was read the article
array:22 [ "pii" => "S1888441524000833" "issn" => "18884415" "doi" => "10.1016/j.recot.2024.05.001" "estado" => "S200" "fechaPublicacion" => "2024-06-06" "aid" => "1398" "copyright" => "SECOT" "copyrightAnyo" => "2024" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "itemSiguiente" => array:17 [ "pii" => "S1888441524000845" "issn" => "18884415" "doi" => "10.1016/j.recot.2024.05.002" "estado" => "S200" "fechaPublicacion" => "2024-06-09" "aid" => "1399" "copyright" => "SECOT" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "es" => array:13 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Original</span>" "titulo" => "Colgajo fasciocutáneo tipo lengüeta medial como alternativa para el manejo de defectos de tejidos blandos en la pierna" "tienePdf" => "es" "tieneTextoCompleto" => "es" "tieneResumen" => array:3 [ 0 => "es" 1 => "es" 2 => "en" ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Medial tab-type fasciocutaneous flap as an alternative for the management of soft tissue defects of the leg" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contieneTextoCompleto" => array:1 [ "es" => true ] "contienePdf" => array:1 [ "es" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0020" "etiqueta" => "Figura 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 1613 "Ancho" => 700 "Tamanyo" => 98375 ] ] "descripcion" => array:1 [ "es" => "<p id="spar0085" class="elsevierStyleSimplePara elsevierViewall">Marcación de incisiones (anterior y posterior) del colgajo de lengüeta medial.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "X. Ríos Garrido, A. De la Rosa, L. Arzuza Ortega, G. Vargas Lievano, J. Molina Gándara, D.A. Tellez Gamarra, C. Medina Monje" "autores" => array:7 [ 0 => array:2 [ "nombre" => "X." "apellidos" => "Ríos Garrido" ] 1 => array:2 [ "nombre" => "A." "apellidos" => "De la Rosa" ] 2 => array:2 [ "nombre" => "L." "apellidos" => "Arzuza Ortega" ] 3 => array:2 [ "nombre" => "G." "apellidos" => "Vargas Lievano" ] 4 => array:2 [ "nombre" => "J." "apellidos" => "Molina Gándara" ] 5 => array:2 [ "nombre" => "D.A." "apellidos" => "Tellez Gamarra" ] 6 => array:2 [ "nombre" => "C." "apellidos" => "Medina Monje" ] ] ] ] "resumen" => array:1 [ 0 => array:3 [ "titulo" => "Highlights" "clase" => "author-highlights" "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall"><ul class="elsevierStyleList" id="lis0005"><li class="elsevierStyleListItem" id="lsti0005"><span class="elsevierStyleLabel">•</span><p id="par0005" class="elsevierStylePara elsevierViewall">La elección de la técnica adecuada para la reconstrucción del defecto de tejidos blandos es un desafío terapéutico.</p></li><li class="elsevierStyleListItem" id="lsti0010"><span class="elsevierStyleLabel">•</span><p id="par0010" class="elsevierStylePara elsevierViewall">El colgajo de lengüeta medial es una opción comparable a los colgajos convencionales para los defectos de tejidos blandos de la cara anterior de la pierna.</p></li><li class="elsevierStyleListItem" id="lsti0015"><span class="elsevierStyleLabel">•</span><p id="par0015" class="elsevierStylePara elsevierViewall">La principal ventaja de este colgajo es que no requiere una formación específica en técnicas microquirúrgicas para su realización.</p></li></ul></p></span>" ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1888441524000845?idApp=UINPBA00004N" "url" => "/18884415/unassign/S1888441524000845/v1_202406091035/es/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S1888441517301480" "issn" => "18884415" "doi" => "10.1016/j.recot.2017.09.006" "estado" => "S200" "fechaPublicacion" => "2017-11-15" "aid" => "699" "copyright" => "SECOT" "documento" => "simple-article" "crossmark" => 0 "subdocumento" => "ret" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 119 "formatos" => array:3 [ "EPUB" => 10 "HTML" => 32 "PDF" => 77 ] ] "es" => array:8 [ "idiomaDefecto" => true "titulo" => "WITHDRAWN: Análisis de un programa de atención integral en pacientes con fractura de cadera mayores de 65 años" "tienePdf" => "es" "tieneTextoCompleto" => 0 "tieneResumen" => "es" "contieneResumen" => array:1 [ "es" => true ] "contienePdf" => array:1 [ "es" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "J. Franch Parella" "autores" => array:1 [ 0 => array:2 [ "nombre" => "J." "apellidos" => "Franch Parella" ] ] ] ] ] "idiomaDefecto" => "es" "Traduccion" => array:1 [ "en" => array:9 [ "pii" => "S1988885617300962" "doi" => "10.1016/j.recote.2017.09.002" "estado" => "S200" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1988885617300962?idApp=UINPBA00004N" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1888441517301480?idApp=UINPBA00004N" "url" => "/18884415/unassign/S1888441517301480/v2_201712300531/es/main.assets" ] "en" => array:18 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Original Paper</span>" "titulo" => "Nailing intertrochanteric fractures in geriatric population: Do we know it all?" "tieneTextoCompleto" => true "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "P. Checa-Betegón, Á. Ramos-Fernández, G. Ciller-González, M. Vallejo-Carrasco, J. García-Coiradas, J. Valle-Cruz" "autores" => array:6 [ 0 => array:4 [ "nombre" => "P." "apellidos" => "Checa-Betegón" "email" => array:1 [ 0 => "pachebet@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "Á." "apellidos" => "Ramos-Fernández" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 2 => array:3 [ "nombre" => "G." "apellidos" => "Ciller-González" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 3 => array:3 [ "nombre" => "M." "apellidos" => "Vallejo-Carrasco" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] 4 => array:3 [ "nombre" => "J." "apellidos" => "García-Coiradas" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 5 => array:3 [ "nombre" => "J." "apellidos" => "Valle-Cruz" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Hospital Universitario Clínico San Carlos, Profesor Martín Lagos sn, 28040 Madrid, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Hospital Universitario De Móstoles, C/ Dr. Luis Montes s/n, 28935 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" => "Enclavado de fracturas intertrocantéricas en población geriátrica: ¿lo sabemos todo?" ] ] "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" => 4417 "Ancho" => 1668 "Tamanyo" => 605283 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Male, 65-year old, 31.A3.3 fracture. Smoker (10<span class="elsevierStyleHsp" style=""></span>cigarettes/day). Ex-alcoholic. Ex-drug user. No allergies. HIV infection, pancreas insufficiency, hepatic cirrhosis. Prior surgery for clavicle fracture. He developed an atrophic non-union, which required an desrotatory osteotomy. This patient is currently under follow-up. 1a: Anteroposterior X-ray at Emergency Department. 1b: Axial X-ray at Emergency Department. 2a: Anteroposterior X-ray first day after surgery. 2b: Axial X-ray first day after surgery. 3a: Anteroposterior X-ray at one year follow-up. Varization and non-union can be observed. 3b: Axial X-ray at one year follow-up. Varization and non-union can be observed. 4a: Coronal image of CT-scan at one year follow-up, showing no signs of union. 4b: Sagital image of CT-scan at one year follow-up, showing no signs of union. 5a: Anteroposterior X-ray first day after reintervention. 5b: Axial X-ray first day after reintervention.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Hip fractures are a growing problem in the Western world, due to the aging population.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1–8</span></a> They are considered a clear consequence of osteoporosis and bone fragility,<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,6,8–11</span></a> a common problem in these patients. It is estimated that the incidence of hip fractures will increase to 6.26 million by 2050.<a class="elsevierStyleCrossRefs" href="#bib0140"><span class="elsevierStyleSup">4,7,8,11–15</span></a> This is directly related with increasing life expectancy and improved healthcare systems. These fractures pose a significant morbidity and mortality to the patient. Complications can include chronic pain, loss of autonomy and quality of life, and even death.<a class="elsevierStyleCrossRefs" href="#bib0140"><span class="elsevierStyleSup">4,7,10,16</span></a> In some series, this is as high as 20–30% in the first year.<a class="elsevierStyleCrossRefs" href="#bib0195"><span class="elsevierStyleSup">15,17</span></a> These fractures imply significant social and economic impact as well, which in some series is estimated at 2.9 billion dollars.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,4,18</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Of these, extracapsular fractures account for more than 50% of such fractures.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,6,12,17,19</span></a> Different radiographic aspects that could predict the final outcome have been studied. Perhaps the best known: the tip-to-the-apex.