve in-hospital stroke management times at a tertiary hospital&#46; Although our centre&#39;s median door-to-needle times fell within the recommended 60-minute period&#44; we consider this objective to be insufficient&#46;<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">3</span></a></p><p id="par0115" class="elsevierStylePara elsevierViewall">The 60-minute window was established in 1995&#46;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">18</span></a> The latest version of the AHA&#47;ASA guidelines has updated this recommendation&#44; advocating a door-to-needle time of &#60; 45<span class="elsevierStyleHsp" style=""></span>minutes for at least 50&#37; of patients&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> The importance of time to treatment in acute stroke has been reaffirmed in successive clinical trials and meta-analyses of IV thrombolysis and endovascular treatment&#59; this has led to an even more ambitious goal&#44; a door-to-needle time of &#60; 30<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRefs" href="#bib0175"><span class="elsevierStyleSup">11&#44;19&#44;20</span></a></p><p id="par0120" class="elsevierStylePara elsevierViewall">Some &#8220;ultra-rapid&#8221; protocols have progressively reduced stroke management times&#44; achieving a median door-to-needle time of 20<span class="elsevierStyleHsp" style=""></span>minutes&#46;<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9&#44;10</span></a> However&#44; no comparable in-hospital protocols have been developed in our setting&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">Identifying the factors involved in long door-to-needle times at our centre and describing stroke management times constitute the starting point for our project&#46;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> By gradually introducing a set of new measures&#44; door-to-needle time has decreased to 27<span class="elsevierStyleHsp" style=""></span>minutes &#40;a 48&#37; reduction in the last 4 months of the study vs the initial period&#41; due to the consolidation of treatment with rtPA in the radiology room&#46; Decreases were even more marked in cases of pre-hospital code stroke activation&#44; for which the median door-to-needle time was 22<span class="elsevierStyleHsp" style=""></span>minutes&#46; Although proportionally fewer pre-hospital code stroke activations were recorded in the second period than in the first&#44; onset-to-door times did not change significantly&#44; whereas in-hospital times did decrease overall&#46;</p><p id="par0130" class="elsevierStylePara elsevierViewall">The introduction of the new protocol has also achieved a significant decrease in onset-to-needle time &#40;26<span class="elsevierStyleHsp" style=""></span>minutes&#41;&#44; without any change in onset-to-door times&#46; This is the most remarkable finding of our study&#44; as the number needed to treat to obtain an optimal functional outcome &#40;modified Rankin Scale scores of 0 or 1&#41; is reported to increase by 1 for every 20<span class="elsevierStyleHsp" style=""></span>minutes of onset-to-needle time&#46;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">19</span></a> Furthermore&#44; the number of patients treated within 90<span class="elsevierStyleHsp" style=""></span>minutes of symptom onset increased significantly&#44; with over 80&#37; of patients treated within 3<span class="elsevierStyleHsp" style=""></span>hours&#46; This improvement in management times may increase the likelihood of good functional prognosis after treatment&#46;<a class="elsevierStyleCrossRef" href="#bib0225"><span class="elsevierStyleSup">21</span></a></p><p id="par0135" class="elsevierStylePara elsevierViewall">According to several studies&#44; performing a CT angiography study before administration of IV thrombolysis leads to in-hospital delays&#46;<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9&#44;22</span></a> In our centre&#44; door-to-needle time was significantly longer in the initial period&#46;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> Since the implementation of the new protocol&#44; neuroimaging studies are performed before IV thrombolysis only in specific cases &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#46; However&#44; the door-to-needle time remained proportionally longer in the second period&#46; This phenomenon has also been described in a hospital in Helsinki&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> It may be explained by the fact that CT angiography is only used in patients with uncertain diagnosis or more complex cases &#40;e&#46;g&#46;&#44; suspected basilar artery occlusion&#41;&#46; At present&#44; since the introduction of rtPA bolus administration in the radiology room&#44; CT angiography is performed immediately after onset of IV thrombolysis&#44; with the patient on the examination table&#46; Not only does this approach not delay rtPA treatment onset&#44; it also allows immediate identification of patients eligible for endovascular treatment&#46;<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9&#44;10&#44;19</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">Updating in-hospital protocols and decreasing door-to-needle times is also essential for timely endovascular treatment&#44; and should be considered when designing stroke management plans with the mothership or the drip and ship models&#46;<a class="elsevierStyleCrossRef" href="#bib0235"><span class="elsevierStyleSup">23</span></a></p><p id="par0145" class="elsevierStylePara elsevierViewall">According to the &#8220;3-hour effect&#44;&#8221; patients with shorter symptom progression