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Original Article
Use of Gastrografin® in the Management of Adhesion Intestinal Obstruction
El uso de Gastrografin® en el manejo del cuadro de oclusión intestinal adherencial
Laura Mora López
Corresponding author
Lmora@tauli.cat

Corresponding author.
, Xavier Serra-Aracil, Heura Llaquet Bayo, Salvador Navarro Soto
Servicio de Cirugía General y del Aparato Digestivo, Corporació Sanitària i Universitària Parc Taulí, Sabadell, Barcelona, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Intestinal obstruction is a frequently seen entity in the Emergency Department that represents 25&#37; of abdominal pain consultations&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> The most frequent causes of intestinal obstruction are postoperative adhesions followed by neoplasms and hernias&#46;<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> The estimated rate of adhesions is around 94&#37;&#8211;95&#37; after laparotomy&#46; It has recently been demonstrated that this rate is much lower in laparoscopic procedures&#44; although the exact percentage is not known&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> Before the 1990s&#44; the mortality rate associated with intestinal obstruction was 30&#37;&#8211;50&#37;&#44; depending on the series&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Nowadays&#44; the correct diagnosis of symptoms and adequate treatment can lower the mortality rate to 3&#37;&#8211;5&#37;&#46;<a class="elsevierStyleCrossRefs" href="#bib0020"><span class="elsevierStyleSup">4&#8211;6</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">During the management of intestinal obstruction&#44; the patient should initially be made to fast and intravenous therapy should be administered&#44; in addition to intestinal decompression with a nasogastric tube&#46; Most of the symptoms will respond to conservative treatment&#46; The indication for surgery is clear when there are data to suspect ischemia or intestinal suffering&#58; fever&#44; tachycardia&#44; abdominal pain&#44; peritonitis and acidosis&#46; The problem lies in knowing how much time should pass before we decide whether the patient is responding to conservative treatment and&#44; therefore&#44; when surgery should be indicated&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">There have been several attempts at trying to improve the management of this entity&#58; one of the most well-known has been the administration of water-soluble contrast&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> The use of these contrasts gives a more precise diagnosis of the partial or complete obstruction<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> according to whether the contrast passes into the colon and&#44; therefore&#44; facilitates the decision for surgery in those obstructions that do not improve with medical treatment&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a> The therapeutic effect of these water-soluble contrasts is not clear&#44; although some studies say they can demonstrate it when the contrasts are administered more than 24<span class="elsevierStyleHsp" style=""></span>h after the conservative treatment&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> Based on these studies&#44; our department has used an algorithm for cases of adhesive intestinal obstruction &#40;AIO&#41; in order to demonstrate that it provides safe management of the symptoms&#44; is able to improve surgical indication time and also improves hospitalization times&#44; without increasing adverse effects&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Material and Methods</span><p id="par0020" class="elsevierStylePara elsevierViewall">This descriptive&#44; prospective and observational study was carried out from January 2009 to December 2011&#46; Following the protocol described in <a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a> at our hospital&#44; when a patient presents with clinical symptoms compatible with intestinal obstruction &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41; and has a history of surgery&#44; the first suspected diagnosis is AIO&#46; All patients undergo detailed abdominal examination in order to rule out the presence of other causes for the obstruction&#46; Afterwards&#44; an abdominal radiograph is ordered along with analyses including blood work-up&#44; biochemistry and acid-base balance&#46; If the patient fulfills the inclusion criteria &#40;symptoms and radiology compatible with obstruction and history of abdominal surgery with an interval of more than one month&#41;&#44; he&#47;she is included in the AIO protocol&#46; If&#44; contrarily&#44; the patient presents exclusion criteria &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#44; he&#47;she is not included in the protocol and management is determined by the characteristics of each case&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">In cases of AIO&#44; the water-soluble contrast Gastrografin<span class="elsevierStyleSup">&#174;</span> was administered in our center&#46; Prior to the administration of Gastrografin<span class="elsevierStyleSup">&#174;</span>&#44; gastric decompression was performed with the placement of a nasogastric tube for approximately 2<span class="elsevierStyleHsp" style=""></span>h in order to reduce the risk of vomiting and aspiration after the administration of the contrast&#46; At the follow-up controls &#40;at 8&#44; 12&#44; 24<span class="elsevierStyleHsp" style=""></span>h&#41;&#44; oral intake was initiated when the patient presented passage of the contrast material to the colon &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#44; regardless of the time of the control&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">The variables that were collected and analyzed were&#58; age&#44; sex&#44; types and number of previous surgical interventions&#44; need for surgery&#44; need for intestinal resection during the episode and