<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> Regarding treatment, there are numerous therapeutic alternatives, and many studies have been carried out.<a class="elsevierStyleCrossRefs" href="#bib0150"><span class="elsevierStyleSup">6,14,15</span></a> Most of these treatment options offer good results, good consolidation rates and a low percentage of medical complications,<a class="elsevierStyleCrossRefs" href="#bib0145"><span class="elsevierStyleSup">5,6,9,13</span></a> although these injuries are usually associated with functional impairment.<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,15</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">To explain the superiority in the use of nails in regards to other devices, trauma surgeons claim the speed of implantation, biomechanical advantages and minimally invasive approach, among other arguments.<a class="elsevierStyleCrossRefs" href="#bib0160"><span class="elsevierStyleSup">8,11,12,20</span></a> Initially, these devices were associated with a great number of complications at the distal locking level, such as peri-implant fractures.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,12,22–24</span></a> However, these complications have been drastically reduced with newer nail designs.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,12,20,22</span></a> Distal locking serves to maintain fracture length, increase stability and prevent nail buckling in wide canals<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,2,4,6–8,10–12,15</span></a> while lag screw allows perpendicular compression of the fracture.<a class="elsevierStyleCrossRefs" href="#bib0200"><span class="elsevierStyleSup">16,20,22</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">Despite this, it remains a priority to identify the fracture pattern, and to try to achieve optimal reduction to ensure the appropriate outcome.<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,9,13,23</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">There are several papers that recommend distal locking depending on the fracture pattern. In the present study, we have performed a dynamic distal lock to all the fractures. The hypothesis is that a controlled dynamization and compression of the fracture offers good results, although it could be at the expense of a slight shortening and the potential risk of malunion. The aim of this study is to carry out an analysis of radiographic parameters, mechanical, clinical and functional results in all types of fractures (stable and unstable) treated with short nail with dynamic distal locking. Do we know everything about pertrochanteric fractures? Could criteria and treatments be unified?</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Materials and methods</span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Group of patients</span><p id="par0030" class="elsevierStylePara elsevierViewall">After approval had been obtained from the ethics committee of our hospital, a retrospective study was performed between 2017 and 2021 in our center. We selected patients over 65 years of age, with a diagnosis of pertrochanteric fracture operated by short Gamma Gamma3 Nail (Stryker®) with dynamic distal locking.</p><p id="par0035" class="elsevierStylePara elsevierViewall">We excluded patients with a follow-up of less than a year, whatever the reason.</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Method</span><p id="par0040" class="elsevierStylePara elsevierViewall">All selected patients were operated with a Gamma Gamma3 (Stryker®) nail, regardless of the type of fracture, with dynamic distal locking. The nails could have an angulation of 120°, 125° or 130°, depending on the anatomical characteristics of the patients. Cephalic screws and distal locking screws were selected with dimensions according to the patient's measurements.</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Evaluation</span><p id="par0045" class="elsevierStylePara elsevierViewall">In all patients in the series we assessed:<ul class="elsevierStyleList" id="lis0005"><li class="elsevierStyleListItem" id="lsti0005"><span class="elsevierStyleLabel">•</span><p id="par0050" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Demographic variables</span>: age, sex, laterality, history, pre- and post-operative baseline, autonomy and ambulation.</p></li><li class="elsevierStyleListItem" id="lsti0010"><span class="elsevierStyleLabel">•</span><p id="par0055" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Barthel Scale</span>: Pre-injury and at the end of follow-up.</p></li><li class="elsevierStyleListItem" id="lsti0015"><span class="elsevierStyleLabel">•</span><p id="par0060" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Fracture classification</span>: Fractures were evaluated by four members of the unit and classified based on the AO/OTA classification. The same four members classified bone quality based on Singh's radiographic classification.</p></li><li class="elsevierStyleListItem" id="lsti0020"><span class="elsevierStyleLabel">•</span><p id="par0065" class="elsevierStylePara elsevierViewall">The average time of hospital stay, medical complications during admission, mechanical and functional results were analyzed.</p></li><li class="elsevierStyleListItem" id="lsti0025"><span class="elsevierStyleLabel">•</span><p id="par0070" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Radiographic parameters</span>: Pre-operative and intra-operative radiographic parameters were analyzed.<ul class="elsevierStyleList" id="lis0010"><li class="elsevierStyleListItem" id="lsti0030"><span class="elsevierStyleLabel">∘</span><p id="par0075" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Pre-operative</span>:<ul class="elsevierStyleList" id="lis0015"><li class="elsevierStyleListItem" id="lsti0035"><span class="elsevierStyleLabel">•</span><p id="par0080" class="elsevierStylePara elsevierViewall">Lateral cortical thickness greater or not than 25<span class="elsevierStyleHsp" style=""></span>mm<a class="elsevierStyleCrossRefs" href="#bib0145"><span class="elsevierStyleSup">5,9,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0040"><span class="elsevierStyleLabel">•</span><p id="par0085" class="elsevierStylePara elsevierViewall">Presence of reverse oblicuity<a class="elsevierStyleCrossRefs" href="#bib0150"><span class="elsevierStyleSup">6,9,13,15,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0045"><span class="elsevierStyleLabel">•</span><p id="par0090" class="elsevierStylePara elsevierViewall">Presence of comminution in lateral wall<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0050"><span class="elsevierStyleLabel">•</span><p id="par0095" class="elsevierStylePara elsevierViewall">Presence of comminution on the medial wall<a class="elsevierStyleCrossRefs" href="#bib0150"><span class="elsevierStyleSup">6,9,13,15,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0055"><span class="elsevierStyleLabel">•</span><p id="par0100" class="elsevierStylePara elsevierViewall">Presence of free fragment of the greater trochanter<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0060"><span class="elsevierStyleLabel">•</span><p id="par0105" class="elsevierStylePara elsevierViewall">Presence of transverse fracture of the greater trochanter<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9,19,21</span></a></p></li><li class="elsevierStyleListItem" id="lsti0065"><span class="elsevierStyleLabel">•</span><p id="par0110" class="elsevierStylePara elsevierViewall">Presence of lesser trochanter fracture with diaphyseal extensión<a class="elsevierStyleCrossRefs" href="#bib0150"><span class="elsevierStyleSup">6,9,19,21</span></a></p></li></ul></p></li><li class="elsevierStyleListItem" id="lsti0070"><span class="elsevierStyleLabel">∘</span><p id="par0115" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Intra-operative</span>:<ul class="elsevierStyleList" id="lis0020"><li class="elsevierStyleListItem" id="lsti0075"><span class="elsevierStyleLabel">•</span><p id="par0120" class="elsevierStylePara elsevierViewall">Pin entry point location: anterior, centered or posterior<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,10</span></a></p></li><li class="elsevierStyleListItem" id="lsti0080"><span class="elsevierStyleLabel">•</span><p id="par0125" class="elsevierStylePara elsevierViewall">Cephalic length<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">3</span></a></p></li><li class="elsevierStyleListItem" id="lsti0085"><span class="elsevierStyleLabel">•</span><p id="par0130" class="elsevierStylePara elsevierViewall">Cephalic obliquity in axial plane: anterior, neutral or posterior<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,12</span></a></p></li><li class="elsevierStyleListItem" id="lsti0090"><span class="elsevierStyleLabel">•</span><p id="par0135" class="elsevierStylePara elsevierViewall">Position of the cephalic in coronal plane: inferior, centered or superior<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,10</span></a></p></li><li class="elsevierStyleListItem" id="lsti0095"><span class="elsevierStyleLabel">•</span><p id="par0140" class="elsevierStylePara elsevierViewall">Tip-to-the-apex distance<a class="elsevierStyleCrossRefs" href="#bib0150"><span class="elsevierStyleSup">6,9</span></a></p></li><li class="elsevierStyleListItem" id="lsti0100"><span class="elsevierStyleLabel">•</span><p id="par0145" class="elsevierStylePara elsevierViewall">Medial cortical support: positive, neutral, or negative<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,5</span></a></p></li></ul></p></li></ul></p></li><li class="elsevierStyleListItem" id="lsti0105"><span class="elsevierStyleLabel">•</span><p id="par0150" class="elsevierStylePara elsevierViewall">During follow-up, average time to consolidation, number of technical aids for ambulation at the end of follow-up, as well as early (before one year) and late (after one year) complications, whether or not they required reintervention, were evaluated in all cases. Variables such as gluteal pain, loss of reduction, pseudarthrosis, implant rupture, back-out, cut-out, cut-in heterotopic calcifications, avascular necrosis, infection or material discomfort were included. Consolidation was considered as full weight-bearing in a patient along with radiographic evidence of bridging callus on radiographs.