times&#44; who consequently have more time to receive IV thrombolysis&#44; are treated with less urgency&#46; This inverse correlation between onset-to-door and door-to-needle times was identified as a factor involved in in-hospital delays and has disappeared with the new protocol&#46; To this end&#44; special emphasis was placed on promoting motivation and adherence to the protocol among on-call neurologists&#59; this measure has previously been shown to be effective in other Spanish hospitals&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">24</span></a></p><p id="par0150" class="elsevierStylePara elsevierViewall">Regarding the safety of the new protocol&#44; no significant differences were observed in the number of cases of haemorrhagic transformation between the 2 periods&#44; and the number of patients with stroke mimics receiving thrombolysis is similar to those reported in other series&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a></p><p id="par0155" class="elsevierStylePara elsevierViewall">The efficacy of each of the measures included in the new protocol has been analysed in a previous article&#46; Requesting complementary tests and reviewing the patient&#39;s clinical history before their arrival at the hospital reduced the median door-to-CT time by up to 2<span class="elsevierStyleHsp" style=""></span>minutes in patients with code stroke activation&#44; whereas not performing an additional electrocardiography study reduced it by up to 5<span class="elsevierStyleHsp" style=""></span>minutes&#46; Furthermore&#44; performing CT angiography after IV thrombolysis and not waiting for the results of the coagulation study were independent predictors of shorter CT-to-needle and door-to-needle times&#46; This suggests that performing every step of the protocol in sequential order is essential to achieving optimal results&#46;<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">16</span></a></p><p id="par0160" class="elsevierStylePara elsevierViewall">Our study has a number of limitations&#58; it was performed in a single centre&#59; the new measures could not be applied in all cases for various reasons &#40;pre-hospital code stroke was not activated&#44; adherence to the protocol was not optimal during the early phases&#44; protocol measures were not introduced simultaneously&#44; etc&#46;&#41;<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">16</span></a>&#59; and the complete protocol was applied only in the last 4 months of the study&#46; We expect in-hospital management times to continue decreasing due to training of the stroke team&#46; Although the median door-to-needle time is currently below the 30<span class="elsevierStyleHsp" style=""></span>minutes recommended in the literature&#44; the interquartile range remains large&#46; This may be explained by the fact that our study included patients for whom pre-hospital code stroke had not been activated&#44; as well as more complex cases &#40;e&#46;g&#46;&#44; posterior circulation stroke&#41; that are excluded from other series&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> New measures are currently being studied to continue reducing stroke management times&#59; these include direct transfer of the patient to the radiology room upon arrival at the hospital&#46; In 2016&#44; median door-to-needle times increased slightly as compared to the previous year&#46; During that year&#44; feedback sessions were held on a less regular basis&#46; Anecdotally&#44; our experience suggests that the motivation of the healthcare team plays a pivotal role in maintaining improvements in stroke management times&#46; Our initial objective was to reduce door-to-needle times&#59; therefore&#44; we did not analyse door-to-femoral puncture time&#46; However&#44; as the measures included in the new protocol assist in the selection of candidates for endovascular treatment&#44; door-to-femoral puncture time is also likely to have decreased&#46; Future studies should also analyse this parameter&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">In conclusion&#44; the measures implemented were found to effectively reduce in-hospital stroke management times and even total time to treatment with IV thrombolytics&#46; Motivation&#44; training&#44; and team work are key factors in the success of our protocol&#46; Updating in-hospital protocols and reducing door-to-needle times is also essential in providing timely endovascular treatment&#46; At present&#44; there remains room for improvement&#59; according to our experience&#44; door-to-needle times of less than 30<span class="elsevierStyleHsp" style=""></span>minutes should be the goal of stroke units&#46;</p></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Funding</span><p id="par0170" class="elsevierStylePara elsevierViewall">The study received funding from the <span class="elsevierStyleGrantSponsor" id="gs1">Gregorio Mara&#241;&#243;n Healthcare Research Institute</span>&#46;</p></span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Conflicts of interest</span><p id="par0175" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Recent analyses emphasise that The Benchmark Stroke Door-to-Needle Time &#40;DNT&#41; should be 30<span class="elsevierStyleHsp" style=""></span>min&#46; This study aimed to determine if a new in-hospital IVT protocol is effective in reducing door-to-needle time and correcting previously identified factors associated with delays&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Material and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">In 2014&#44; we gradually introduced a series of measures aimed to reduce door-to-needle