hospital stay&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">For the statistical analysis&#44; we used the SPSS 17&#46;0 program&#46; The quantitative variables are reported by means and standard deviation or median and range when the distribution was not normal&#46; The categorical variables are described in absolute numbers and percentages&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Results</span><p id="par0040" class="elsevierStylePara elsevierViewall">During the study period&#44; 211 episodes of AIO were diagnosed in our hospital in 164 patients&#58; 61 &#9792; and 103 &#9794;&#44; with a mean age of 70 &#40;range 24&#8211;93&#41;&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">As recorded in the medical files of the 164 patients&#44; 105 &#40;64&#46;6&#37;&#41; had undergone lower abdominal surgery&#44; 25 &#40;40&#37;&#41; had a single previous surgery and only 4 patients out of the 164 &#40;2&#46;4&#37;&#41; had had prior laparoscopic surgery &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0050" class="elsevierStylePara elsevierViewall">The time between the surgery and the episode of intestinal obstruction was very variable&#44; ranging from 1 month to 10 years with a mean of 55 months&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Mean hospital stay was 5&#46;5 days&#44; and 48<span class="elsevierStyleHsp" style=""></span>h in those patients in whom the contrast passed into the colon&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Contrast material was administered in 170 of the cases diagnosed&#46; In the 41 episodes when contrast was not used&#44; the causes were&#58; rapid resolution of the symptoms in 29 episodes &#40;72&#37;&#41;&#44; deterioration of the patient with signs of intestinal ischemia in 5 episodes &#40;12&#37;&#41;&#44; transfer of the patient or voluntary hospital discharge in 6 cases &#40;14&#37;&#41; and contrast allergy in one patient &#40;2&#37;&#41;&#46; No adverse effects were observed related to the administration of the contrast&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">In the 170 episodes in which contrast was administered&#44; it passed to the colon in 142 &#40;83&#37;&#41;&#46; The contrast was observed in the colon after 8<span class="elsevierStyleHsp" style=""></span>h in 104 episodes out of the 142 &#40;73&#37;&#41;&#44; after 12<span class="elsevierStyleHsp" style=""></span>h in 11 episodes &#40;8&#37;&#41; and after 24<span class="elsevierStyleHsp" style=""></span>h in 27 episodes &#40;19&#37;&#41;&#46; In 28 episodes out of the 170 &#40;17&#37;&#41;&#44; the contrast had not passed into the colon after 24<span class="elsevierStyleHsp" style=""></span>h and the patients presented no improvement in their symptoms&#44; requiring surgery &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0070" class="elsevierStylePara elsevierViewall"><a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a> reports the recurrence of the obstructive symptoms in our group&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">Thirty-three patients required surgery&#58; 28 cases due to failure of the conservative treatment and 5 cases in which&#44; upon hospitalization or during their stay in the ER&#44; the patients presented clinical or analytical signs of intestinal ischemia&#46; Surgical findings included the presence of a solitary adhesion&#47;band in 16 episodes out of 33 &#40;48&#37;&#41; and multiple adhesions in 17 episodes &#40;52&#37;&#41;&#46; Intestinal resection was only needed in 5 patients out of the 33 &#40;3&#37;&#41;&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Discussion</span><p id="par0080" class="elsevierStylePara elsevierViewall">We know that AIO is a frequent pathology seen in the Emergency Department&#46; It presents an important mortality rate that can be reduced to 3&#37;&#8211;5&#37; with proper management of symptoms&#46;<a class="elsevierStyleCrossRefs" href="#bib0020"><span class="elsevierStyleSup">4&#8211;6</span></a> It initially requires a conservative management with fluid therapy&#44; fasting and decompression&#46; More than 70&#37; of cases will have a good response to this initial conservative management&#46;<a class="elsevierStyleCrossRefs" href="#bib0050"><span class="elsevierStyleSup">10&#8211;12</span></a></p><p id="par0085" class="elsevierStylePara elsevierViewall">When we observe the results obtained with the application of the protocol&#44; we can confirm that our results corroborate the results of studies that administer water-soluble contrast medium after the diagnosis of AIO&#46; The most important studies on the application of water-soluble media in intestinal obstruction due to bands and adhesions were initiated in the 1990s&#44; and studies still continue today&#46;<a class="elsevierStyleCrossRef" href="#bib0065"><span class="elsevierStyleSup">13</span></a> They all try to demonstrate the diagnostic utility of contrasts and also their therapeutic utility&#46; As for the diagnostic utility of these contrast materials&#44; the studies all concur that they are able to determine the type of obstruction &#40;either partial or complete&#41; with a high sensitivity&#44; specificity and positive and negative predictive value &#40;87&#46;5&#44; 100&#44; 100 and 97&#46;9&#37;&#44; respectively&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0070"><span class="elsevierStyleSup">14</span></a> This high diagnostic precision enables physicians to improve the management of AIO from its initial diagnosis&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">In these studies&#44; there are differences with regard to radiological control times after the administration of the contrast&#46; Some studies indicate surgery in the first radiological control after 4<span class="elsevierStyleHsp" style=""></span>h&#46;<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> This seems an aggressive measure&#44; however&#44; especially when studies with a longer waiting