<a class="elsevierStyleCrossRefs" href="#bib0175"><span class="elsevierStyleSup">11,15,17,22</span></a> Non-unions was defined as an insufficient healing and callus formation of the fracture in two X-ray projections after 6 months.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,8,11–13,15,17,22</span></a> Cut-out was defined as the screw penetrating the joint line and migrating proximally.<a class="elsevierStyleCrossRefs" href="#bib0165"><span class="elsevierStyleSup">9,13,17</span></a> Back-out was considered as cephalic lateral protrusion ≥5<span class="elsevierStyleHsp" style=""></span>mm in relation to first post-operative X-ray.<a class="elsevierStyleCrossRefs" href="#bib0180"><span class="elsevierStyleSup">12,16,17</span></a></p></li></ul></p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Statistical analysis</span><p id="par0155" class="elsevierStylePara elsevierViewall">The SPSS 26.0 package (SPSS Inc., Chicago, IL) was used for data processing and statistical analysis. Descriptive data were obtained for all the variables analyzed This included mean, median, standard deviation and IQR for the quantitative variables. For the qualitative ones, on the other hand, frequencies and percentages were registered. We based the results of our quantitative variables on the mean, as the sample followed a normal distribution. After collecting the data, we compared the different radiographic parameters with the possibility of early failure and need for reintervention. Statistical comparisons were performed using a Chi-Squared test, since our sample follows a normal distribution and we copmared independent cualitative variables. For all statistical tests, <span class="elsevierStyleItalic">p</span>-values<span class="elsevierStyleHsp" style=""></span><<span class="elsevierStyleHsp" style=""></span>0.05 were considered significant.</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">Demographic and hospital stay data</span><p id="par0160" class="elsevierStylePara elsevierViewall">A total of 272 patients with pertrochanteric fractures, operated with Gamma Gamma3 (Stryker®) short dynamic nail, with at least one year of follow-up, were obtained. The average age was 83.28 years (65–102). Two hundred four cases were women (75%). The average follow-up was 18.2 months (12–24). Prior to fracture, 62.9% were independent for activities of daily living, 31.3% were partially dependent and 5.9% were totally dependent. Prior to fracture, 56.6% walked without technical aids, 30.1% with one technical aid, 12.5% with two technical aids or a walker, and 0.7% were non-ambulatory. The mean pre-fracture Barthel was 84.60 (10–100). Of the patients, 80.9% were not taking previous treatment for osteoporosis, although 23.9% had previously had a fragility fracture.</p><p id="par0165" class="elsevierStylePara elsevierViewall">One hundred thirty-five cases were right femurs (49.6%) compared to 137 left femurs (50.4%). The mean time os hospital stay was 12.64 days (3–63).</p><p id="par0170" class="elsevierStylePara elsevierViewall">Ninety-one cases (33.5%) presented some type of complication during admission. Most notable complications were 26 urinary tract infections (9.6%); 18 confusional syndromes (6.6%); 16 respiratory infections (5.9%) or 13 decompensations of heart failure (4.8%). Ninety-eight cases (36.6%) required blood transfusion prior or after the surgery.</p><p id="par0175" class="elsevierStylePara elsevierViewall">Demographic information, as well as complications, are shown in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>.</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Types of fractures</span><p id="par0180" class="elsevierStylePara elsevierViewall">With respect to the AO/OTA classification, 233 cases were obtained in group 31.A1 (85.7%); 34 in 31.A2 (12.5%) and 5 in 31.A3 (1.9%). Based on subtypes, 173 cases of 31.A1.2 (63.6%); 60 cases of 31.A1.3 (22.1%); 28 cases of 31.A2.2 (10.3%); 6 cases of 31.A2.3 (2.2%); 1 case of 31.A3.1 (0.4%); 2 cases of 31.A3.2 (0.7%) and 2 cases of 31.A3.3 (0.7%) were obtained.</p><p id="par0185" class="elsevierStylePara elsevierViewall">Regarding the assessment of bone quality according to Singh's classification, 81 cases of type I (29.8%), 69 cases of type II (25.4%), 43 cases of type III (15.8%), 30 cases of type IV (11%), 27 cases of type V (9.9%) and 22 cases of type VI (8.1%) were obtained.</p><p id="par0190" class="elsevierStylePara elsevierViewall">The distribution of cases according to classifications is shown in <a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>.</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Pre and intra-operative radiographs</span><p id="par0195" class="elsevierStylePara elsevierViewall">According to the observers analyzing radiographic criteria of instability, 21 cases (7.7%) of fractures with extension below the lesser trochanter were detected; 74 cases (27.2%) with lateral wall thickness below 25<span class="elsevierStyleHsp" style=""></span>mm; 37 cases (13.6%) with oblique fracture line component; 45 cases (16.5%) with free fragment of the greater trochanter and 30 cases (11%) with free fragment of the lesser trochanter with extension to the diaphysis.</p><p id="par0200" class="elsevierStylePara elsevierViewall">Intraoperatively, the following data was recorded: the entry point at the tip of the greater trochanter was centered in 208 cases (76.5%); posterior in 45 cases (16.5%) and anterior in 19 (7%). In the coronal plane, the cephalic was in the center of the neck in 161 cases (59.2%); inferior in 98 cases (36%) and superior in 13 (4.8%). In the axial projection, the cephalic was centrally located in 188 cases (69.1%), posteriorly in 50 cases (18.4%) and anteriorly in 34 (12.5%). After intra-operative reduction and compression, medial cortical support in the anteroposterior projection was neutral in 175 cases (64.3%); positive in 66 cases (24.3%) and negative in 31 cases (11.4%). The tip-to-apex distance, measured as the sum of the distances from the tip of the screw to the subchondral bone, in the anteroposterior and axial projection, was less than 25<span class="elsevierStyleHsp" style=""></span>mm in 260 cases (95.6%). Only nine intra-operative radiographic complications were recorded (3.3%), consisting of one loss of reduction, which required a new closed reduction, and eight rotations of the cephalic fragment. One of them (0.4%) developed heterotopic ossification. The rest did not present any incidence.</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Post-operative data</span><p id="par0205" class="elsevierStylePara elsevierViewall">A total of 265 cases (97.4%) consolidated satisfactorily, in an average time of 3.83 months (2–12). Four cases (1.5%) did not consolidate and required reintervention. In three cases (1.1%) consolidation was not assessable, because the patients suffered an early cut-out, requiring reintervention for arthroplasty within the first two months post-operatively.</p><p id="par0210" class="elsevierStylePara elsevierViewall">At the end of follow-up, 104 patients (38.2%) were independent, compared to 115 (42.3%) partially dependent and 52 (19.1%) completely dependent. Fifty-six patients (20.6%) were able to ambulate without technical aids; 105 (38.6%) with one technical aid; 90 cases (33.1%) with two technical aids or a walker and 21 cases (7.7%) were no longer ambulatory. Of the total number of patients, 44 (16.2%) presented Trendelemburg type limp at the end of follow-up. The mean Barthel at the end of follow-up was 69.6 (0–100), which represented a loss of 15 points with respect to the initial situation.