time for patients receiving IVT&#44; and compared it before &#40;2009-2012&#41; and after &#40;2014-2017&#41; the new protocol was introduced&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The sample included 239 patients before and 222 after the introduction of the protocol&#46; Median overall door-to-needle time was 27<span class="elsevierStyleHsp" style=""></span>min after the protocol was fully implemented &#40;a 48&#37; reduction on previous door-to-needle time &#91;52<span class="elsevierStyleHsp" style=""></span>min&#93;&#44; <span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#93;&#46; Median door-to-needle time was lower when pre-hospital code stroke was activated &#40;22<span class="elsevierStyleHsp" style=""></span>min&#41;&#46; We observed a 26-min reduction in the median time from onset to treatment &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46; After the protocol was implemented&#44; the &#8220;3-hour-effect&#8221; did not affect door-to-needle time &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;98&#41;&#46; Computed tomography angiography studies performed before IVT were associated with increased door-to-needle time &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#59; however&#44; the test was performed after IVT was started in most cases&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Hospital reorganisation and multidisciplinary collaboration brought median door-to-needle time below 30<span class="elsevierStyleHsp" style=""></span>min and corrected previously identified delay factors&#46; Furthermore&#44; overall time from onset to treatment was also reduced and more stroke patients were treated within 90<span class="elsevierStyleHsp" style=""></span>min of symptom onset&#46;</p></span>"
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        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introducci&#243;n</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">El objetivo del tiempo puerta-aguja en el ictus isqu&#233;mico agudo tratado con tromb&#243;lisis intravenosa &#40;TIV&#41; tiende a situarse actualmente en los 30<span class="elsevierStyleHsp" style=""></span>min&#46; Determinamos si un nuevo protocolo de actuaci&#243;n intrahospitalario es eficaz para reducir el intervalo puerta-aguja y corregir los factores de demora previamente identificados&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Material y m&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">En 2014 se implantaron gradualmente unas medidas dise&#241;adas para acortar los tiempos de actuaci&#243;n intrahospitalarios en los pacientes tratados con TIV&#46; Se compararon los tiempos de actuaci&#243;n antes &#40;2009-2012&#41; y despu&#233;s &#40;febrero 2014-abril 2017&#41; de la introducci&#243;n del nuevo protocolo&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Se incluyeron 239 pacientes antes y 222 despu&#233;s&#46; Cuando todas las medidas fueron introducidas&#44; la mediana global de tiempo puerta-aguja fue de 27<span class="elsevierStyleHsp" style=""></span>min &#40;previa 52<span class="elsevierStyleHsp" style=""></span>min&#44; 48&#37; menos&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41; y de 22<span class="elsevierStyleHsp" style=""></span>min cuando se activ&#243; el c&#243;digo ictus extrahospitalario&#46; El tiempo global al tratamiento &#40;inicio-aguja&#41; se redujo en 26<span class="elsevierStyleHsp" style=""></span>min de mediana &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; En el per&#237;odo postintervenci&#243;n ya no se objetiv&#243; el &#171;efecto de fin de ventana&#187; &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;98&#41;&#46; Aunque la angio-TC antes de la TIV continu&#243; retrasando los tiempos de actuaci&#243;n &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; tras el nuevo protocolo&#44; esta prueba se realiz&#243; despu&#233;s del inicio del tratamiento en la mayor&#237;a de los casos&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">La reorganizaci&#243;n intrahospitalaria y la colaboraci&#243;n multidisciplinar han situado la mediana de tiempo puerta-aguja por debajo de los 30<span class="elsevierStyleHsp" style=""></span>min y han corregido los factores de demora identificados previamente&#46; Adem&#225;s&#44; se ha reducido el tiempo global al tratamiento y una mayor proporci&#243;n de pacientes son tratados en los primeros 90<span class="elsevierStyleHsp" style=""></span>min desde el inicio de los s&#237;ntomas&#46;</p></span>"
        "secciones" => array:4 [
          0 => array:2 [
            "identificador" => "abst0025"
            "titulo" => "Introducci&#243;n"
          ]
          1 => array:2 [
            "identificador" => "abst0030"
            "titulo" => "Material y m&#233;todos"
          ]
          2 => array:2 [
            "identificador" => "abst0035"
            "titulo" => "Resultados"
          ]
          3 => array:2 [
            "identificador" => "abst0040"
            "titulo" => "Conclusiones"
          ]
        ]
      ]
    ]
    "NotaPie" => array:1 [
      0 => array:2 [
        "etiqueta" => "&#9734;"
        "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as&#58; Iglesias Mohedano AM&#44; Garc&#237;a Pastor A&#44; D&#237;az Otero F&#44; V&#225;zquez Alen P&#44; Mart&#237;n G&#243;mez MA&#44; Sim&#243;n Campo P&#44; et al&#46; Un nuevo protocolo intrahospitalario reduce el tiempo puerta-aguja en el ictus agudo tratado con trombolisis intravenosa a menos de 30 minutos&#46; Neurolog&#237;a&#46; 2021&#59;36&#58;487&#8211;494&#46;</p>"
      ]
    ]
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      0 => array:7 [