period&#44;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">16&#8211;19</span></a> like our study&#44; have observed that most patients &#40;104 patients out of 142 &#91;73&#37;&#93;&#41; who present partial obstruction respond within the first 8<span class="elsevierStyleHsp" style=""></span>h&#46; But there is a percentage&#44; 28 episodes out of 142 &#40;17&#37;&#41;&#44; that may respond within the first 24<span class="elsevierStyleHsp" style=""></span>h and&#44; therefore&#44; surgery may be avoided in these cases&#46; It is not recommended to lengthen the control times for longer than 24<span class="elsevierStyleHsp" style=""></span>h because this has not been shown to improve the results and may increase patient morbidity and mortality&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">16</span></a></p><p id="par0095" class="elsevierStylePara elsevierViewall">The diagnostic effect is able to streamline the treatment of partial obstructions&#44; which shortens the hospital stays of patients&#44; as observed in our case and in reports by other groups&#46;<a class="elsevierStyleCrossRefs" href="#bib0100"><span class="elsevierStyleSup">20&#44;21</span></a> Furthermore&#44; the adverse effects related with hospital stay are also minimized&#46; With regard to complete obstruction&#44; the use of these contrasts is able to shorten the time between the hospitalization of the patient until the indication of surgery&#46;<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">22</span></a> Until now&#44; contrast material has not been shown to have a therapeutic effect &#40;meaning that they reduce the number of episodes requiring surgery&#41;&#44; although in some studies it seems to do so&#46;<a class="elsevierStyleCrossRefs" href="#bib0045"><span class="elsevierStyleSup">9&#44;23</span></a> What we can affirm is that&#44; although the reduction in the number of surgeries in this pathology is not clear&#44; we do see a reduction in the number of patients requiring intestinal resection&#46; Only 5 out of the 33 surgical patients &#40;3&#37;&#41; required intestinal resection&#46; This may be related to the rapid indication of surgery when conservative treatment fails&#46; In our study&#44; the patients who required surgery presented solitary as well as multiple bands with similar percentages&#46;</p><p id="par0100" class="elsevierStylePara elsevierViewall">Until now&#44; we have not seen any adverse effects related with the administration of contrast material in our patients&#46; Allergic reactions and aspiration pneumonitis have been reported<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> related with the use of orally administered water-soluble contrast media&#46; Of all the studies reviewed&#44; there was only one report of an allergic reaction&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">25</span></a> We can therefore confirm that the administration of water-soluble contrast material in the management of AIO is safe&#46;<a class="elsevierStyleCrossRef" href="#bib0130"><span class="elsevierStyleSup">26</span></a></p><p id="par0105" class="elsevierStylePara elsevierViewall">In conclusion&#44; the protocol that we apply in our hospital is a safe protocol that provides proper management of AIO&#46; In cases of partial obstruction&#44; it reduces hospital stays and&#44; in cases of total obstruction&#44; it shortens the time before the indication of surgery&#46; This leads to a lower percentage of intestinal resection in cases requiring surgery&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Conflict of Interest</span><p id="par0110" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest&#46;</p></span></span>"
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    "fechaRecibido" => "2012-08-18"
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          "palabras" => array:3 [
            0 => "Intestinal obstruction"
            1 => "Adhesions"
            2 => "Gastrografin<span class="elsevierStyleSup">&#174;</span>"
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          "clase" => "keyword"
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          "palabras" => array:3 [
            0 => "Oclusi&#243;n intestinal"
            1 => "Adherencias"
            2 => "Gastrografin<span class="elsevierStyleSup">&#174;</span>"
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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Background</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Adhesions are the most important cause of intestinal obstruction&#46; Approximately 25&#37; of surgical admissions for acute abdominal conditions are due to intestinal obstruction&#46; Better diagnostic and treatment methods of intestinal obstruction could potentially reduce mortality rate to 5&#37;&#8211;10&#37;&#46; Gastrografin<span class="elsevierStyleSup">&#174;</span> could contribute to this achieve this&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Aim</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">To present a protocol to treat adhesion intestinal obstruction with Gastrografin<span class="elsevierStyleSup">&#174;</span> that is safe&#44; and allows shorter hospital stays and shorter time between admission and surgery&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Material and methods</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">All patients with adhesion intestinal obstruction without symptoms of strangulation were treated with Gastrografin<span class="elsevierStyleSup">&#174;</span>&#44; intravenous fluids and nasogastric tube&#46; Those in whom contrast reach the colon in 8&#44; 12 or 24<span class="elsevierStyleHsp" style=""></span>h were considered to have partial obstruction&#44; and were fed orally&#46; If Gastrografin<span class="elsevierStyleSup">&#174;</span> failed in the following 24<span class="elsevierStyleHsp" style=""></span>h&#44; a laparotomy was performed&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Results</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Out