</p><p id="par0215" class="elsevierStylePara elsevierViewall">The pre-operative and post-operative relationship of the functional parameters is shown in <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>.</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Complications and reinterventions</span><p id="par0220" class="elsevierStylePara elsevierViewall">Eight (2.9%) reinterventions were performed during follow-up. Of these, five (1.8%) were performed within the first year of follow-up and three (1.1%) after one year of follow-up. Some of these reinterventions were: three cases (1.1%) of early cut-out, which were reconverted to hip arthroplasty; one case (0.4%) of secondary hip osteoarthritis and one case (0.4%) of avascular necrosis. Both were converted to total hip arthroplasty.</p><p id="par0225" class="elsevierStylePara elsevierViewall">There were four cases (1.5%) of non-union. Of these, one (0.4%) was reconverted to total hip arthroplasty. One patient (0.4%) underwent material removal and Girdlestone resection arthroplasty, due to his baseline situation. One case (0.4%) of non-union with fatigue and material breakage could not be reoperated due to the high anesthetic risk. There was also one case (0.4%) of non-union in which we performed a valguizing osteotomy and new synthesis. The X-rays of this patient are displayed in <a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>. Information of the fractures that required reintervention is shown in <a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>.</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0230" class="elsevierStylePara elsevierViewall">Other radiographic and clinical findings: 18 cases (6.6%) partial reduction losses were detected, with shortening and varus displacement of the fragment. They had, however, no clinical repercussions and that did not require reintervention. All of them, but two, had dynamized the distal screw position. In the rest of the cases with dynamization of the distal locking screw, no varization of the cephalic fragment was observed. Of those, the medial cortical support was positive in three cases (1.1%), neutral in eight (2.9%) and negative in seven cases (2.6%). The tip-to-the-apex distance was ≥25<span class="elsevierStyleHsp" style=""></span>mm in just one case There were four cases (1.5%) of heterotopic calcifications, which did not require additional management; one case (0.4%) of residual gluteal pain. We registered 60 cases (22.1%) of screw back-out. Nevertheless, none of the required hardware removal.</p></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Comparative analysis</span><p id="par0235" class="elsevierStylePara elsevierViewall">None of the variables analyzed in this work with the Chi-Square statistical test obtained statistical significance. There were no differences when failures and reinterventions were analyzed with respect to fracture patterns according to AO/OTA, Singh classification, pre-operative (such as medial comminution) and intra-operative (such as tip-to-the-apex or medial cortical support) radiographic findings, etc.</p><p id="par0240" class="elsevierStylePara elsevierViewall">The variable that presented the greatest statistical trend was the recorded cases of back-out with respect to the variable “medial cortical support”, with a <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>=<span class="elsevierStyleHsp" style=""></span>0.099, far from statistical significance.</p></span></span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Discussion</span><p id="par0245" class="elsevierStylePara elsevierViewall">In this work, we have reviewed our results in 272 pertrochanteric fractures treated with short endomedullary nail and distal dynamic locking. We have analyzed radiogrpahic parameters, both pre and post operative to try help define what makes a fracture of this kind unstable and what can lead to a premature failure. We have reaffirmed the good prognosis of these fractures with these devices, specially when the tip-to-the-apex distance is respected. We have obtained a 97.4% of satisfactory consolidation, with only 2.9% reinterventions performed, most of them (three cases) due to early cut-out of the cephalic screw.</p><p id="par0250" class="elsevierStylePara elsevierViewall">Because of the economic and social impact of pertrochanteric fractures,<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,4,7,18</span></a> many investigators have sought to better define the criteria for instability of these fractures and the best surgical treatment options. It is the obligation of the orthopedic surgeon to minimize the impact of these injuries and improve patient care.<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">1</span></a></p><p id="par0255" class="elsevierStylePara elsevierViewall">Our goal has been to bring together all of these described factors and attempt to analyze our results with short dynamic nails independent of the fracture pattern, and the literature based on them. To the best of our knowledge, there are many papers that individually analyze several of these factors, but not one that unifies them, except perhaps the one by Haidukewych.<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a></p><p id="par0260" class="elsevierStylePara elsevierViewall">Extra- and intramedullary devices are currently available for the treatment of these fractures. There is consensus on the mechanical superiority of endomedullary devices in the treatment of unstable fractures.<a class="elsevierStyleCrossRefs" href="#bib0155"><span class="elsevierStyleSup">7,9,21,23</span></a> Endomedullary devices offer greater stiffness and better resist and prevent varus collapse of unstable fractures.<a class="elsevierStyleCrossRefs" href="#bib0155"><span class="elsevierStyleSup">7,21</span></a></p><p id="par0265" class="elsevierStylePara elsevierViewall">Regarding the length of the endomedullary device, controversy continues to exist.<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">17,24</span></a> Classically, the use of longer nails has been recommended in fractures presenting more unstable patterns, 31.A2 and 31.A3 of the AO/OTA.<a class="elsevierStyleCrossRef" href="#bib0155"><span class="elsevierStyleSup">7</span></a> Luque et al.<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">17</span></a> found no differences in the treatment of 31.A2 fractures between short and long nails in relation to clinical and radiological outcome. However, patients with long nails had statistically significant greater blood loss and need for transfusion. They also found differences in surgical time. Therefore, they recommend the use of short nails in 31.A2 fractures as long as they are distally locked (in their study, all short nail locks were lock in static position).<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">17</span></a> Goodnough et al.<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">24</span></a> suggest that some surgeons may nevertheless choose to use a long starting nail to avoid a stress zone in the femur, regardless of the fracture stability pattern. For example, Hedge et al.<a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">11</span></a> analyzed the outcome of distal locks in stable fractures, but systematically used long nails in all cases, even though it was mechanically correct to treat with short nails. In our work, all selected patients were operated with short nails. Retrospectively, most of them presented 31.A1 and 31.A2 AO/OTA fractures without finding a higher failure rate in 31.A2 fractures, similar to what Luque et al.<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">17</span></a> suggest. Five cases of 31.A3 fractures were also operated with a short nail, pattern which is not include in other works.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,3,12,17</span></a> One of them presented dynamization and varus displacement and developed a non-union, which required reintervention (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>). Nevertheless, it seems to have a component of biological and not mechanical origin. However, given the small percentage of the series that constitute these fractures, we cannot affirm that 31.A3 fractures can sistematically be treated with short nails. Based on the results we have obtained, we can suggest that short nails can be used more extensively, in many other patterns previously recommended to be treated with long nails, as it does not seem to increase the amount of complications and still has satisfactory consolidation rates. This could prevent complications linked to long nails, such as higher blood loss.</p><p id="par0270" class="elsevierStylePara elsevierViewall">The literature is probably more extensive regarding distal locking of endomedullary devices.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,2,4,6,8,10–16,18,22</span></a> The function of distal locking is to maintain length, stabilize rotationally and prevent nail buckling when the intramedullary canal is wide.