        "identificador" => "fig0005"
        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
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          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Progression of door-to-needle times before &#40;2009-2012&#41; and after &#40;2014-2017&#41; the implementation of the new protocol&#46; Over the last months of the study&#44; with the new protocol fully implemented&#44; door-to-needle time is &#60; 30<span class="elsevierStyleHsp" style=""></span>minutes &#40;median in the last 4 months&#58; 27<span class="elsevierStyleHsp" style=""></span>minutes&#41;&#46; In 2013&#44; we analysed management times from the initial period and designed the new protocol&#46;</p>"
        ]
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      1 => array:7 [
        "identificador" => "fig0010"
        "etiqueta" => "Figure 2"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr2.jpeg"
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          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">In the last 3 months of the study period &#40;when all protocol measures had come into force&#44; including administration of rtPA in the radiology room and extension of the schedule for administration &#91;8&#58;00-22&#58;00&#93;&#41;&#44; door-to-needle time was &#60; 30<span class="elsevierStyleHsp" style=""></span>minutes&#46; Door-to-needle time decreased as the number of patients starting rtPA treatment in the radiology room increased&#46;</p>"
        ]
      ]
      2 => array:7 [
        "identificador" => "fig0015"
        "etiqueta" => "Figure 3"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr3.jpeg"
            "Alto" => 867
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            "Tamanyo" => 82172
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        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Percentage of patients in each onset-to-needle time interval before and after implementation of the new protocol&#58; 0-60<span class="elsevierStyleHsp" style=""></span>min &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;66&#41;&#44; 61-90<span class="elsevierStyleHsp" style=""></span>min &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; 91-120<span class="elsevierStyleHsp" style=""></span>min &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;05&#41;&#44; 121-150 &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;06&#41;&#44; 150-180 &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#44; and 181-270<span class="elsevierStyleHsp" style=""></span>min &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;027&#41;&#46; Treatment was administered within 90<span class="elsevierStyleHsp" style=""></span>minutes of symptom onset in 5&#46;8&#37; of patients in the first period and 23&#46;9&#37; of patients in the second period &#40;<span class="elsevierStyleItalic">P</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>&#46;001&#41;&#46;</p>"
        ]
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      3 => array:7 [
        "identificador" => "fig0020"
        "etiqueta" => "Figure 4"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
            "imagen" => "gr4.jpeg"
            "Alto" => 2490
            "Ancho" => 1626
            "Tamanyo" => 191169
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        "descripcion" => array:1 [
          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Correlation between onset-to-door and door-to-needle times before &#40;A&#41; and after implementation of the new protocol &#40;B&#41;&#46; The inverse correlation between onset-to-door and door-to-needle times is known as the &#8220;3-hour effect&#8221;&#58; patients with shorter symptom progression times&#44; and thus more time to receive IV thrombolysis&#44; are treated with less urgency&#46; This effect disappeared with the implementation of the new protocol&#46;</p>"
        ]
      ]
      4 => array:8 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "detalles" => array:1 [
          0 => array:3 [
            "identificador" => "at1"
            "detalle" => "Table "
            "rol" => "short"
          ]
        ]
        "tabla" => array:1 [
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Old protocol2009-2012&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">New protocol2014-2017&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pre-hospital code stroke activation &#40;before patient arrival at the hospital&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Contact made with triage and emergency department nursing staff and vascular neurologists&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Patient personal data requested from emergency servicesAnalysis of patient historyComplementary tests requested before patient arrival &#40;blood analysis and head CT scan&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Assessment in advanced life support unit &#40;upon arrival at the emergency department&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Emergency department nurses&#58; vital signs&#44; electrocardiography&#44; blood analysisOn-call neurologist&#58; clinical history&#44; NIHSS&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Electrocardiography is avoided &#40;only performed in patients with suspected cardiovascular alterations or when not performed by emergency services&#41;CoaguChek &#40;if patient taking vitamin K antagonists&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Neuroimaging&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Simple CT scanInterpretation by on-call neurologist