of a total of 211 episodes &#40;164 patients&#41;&#44; 170 episodes received contrast and in 142 cases Gastrografin<span class="elsevierStyleSup">&#174;</span> reached the colon &#40;104 episodes at 8<span class="elsevierStyleHsp" style=""></span>h&#44; 11 at 12<span class="elsevierStyleHsp" style=""></span>h&#44; and 27 at 24<span class="elsevierStyleHsp" style=""></span>h&#41;&#46; A laparotomy was required in 28 patients because of failed treatment&#44; and in another 5 for other causes&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0030">Conclusions</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A management protocol for adhesion intestinal obstruction with Gastrografin<span class="elsevierStyleSup">&#174;</span> is safe&#44; reduces morbidity and mortality&#44; and leads to a shorter hospital stay&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0040">Introducci&#243;n</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Las adherencias son la causa m&#225;s importante de oclusi&#243;n intestinal&#44; suponen un 25&#37; de las consultas por dolor abdominal&#46; Con un correcto manejo de este cuadro&#44; la mortalidad asociada puede ser menor de un 5&#8211;10&#37;&#46; El Gastrografin<span class="elsevierStyleSup">&#174;</span> puede ayudar a ello&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Objetivo</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La aplicaci&#243;n de un protocolo de manejo de la oclusi&#243;n intestinal adherencial con Gastrografin<span class="elsevierStyleSup">&#174;</span> es segura y permite disminuir la estancia hospitalaria y el tiempo de indicaci&#243;n de cirug&#237;a por fallo del tratamiento conservador&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">Material y m&#233;todo</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Estudio prospectivo observacional&#44; siguiendo un protocolo preestablecido&#46; Una vez diagnosticado el cuadro&#44; descartadas otras causas de oclusi&#243;n y la presencia de sufrimiento intestinal&#44; se administra Gastrografin<span class="elsevierStyleSup">&#174;</span> y se inicia tratamiento conservador&#46; Si el Gastrografin<span class="elsevierStyleSup">&#174;</span> pasa al colon en el control de las 8&#44; 12 o 24<span class="elsevierStyleHsp" style=""></span>h posteriores a su administraci&#243;n&#44; se considera la oclusi&#243;n como parcial&#44; se inicia dieta oral y se eval&#250;a el alta&#46; Si no pasa el contraste a las 24 h&#44; se indica cirug&#237;a&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0055">Resultados</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Desde enero de 2009 hasta diciembre de 2011&#44; se trataron 211 episodios &#40;164 pacientes&#41;&#46; En 170 episodios se administr&#243; contraste con llegada del mismo al colon en 142 episodios &#40;104 episodios a las 8<span class="elsevierStyleHsp" style=""></span>h&#44; 11 a las 12<span class="elsevierStyleHsp" style=""></span>h y 27 a las 24<span class="elsevierStyleHsp" style=""></span>h&#41; Se intervien a 28 pacientes por fallo del tratamiento conservador y a 5 por otras causas&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0060">Conclusiones</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">La aplicaci&#243;n de un protocolo en el que se incluye el uso de Gastrografin<span class="elsevierStyleSup">&#174;</span> en la oclusi&#243;n intestinal adherencial es seguro y permite tomar decisiones terap&#233;uticas con mayor celeridad y con una menor estancia hospitalaria&#46;</p>"
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        "nota" => "<p class="elsevierStyleNotepara" id="npar0010">Please cite this article as&#58; Mora L&#243;pez L&#44; Serra-Aracil X&#44; Llaquet Bayo H&#44; Navarro Soto S&#46; El uso de Gastrografin<span class="elsevierStyleSup">&#174;</span> en el manejo del cuadro de oclusi&#243;n intestinal adherencial&#46; Cir Esp&#46; 2013&#59;91&#58;384&#8211;388&#46;</p>"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">1&#46; Age&#60;18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">2&#46; Gestation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">3&#46; Iodine allergy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">4&#46; Previous radiotherapy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">5&#46; Digestive vascular disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">6&#46; Early post-operative obstruction&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">7&#46; Incarcerated ventral hernia&nbsp;\t\t\t\t\t\t\n
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Total</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t">211 episodes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Sex</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t">61 &#9792;&#47;103 &#9794;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleItalic">Mean age</span>&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 &#40;24&#8211;93&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Surgical history</span></td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span>Lower abdomen&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">105 episodes &#40;64&#46;4&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span>Single surgery&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">25 episodes &#40;40&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span>Laparoscopic surgery&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">4 episodes &#40;2&#46;4&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><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"><span class="elsevierStyleItalic">Time since surgery &#8211; AIO</span>&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">1 month&#8211;10 years&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Mean hospital stay</span></td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span>Global&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">5&#46;5 days&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span>Passage of contrast&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">48<span class="elsevierStyleHsp" style=""></span>h&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab432766.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0075" class="elsevierStyleSimplePara elsevierViewall">Patient Characteristics&#46;</p>"