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,2,4,6,8</span></a> Originally, most nails were associated with a high percentage of fractures and complications related to this distal locking, although this has decreased drastically with new designs.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,8,14,15,22</span></a> Some authors speak of up to 15% of complications in relation to the distal locking,<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> the most common being irritation of the iliotibial band.<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">14</span></a> This has led authors to question whether or not it was necessary to lock all fractures in the trochanteric region.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,2,4,6,8,10–12,18,19,22</span></a> Most of these works are carried out on stable pertrochanteric fracture patterns. In them, the authors agree that it is not necessary to lock these patterns.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,6,8,11,14,15,22</span></a> This reduces surgical time, fluoroscopic exposure and minimizes complications.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,6,8,14,15</span></a> There is, however, a stable pattern configuration that Mori et al.<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">13</span></a> warn about the necessity to lock. This is the case of stable patterns where the entry point is too posterior.<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">13</span></a> We have found few papers that ask this question in unstable patterns.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,10,12,15</span></a> In general, there is consensus on the need for distal locking (although it is not specified whether dynamic or static in many of them) in unstable patterns.<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">1,9,10,15,18,22</span></a> Even so, that opinion is not universal, as there are also papers, such as that of Caiaffa et al.<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> from 2018 with good results in unlocked unstable patterns. Most of these papers did not include 31.A3 patterns of AO/OTA. Buruian et al.<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> even design a distal locking decision algorithm in pertrochanteric fractures. In our center, all nails are locked dinamically hoping to achieve controlled compression of the fracture fragments. This practice is questionable, because several fracture patterns could be left unlocked, minimizing surgical time and costs. Carefully analyze the fracture pattern for primordial, to identify the need or not to block and save unnecessary gestures.</p><p id="par0275" class="elsevierStylePara elsevierViewall">There are also papers that discuss static or dynamic lag screw position.<a class="elsevierStyleCrossRefs" href="#bib0200"><span class="elsevierStyleSup">16,20</span></a> In our center, we dynamically lock the lag screw to dynamize and compress the fracture. Kuzyk et al.<a class="elsevierStyleCrossRef" href="#bib0220"><span class="elsevierStyleSup">20</span></a> carried out biomechanical work where they demonstrated a significant loss (12.4%) of axial and lateral stiffness with dynamic locking, and advised caution and further study with locking in unstable patterns. Later, Hulshof et al.<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">16</span></a> conducted a paper in 2022 where they found no differences in outcomes and complications between static or dynamic positioning. They caution, however, that the Gamma3 (Stryker®) design may be inappropriate for true static locking. A dynamic lag screw allows greater back-out, which Skála-Rosenbaum<a class="elsevierStyleCrossRef" href="#bib0230"><span class="elsevierStyleSup">22</span></a> and Ciaffa et al.<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> translated into interfragmentary compression. Ciaffa et al.<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> registered back-out of the cephalic screw in all their cases. However, the average protrussion distance was higher in the unstable patterns. This results match those of Hulshof et al.<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">16</span></a> and Skála-Rosenbaum et al.<a class="elsevierStyleCrossRef" href="#bib0230"><span class="elsevierStyleSup">22</span></a> In our work we detected 60 cases of screw back-out (22.1%), matching the results previously shown by other authors. This can be explained by the dynamic position to allow fracture compressionn. This may seem a low percentage, despite the fact that all lag screw locks were dynamic. This is probably due to good intra-operative reduction, adequate medial cortical support and the stability of the fractures themselves.</p><p id="par0280" class="elsevierStylePara elsevierViewall">In general, all studies report good consolidation rates. It is estimated that, despite the age and baseline circumstances of these patients, more than 90% consolidate satisfactorily.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,8,11,12,15–18</span></a> Some authors suggest that a distal static locking slows, but does not prevent, consolidation.<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">19</span></a> The main reason for these good consolidation results lies in the abundant amount of cancellous bone and good vascularization.<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">15</span></a> Our results in this regard are similar to those obtained in the literature, as we had 97.4% consolidation. We could not identify any common factor in those cases that did not consolidate.</p><p id="par0285" class="elsevierStylePara elsevierViewall">One of the most classically cited radiographic feature has been the tip-to-apex distance.<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> It applies to both intra- and extramedullary devices.<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> A distance of less than 25<span class="elsevierStyleHsp" style=""></span>mm is predictive of good outcome, and minimizes the risk of cut-out.<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">9</span></a> Recently, however, other concepts have been introduced, such as medial cortical support in reduction.<a class="elsevierStyleCrossRefs" href="#bib0135"><span class="elsevierStyleSup">3,5</span></a> Chang et al.<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">3</span></a> introduced this concept in 2015. It is as important to try to aim for positive medial cortical balance as it is to try to avoid negative balance. This work served to demonstrate that a nonanatomic reduction could nevertheless offer advantages in fracture prognosis. Adequate anteromedial cortical support can convert unstable patterns into stable ones.<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">5</span></a> Subsequently, this same author in 2017<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">5</span></a> published a correlation of fluoroscopic reduction with CT reconstructions. The work served to corroborate previous studies and reaffirm that a negative balance is a predictor of reduction loss and higher failure rate. In our work we have analyzed these two measures, among other radiographic parameters. 95.6% of our sample had a tip to apex distance of less than 25<span class="elsevierStyleHsp" style=""></span>mm. Likewise, positive or neutral medial cortical support was achieved in 88.6%, while it was negative in only 11.4%. Of the latter, only one required reintervention, so we found no relationship with implant failure in our sample. These appropriate intra-operative and post-operative radiographic measurements may justify the good results obtained and the low percentage of complications and reinterventions in our sample.</p><p id="par0290" class="elsevierStylePara elsevierViewall">One of the most feared complications is cut-out, estimated at around 2% in the literature.<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,6,12,16,17,19</span></a> Since these are usually geriatric patients, most authors recommend reconversion to hip arthroplasty, although there is also the possibility of reosteosynthesis.<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">12</span></a> Other complications can be non-union (<2%),<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,4,8,11,12,15–19</span></a> peri-implant fractures (1–3%)<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">2,6,12,15,18,23,24</span></a> or reduction losses (1–3%).<a class="elsevierStyleCrossRefs" href="#bib0140"><span class="elsevierStyleSup">4,12,19</span></a> The overall revision rate ranges from 0.5 to 2.8%.<a class="elsevierStyleCrossRefs" href="#bib0140"><span class="elsevierStyleSup">4,12,16,17,19</span></a> Our results match those of the literature, as we obtained 1.1% cut-out and 1.5% non-union rate. All of these, slightly lower than the literature. We had, however, a higher percentage of reduction loss, with 6.6%, usually with fracture shortening. Of those, the medial cortical support was positive in three cases (1.1%), neutral in eight (2.9%) and negative in seven cases (2.6%). The tip-to-the-apex distance was ≥25<span class="elsevierStyleHsp" style=""></span>mm in just one case. Our reoperation rate was 3.3%.