if radiologist is not immediately availableCT angiography performed before IV thrombolysis if considered appropriate by the on-call neurologist&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Informed consent sought &#40;to avoid delays&#41;Administration of rtPA bolus in the radiology room after the simple CT scan &#40;8&#58;00-22&#58;00&#44; 7 days&#47;week&#41;CT angiography after onset of IV thrombolysis &#40;except if diagnosis is uncertain or basilar artery occlusion suspected&#41;Transfer to interventional radiology department if the patient has signs of large-vessel occlusion and is eligible for surgery&#44; or to a centre with on-call inverventional radiology department&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Admission to stroke unit&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Blood analysis and coagulation test results awaitedInformed consent soughtIV thrombolysisTranscranial duplex ultrasoundMechanical thrombectomy considered in cases of large-vessel occlusion or ineffectiveness of IV thrombolysisConfirmation via CT angiography if necessary&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Interpretation of blood analysis resultsElectrocardiographyNeurosonology&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab2693787.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">In-hospital management of patients with acute ischaemic stroke before &#40;2009-2012&#41; and after &#40;2014-2017&#41; the implementation of the new protocol&#46;</p>"
        ]
      ]
      5 => array:8 [
        "identificador" => "tbl0010"
        "etiqueta" => "Table 2"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "detalles" => array:1 [
          0 => array:3 [
            "identificador" => "at2"
            "detalle" => "Table "
            "rol" => "short"
          ]
        ]
        "tabla" => array:1 [
          "tablatextoimagen" => array:1 [
            0 => array:2 [
              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col"><span class="elsevierStyleItalic">n</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Old protocol&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">New protocol&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col"><span class="elsevierStyleItalic">P</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">239&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">222&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Study period&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2009-2012&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">February 2014-April 2017&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Mean age &#40;SD&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">69&#46;24 &#40;12&#46;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">70&#46;5 &#40;14&#46;9&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;32&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Sex &#40;male&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">135 &#40;56&#46;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">124 &#40;56&#46;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;50&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Baseline NIHSS &#40;median&#44; <span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">1</span>-<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">3</span>&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14 &#40;9&#8211;18&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">11 &#40;7&#8211;18&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;05&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Arterial hypertension&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">143 &#40;59&#46;8&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">132 &#40;59&#46;5&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;50&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Dyslipidaemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">90 &#40;37&#46;7&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">82 &#40;37&#46;1&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;49&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Diabetes mellitus&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">60 &#40;25&#46;1&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">51 &#40;23&#46;1&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;34&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Smokers&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">43 &#40;18&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">30 &#40;13&#46;6&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">History of stroke&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27 &#40;11&#46;3&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31 &#40;14&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;22&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Location&#58; posterior circulation stroke&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16 &#40;6&#46;7&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10 &#40;4&#46;5&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;42&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Code stroke activation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">211 &#40;88&#46;3&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">175 &#40;78&#46;8&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;008&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab2693786.png"
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        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">Demographic and clinical characteristics of the patients treated with IV thrombolysis before and after implementation of the new protocol&#46;</p>"