        ]
      ]
      5 => array:7 [
        "identificador" => "tbl0015"
        "etiqueta" => "Table 3"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "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=""><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Administration of contrast &#40;170 episodes&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Contrast in colon &#40;142 episodes&#44; 83&#37;&#41;</span></td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>8<span class="elsevierStyleHsp" style=""></span>h control&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">104 episodes &#40;73&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>12<span class="elsevierStyleHsp" style=""></span>h control&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 episodes &#40;8&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>24<span class="elsevierStyleHsp" style=""></span>h control&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 episodes &#40;19&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">No contrast in colon after 24 h &#40;28 episodes&#44; 17&#37;&#41;</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">No administration of contrast &#40;41 episodes&#41;</span></td></tr><tr title="table-row"><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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Rapid resolution AIO&#58; 29 episodes &#40;72&#37;&#41;</span>&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" 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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Signs of intestinal ischemia&#58; 5 episodes &#40;12&#37;&#41;</span>&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" 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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Transfer or voluntary discharge&#58; 6 episodes &#40;14&#37;&#41;</span>&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" 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"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Allergy to iodinated contrast&#58; 1 episode &#40;2&#37;&#41;</span>&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></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab432765.png"
              ]
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0080" class="elsevierStyleSimplePara elsevierViewall">Results of Application of the AIO Protocol&#46;</p>"
        ]
      ]
      6 => array:7 [
        "identificador" => "tbl0020"
        "etiqueta" => "Table 4"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:3 [
          "leyenda" => "<p id="spar0090" class="elsevierStyleSimplePara elsevierViewall">All patients were treated according to the AIO protocol&#46;</p>"
          "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"><td 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" style="border-bottom: 2px solid black">No&#46; of Episodes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Patients&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Surgery&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><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">1&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">135&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">31 &#40;22&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">2&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&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">2 &#40;12&#37;&#41;<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">3&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">3&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">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">4&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">5&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">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><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">5&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">1&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">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
              ]
              "imagenFichero" => array:1 [
                0 => "xTab432764.png"
              ]
            ]
          ]
          "notaPie" => array:1 [
            0 => array:3 [
              "identificador" => "tblfn0005"
              "etiqueta" => "a"
              "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Both after the second episode&#46;</p>"
            ]
          ]
        ]
        "descripcion" => array:1 [
          "en" => "<p id="spar0085" class="elsevierStyleSimplePara elsevierViewall">Recurrences&#46;</p>"
        ]
      ]
    ]
    "bibliografia" => array:2 [
      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bibs0005"
          "bibliografiaReferencia" => array:26 [
            0 => array:3 [
              "identificador" => "bib0005"
              "etiqueta" => "1"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Management of patients diagnosed as acute intestinal obstructions secondary to adhesions"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "J&#46; Sosa"
                            1 => "B&#46; Gardner"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Am Surg"
                        "fecha" => "1993"
                        "volumen" => "63"
                        "paginaInicial" => "367"
                        "paginaFinal" => "371"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9124762"
                            "web" => "Medline"
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ISSN: 21735077
Original language: English
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