</p><p id="par0295" class="elsevierStylePara elsevierViewall">This work has several limitations. Firstly, its retrospective nature with its inherent limitations. Secondly, the sample size, although respectable, did not present a sufficient number of complications and reinterventions to be able to obtain statistical significance of the variables analyzed. It is possible that the appropriate application of principles previously described in the literature is responsible for the satisfactory results. Thirdly, no validated clinical scales were used in the post-operative period and follow-up. Forthly, not many cases of pattern AO/OTA 31.A3 were registered, therefore the use of short nails cannot be generalized in this pattern.</p></span><span id="sec0075" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Conclusions</span><p id="par0300" class="elsevierStylePara elsevierViewall">The short nail with dynamic distal locking offers satisfactory clinical, radiological and functional results and sufficient stability for the different pertrochanteric fracture patterns of AO/OTA. We have not recorded an increase in complications or failures with this implant configuration. However, we have not had enough cases of AO/OTA 31.A3 to record enough data about this certain pattern to generalize the use of short nails in these cases.</p></span><span id="sec0080" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Level of evidence</span><p id="par0305" class="elsevierStylePara elsevierViewall">Level of evidence IV.</p></span><span id="sec0085" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Ethical considerations</span><p id="par0310" class="elsevierStylePara elsevierViewall">The authors’ response to the ethical responsibilities required by the publisher is reflected below.</p><span id="sec0090" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0150">Protection of people and animals</span><p id="par0315" class="elsevierStylePara elsevierViewall">N/A. The authors declare that no experiments have been carried out on humans or animals for this research.</p></span><span id="sec0095" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0155">Data confidentiality</span><p id="par0320" class="elsevierStylePara elsevierViewall">N/A. The authors declare that no patient data appear in this article.</p></span><span id="sec0100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0160">Right to privacy and informed consent</span><p id="par0325" class="elsevierStylePara elsevierViewall">N/A. The authors declare that no patient data appears in this article.</p></span></span><span id="sec0105" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0165">Funding</span><p id="par0330" class="elsevierStylePara elsevierViewall">The authors declare that they do not present any type of financing or relationship that may have influenced the results reported in this scientific document.</p></span><span id="sec0110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0170">Conflict of interest</span><p id="par0335" class="elsevierStylePara elsevierViewall">The authors declare that they have no competing interest.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:14 [ 0 => array:3 [ "identificador" => "xres2159922" "titulo" => "Abstract" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction and objectives" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Materials and methods" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] 1 => array:2 [ "identificador" => "xpalclavsec1832761" "titulo" => "Keywords" ] 2 => array:3 [ "identificador" => "xres2159923" "titulo" => "Resumen" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción y objetivos" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Materiales y métodos" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultados" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] 3 => array:2 [ "identificador" => "xpalclavsec1832762" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:3 [ "identificador" => "sec0010" "titulo" => "Materials and methods" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "sec0015" "titulo" => "Group of patients" ] 1 => array:2 [ "identificador" => "sec0020" "titulo" => "Method" ] 2 => array:2 [ "identificador" => "sec0025" "titulo" => "Evaluation" ] 3 => array:2 [ "identificador" => "sec0030" "titulo" => "Statistical analysis" ] ] ] 6 => array:3 [ "identificador" => "sec0035" "titulo" => "Results" "secciones" => array:6 [ 0 => array:2 [ "identificador" => "sec0040" "titulo" => "Demographic and hospital stay data" ] 1 => array:2 [ "identificador" => "sec0045" "titulo" => "Types of fractures" ] 2 => array:2 [ "identificador" => "sec0050" "titulo" => "Pre and intra-operative radiographs" ] 3 => array:2 [ "identificador" => "sec0055" "titulo" => "Post-operative data" ] 4 => array:2 [ "identificador" => "sec0060" "titulo" => "Complications and reinterventions" ] 5 => array:2 [ "identificador" => "sec0065" "titulo" => "Comparative analysis" ] ] ] 7 => array:2 [ "identificador" => "sec0070" "titulo" => "Discussion" ] 8 => array:2 [ "identificador" => "sec0075" "titulo" => "Conclusions" ] 9 => array:2 [ "identificador" => "sec0080" "titulo" => "Level of evidence" ] 10 => array:3 [ "identificador" => "sec0085" "titulo" => "Ethical considerations" "secciones" => array:3 [ 0 => array:2 [ "identificador" => "sec0090" "titulo" => "Protection of people and animals" ] 1 => array:2 [ "identificador" => "sec0095" "titulo" => "Data confidentiality" ] 2 => array:2 [ "identificador" => "sec0100" "titulo" => "Right to privacy and informed consent" ] ] ] 11 => array:2 [ "identificador" => "sec0105" "titulo" => "Funding" ] 12 => array:2 [ "identificador" => "sec0110" "titulo" => "Conflict of interest" ] 13 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2024-04-09" "fechaAceptado" => "2024-05-08" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec1832761" "palabras" => array:6 [ 0 => "Pertrochanteric fracture" 1 => "Intertrochanteric fracture" 2 => "Fracture reduction" 3 => "Geriatric fracture" 4 => "Gamma3 Nail" 5 => "Short nail" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec1832762" "palabras" => array:6 [ 0 => "Fractura pertrocantérea" 1 => "Fractura intertrocantérea" 2 => "Reducción de la fractura" 3 => "Fractura geriátrica" 4 => "Gamma3" 5 => "Clavo corto" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:3 [ "titulo" => "Abstract" "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction and objectives</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Pertrochanteric fractures constitute an important part of the daily activity of the orthopedic surgeon. The aim of this study was to carry out an analysis of pre-, intra- and post-operative radiographic parameters and to analyze the results of stable and unstable intertrochanteric fractures treated with short nails with dynamic distal locking.</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Materials and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Retrospective study in our center, between the years 2017–2021 of patients over 65 years of age with pertrochanteric fracture. We included 272 patients treated with Gamma3 Nail (Stryker®) with dynamic distal locking. As variables, we recorded: age, medical comorbidities, fracture pattern according to AO/OTA, osteopenia according to Singh's classification, pre-operative (such as diaphyseal extension), intra-operative (such as tip-to-the-apex or medial cortical support) and post-operative radiographic parameters (such as time to consolidation or loss of reduction), pre- and post-operative Barthel, quality of life and complications and reinterventions, such as non-union or cut-out.</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The mean age was 83.28 years (65–102). Two hundred four cases were women (75%). The average follow-up was 18.2 months (12–24). The distribution according to AO/OTA classification was 85.7% 31.A1; 12.5% 31.A2; 1.9% 31.A3. Radiographic consolidation was obtained in 97.4% of cases. Tip to apex distance was less than 25<span class="elsevierStyleHsp" style=""></span>mm in 95.6% of cases. Medial cortical support was positive or neutral in 88.6% of cases. Sixty cases (22.1%) of screw back-out were recorded. Eight reinterventions (2.9%) were performed, corresponding to three cut-outs (1.1%), three non-unions (1.1%), one avascular necrosis (0.4%) and one secondary hip osteoarthritis (0.4%).</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Short nail with dynamic distal locking offers good clinical, radiological and functional results in all types of AO/OTA patterns, without increasing the complication rate, as long as there is an appropriate tip-to-the-apex distance and good medial cortical support.