        ]
      ]
      6 => array:8 [
        "identificador" => "tbl0015"
        "etiqueta" => "Table 3"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
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        "detalles" => array:1 [
          0 => array:3 [
            "identificador" => "at3"
            "detalle" => "Table "
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        "tabla" => array:1 [
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              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Old protocol&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">New protocol&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">P</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Onset-to-door time&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">84 &#40;60-120&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">82&#46;5 &#40;57&#46;7-116&#46;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Door-to-CT time&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17 &#40;13-24&#46;75&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">15 &#40;11&#46;7-20&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">CT-to-needle time&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">34 &#40;26-47&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18 &#40;13-25&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Door-to-needle time&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">52 &#40;43-70&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">34 &#40;28-45&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Onset-to-needle time&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">145 &#40;120-180&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">119 &#40;93-155&#46;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#60;&#46;001&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab2693785.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">In-hospital stroke management times &#40;median&#44; <span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">1</span>-<span class="elsevierStyleItalic">Q</span><span class="elsevierStyleInf">3</span>&#41; before &#40;2009-2012&#41; and after the implementation of the new protocol &#40;February 2014-April 2017&#41;&#46;</p>"
        ]
      ]
    ]
    "bibliografia" => array:2 [
      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bibs0015"
          "bibliografiaReferencia" => array:24 [
            0 => array:3 [
              "identificador" => "bib0125"
              "etiqueta" => "1"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Effect of treatment delay&#44; age&#44; and stroke severity on the effects of intravenous thrombolysis with alteplase for acute ischaemic stroke&#58; a meta-analysis of individual patient data from randomised trials"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "J&#46; Emberson"
                            1 => "K&#46;R&#46; Lees"
                            2 => "P&#46; Lyden"
                            3 => "L&#46; Blackwell"
                            4 => "G&#46; Albers"
                            5 => "E&#46; Bluhmki"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/S0140-6736(14)60584-5"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "2014"
                        "volumen" => "384"
                        "paginaInicial" => "1929"
                        "paginaFinal" => "1935"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/25106063"
                            "web" => "Medline"
                          ]
                        ]
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        "texto" => "<p id="par0180" class="elsevierStylePara elsevierViewall">We would like to thank the neurology residents at Hospital General Universitario Gregorio Mara&#241;&#243;n for their enthusiasm and dedication to this project&#46;</p><p id="par0185" class="elsevierStylePara elsevierViewall">We also wish to thank all healthcare professionals at Hospital General Universitario Gregorio Mara&#241;&#243;n&#44; who&#44; under the motto &#8220;time is brain&#44;&#8221; have helped in the implementation and daily running of the new protocol&#46;</p>"
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Article information

ISSN: 21735808
Original language: English

DOI:10.1016/j.nrleng.2018.03.009

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Year/Month	Html	Pdf	Total

2024 November	15	6	21
2024 October	57	8	65
2024 September	100	13	113
2024 August	57	14	71
2024 July	70	7	77
2024 June	57	10	67
2024 May	32	7	39
2024 April	91	9	100
2024 March	97	23	120
2024 February	66	7	73
2024 January	79	25	104
2023 December	111	15	126
2023 November	81	9	90
2023 October	142	13	155
2023 September	67	12	79
2023 August	70	14	84
2023 July	106	12	118
2023 June	93	5	98
2023 May	162	20	182
2023 April	115	22	137
2023 March	92	15	107
2023 February	48	5	53
2023 January	60	12	72
2022 December	34	14	48
2022 November	56	13	69
2022 October	67	16	83
2022 September	35	15	50
2022 August	48	13	61
2022 July	25	5	30
2022 June	27	8	35
2022 May	29	15	44
2022 April	22	6	28
2022 March	33	6	39
2022 February	33	6	39
2022 January	40	9	49
2021 December	50	12	62
2021 November	36	5	41
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2021 September	23	14	37
2021 August	14	6	20
2021 July	15	8	23
2021 June	16	9	25
2021 May	26	9	35
2021 April	30	39	69
2021 March	23	12	35
2021 February	22	12	34
2021 January	14	10	24
2020 December	16	6	22
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2020 October	10	5	15
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