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0005" "titulo" => "Introduction and objectives" ] 1 => array:2 [ "identificador" => "abst0010" "titulo" => "Materials and methods" ] 2 => array:2 [ "identificador" => "abst0015" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abst0020" "titulo" => "Conclusions" ] ] ] "es" => array:3 [ "titulo" => "Resumen" "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introducción y objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Las fracturas pertrocantéreas constituyen una parte importante de la actividad diaria del cirujano ortopédico. El objetivo de este estudio fue realizar un análisis de parámetros radiológicos pre, intra y postoperatorios y analizar los resultados de fracturas intertrocantéreas estables e inestables tratadas con clavos cortos con bloqueo distal dinámico.</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Materiales y métodos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Realizamos un estudio retrospectivo en nuestro centro, entre los años 2017-2021, de pacientes mayores de 65<span class="elsevierStyleHsp" style=""></span>años con fractura pertrocantérea. Se incluyeron 272 pacientes tratados con clavo Gamma3 (Stryker®) con bloqueo distal dinámico. Como variables se registraron: edad, comorbilidades médicas, patrón de fractura según AO/OTA, osteopenia según clasificación de Singh, parámetros radiológicos preoperatorios (como extensión diafisaria), intraoperatorios (como <span class="elsevierStyleItalic">tip-to-the-apex</span> o soporte cortical medial) y postoperatorios (como el tiempo hasta la consolidación o la pérdida de reducción), Barthel pre y postoperatorio, calidad de vida y complicaciones y reintervenciones, como pseudoartrosis o <span class="elsevierStyleItalic">cut-out</span>.</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La edad media fue de 83,28<span class="elsevierStyleHsp" style=""></span>años (65-102). 204 casos fueron mujeres (75%). El seguimiento medio fue de 18,2<span class="elsevierStyleHsp" style=""></span>meses (12-24). La distribución según clasificación AO/OTA fue del 85,7% 31.A1; del 12,5% 31.A2, y del 1,9% 31.A3. Se obtuvo consolidación radiográfica en el 97,4% de los casos. La distancia <span class="elsevierStyleItalic">tip-to-the-apex</span> fue inferior a 25<span class="elsevierStyleHsp" style=""></span>mm en el 95,6% de los casos. El soporte cortical medial fue positivo o neutro en el 88,6% de los casos. Se registraron 60 casos (22,1%) de <span class="elsevierStyleItalic">back-out</span> del tornillo cefálico. Se realizaron 8 reintervenciones (2,9%), correspondientes a 3 fenómenos de corte (1,1%), 3 pseudoartrosis (1,1%), una necrosis avascular (0,4%) y una artrosis secundaria de cadera (0,4%).</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">El clavo corto con bloqueo distal dinámico ofrece buenos resultados clínicos, radiológicos y funcionales en todo tipo de patrones AO/OTA, sin aumentar la tasa de complicaciones, siempre y cuando exista una distancia <span class="elsevierStyleItalic">tip-to-the-apex</span> adecuada y un buen soporte cortical medial.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abst0025" "titulo" => "Introducción y objetivos" ] 1 => array:2 [ "identificador" => "abst0030" "titulo" => "Materiales y métodos" ] 2 => array:2 [ "identificador" => "abst0035" "titulo" => "Resultados" ] 3 => array:2 [ "identificador" => "abst0040" "titulo" => "Conclusiones" ] ] ] ] "multimedia" => array:5 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1013 "Ancho" => 1700 "Tamanyo" => 141570 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">AO/OTA and Singh's classifications and distribution.</p>" ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 4417 "Ancho" => 1668 "Tamanyo" => 605283 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Male, 65-year old, 31.A3.3 fracture. Smoker (10<span class="elsevierStyleHsp" style=""></span>cigarettes/day). Ex-alcoholic. Ex-drug user. No allergies. HIV infection, pancreas insufficiency, hepatic cirrhosis. Prior surgery for clavicle fracture. He developed an atrophic non-union, which required an desrotatory osteotomy. This patient is currently under follow-up. 1a: Anteroposterior X-ray at Emergency Department. 1b: Axial X-ray at Emergency Department. 2a: Anteroposterior X-ray first day after surgery. 2b: Axial X-ray first day after surgery. 3a: Anteroposterior X-ray at one year follow-up. Varization and non-union can be observed. 3b: Axial X-ray at one year follow-up. Varization and non-union can be observed. 4a: Coronal image of CT-scan at one year follow-up, showing no signs of union. 4b: Sagital image of CT-scan at one year follow-up, showing no signs of union. 5a: Anteroposterior X-ray first day after reintervention. 5b: Axial X-ray first day after reintervention.</p>" ] ] 2 => 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=""><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"><span class="elsevierStyleItalic">Gender</span> \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">Female: 204 (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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Male: 68 (25%) \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"><span class="elsevierStyleItalic">Age</span> \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">83.28 years \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">±10.37 years \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"><span class="elsevierStyleItalic">Side</span> \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">Left: 137 (50.4%) \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">Right: 135 (49.6%) \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"><span class="elsevierStyleItalic">Hospital stay</span> \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">12.64 days \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">±7.91 \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"><span class="elsevierStyleItalic">Transfusion</span> \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">98 \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">(36.6%) \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="3" 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-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"><span class="elsevierStyleItalic">Complications</span> \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">91 cases \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">(33.5%) \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"><span class="elsevierStyleHsp" style=""></span>Urinary tract infection \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">26 \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">(9.6%) \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"><span class="elsevierStyleHsp" style=""></span>Confusional syndome \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">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">(6.6%) \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"><span class="elsevierStyleHsp" style=""></span>Respiratory infection \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 \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">(5.9%) \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"><span class="elsevierStyleHsp" style=""></span>Congestive heart failure \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">13 \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">(4.8%) \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"><span class="elsevierStyleHsp" style=""></span>Others \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">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">(6.6%) \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3559378.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Demographic data and medical complications.</p>" ] ] 3 => 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" 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">Before the fracture \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">After the fracture \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">Independent \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">62.9% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">38.2% \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">Partially dependent \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">31.3% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">42.3% \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">Completely dependent \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">5.9% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">19.1% \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="3" 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-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">No crutches \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">56.6% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">20.6% \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">One crutch \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">30.1% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">38.6% \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">Two cruches/walker \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">12.5% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">33.1% \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">Inability \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">0.7% \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7.7% \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="3" 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-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">Barthel \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">84.6 \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">69.6 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3559380.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Functional information and ability to walk before and after the fracture.</p>" ] ] 4 => 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:2 [ "leyenda" => "<p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">TtA: tip to apex (mm); ORIF: open reduction internal fixation; MCS: medial cortical support: positive (+); neutral (N); negative (−).</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"><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">Age \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">Side \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">AO/OTA \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">TtA (mm) \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">MCS \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">Cause \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">Surgery \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">94 \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">Right \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.A1.2 \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">31 \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">N \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">Cut-out \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">Arthroplasty \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">Patient 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">87 \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">Right \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.A1.2 \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">17 \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">N \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">Non-union \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">Arthroplasty \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">89 \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">Left \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.A1.3 \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">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">+ \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">Non-union \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">Hardware removal<span class="elsevierStyleHsp" style=""></span>+<span class="elsevierStyleHsp" style=""></span>Girdlestone \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">Patient 4 \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">93 \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">Left \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.A1.2 \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><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">N \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">Cut-out \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">Arthroplasty \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">65 \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">Left \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.A1.2 \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">23 \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">− \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">Cut-out \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">Arthroplasty \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">71 \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">Right \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.A1.3 \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">13 \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">+ \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">Osteoarthritis \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">Arthroplasty \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">73 \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">Left \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.A1.2 \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">13 \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">N \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">Avascular necrosis \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">Arthroplasty \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">Patient 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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">65 \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">Left \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.A3.3 \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="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">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">N \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">Non-union \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">Valguizing osteotomy \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab3559379.png" ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spar0065" class="elsevierStyleSimplePara elsevierViewall">Reinterventions.</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" => "Is distal locking necessary? A biomechanical investigation of intramedullary nailing constructs for intertrochanteric fractures" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "D. Gallagher" 1 => "B. Adams" 2 => "H. El-Gendi" 3 => "A. Patel" 4 => "L. Grossman" 5 => "J. Berdia" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:5 [ "tituloSerie" => "J Orthop Trauma [Internet]" "fecha" => "2012" "volumen" => "27" "paginaInicial" => "373" "paginaFinal" => "378" ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0130" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Distal locked and unlocked nailing for perthrochanteric fractures – a prospective comparative randomized study" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "X. Li" 1 => "L. Zhang" 2 => "Z. Hou" 3 => "Z. Meng" 4 => "W. Chen" 5 => "P. Wang" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1007/s00264-015-2771-1" "Revista" => array:6 [ "tituloSerie" => "Int Orthop" "fecha" => "2015" "volumen" => "39" "paginaInicial" => "1645" "paginaFinal" => "1652" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/25913263" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib0135" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Fracture reduction with positive medial cortical support: a key element in stability reconstruction for the unstable pertrochanteric hip fractures" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:6 [ 0 => "S.M. Chang" 1 => "Y.Q. Zhang" 2 => "Z. Ma" 3 => "Q. Li" 4 => "J. Dargel" 5 => "P. 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Corina" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/j.injury.2016.07.038" "Revista" => array:6 [ "tituloSerie" => "Injury" "fecha" => "2016" "volumen" => "47" "paginaInicial" => "S98" "paginaFinal" => "S106" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/27523625" "web" => "Medline" ] ] ] ] ] ] ] ] 4 => array:3 [ "identificador" => "bib0145" "etiqueta" => "5" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Anteromedial cortical support reduction in unstable pertrochanteric fractures: a comparison of intra-operative fluoroscopy and post-operative three dimensional computerised tomography reconstruction" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "S.M. Chang" 1 => "Y.Q. Zhang" 2 => "S.C. Du" 3 => "Z. Ma" 4 => "S.J. Hu" 5 => "X.Z. Yao" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1007/s00264-017-3623-y" "Revista" => array:6 [ "tituloSerie" => "Int Orthop" "fecha" => "2018" "volumen" => "42" "paginaInicial" => "183" "paginaFinal" => "189" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/28891021" "web" => "Medline" ] ] ] ] ] ] ] ] 5 => array:3 [ "identificador" => "bib0150" "etiqueta" => "6" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Comparison between locked and unlocked intramedullary nails in intertrochanteric fractures" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "R.M. Lanzetti" 1 => "A. Caraffa" 2 => "D. Lupariello" 3 => "P. Ceccarini" 4 => "G. Gambaracci" 5 => "L. 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