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Actualización en el manejo multidisciplinar del cáncer de la unión esofagogástrica
Proyectos de estandarización del tratamiento del cáncer de la unión esofagogástrica: centralización, registros y formación
Standardizing the treatment of oesophagogastric junction tumours: Centralization, registries and surgical training
Javier Osorioa,
Autor para correspondencia
javier_osorio2003@yahoo.es

Autor para correspondencia.
, Joaquín Rodríguez-Santiagoa, Josep Roigb, Manuel Perac
a Unidad de Cirugía Esofagogástrica, Hospital Universitari Mútua Terrassa, Terrasa, Barcelona, España
b Servicio de Cirugía General y Digestiva, Hospital Transfronterer de Cerdanya, Puigcerdá, Gerona, España
c Sección de Cirugía Gastrointestinal, Hospital Universitario del Mar, Barcelona, España
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as&#237; como las iniciativas de estandarizaci&#243;n mediante la centralizaci&#243;n de la enfermedad y la formaci&#243;n quir&#250;rgica&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Centralizaci&#243;n</span><p id="par0015" class="elsevierStylePara elsevierViewall">La cirug&#237;a de los tumores del es&#243;fago y la UEG se asocia a una considerable morbimortalidad postoperatoria y a una baja supervivencia<a class="elsevierStyleCrossRefs" href="#bib0270"><span class="elsevierStyleSup">3&#44;7</span></a>&#46; Diversos estudios han mostrado que estos resultados son mejores en hospitales de alto volumen<a class="elsevierStyleCrossRefs" href="#bib0295"><span class="elsevierStyleSup">8&#8211;15</span></a>&#44; aunque no existe unanimidad<a class="elsevierStyleCrossRef" href="#bib0335"><span class="elsevierStyleSup">16</span></a>&#46; En un metaan&#225;lisis de 2012&#44; Wouters et al&#46;<a class="elsevierStyleCrossRef" href="#bib0300"><span class="elsevierStyleSup">9</span></a> analizaron 32 art&#237;culos que demostraban la relaci&#243;n inversa entre volumen hospitalario y mortalidad postoperatoria tras una esofaguectom&#237;a &#40;OR 2&#44;30&#44; IC 95&#37; 1&#44;89-2&#44;80&#41; y 7 que establec&#237;an una asociaci&#243;n entre volumen hospitalario y supervivencia &#40;OR 1&#44;17&#44; IC 95&#37; 1&#44;05-1&#44;31&#41;&#46; Sin embargo&#44; muchos de esos estudios eran observacionales y basados en datos administrativos y ha sido subrayado que los efectos positivos del mayor volumen hospitalario son menos pronunciados en los estudios prospectivos que en los retrospectivos<a class="elsevierStyleCrossRef" href="#bib0340"><span class="elsevierStyleSup">17</span></a>&#46; En cualquier caso&#44; ning&#250;n estudio ha mostrado peores resultados en los centros de alto volumen&#46; En consecuencia&#44; se han planteado diversas propuestas de un volumen anual m&#237;nimo recomendable por centro&#58; Henneman et al&#46;<a class="elsevierStyleCrossRef" href="#bib0320"><span class="elsevierStyleSup">13</span></a> demostraron que los equipos quir&#250;rgicos holandeses que realizaban m&#225;s de 40 esofaguectom&#237;as al a&#241;o ten&#237;an una menor mortalidad a los 6 meses &#40;HR 0&#44;73&#44; IC 95&#37; 0&#44;65-0&#44;83&#41; y a los 2 a&#241;os &#40;HR 0&#44;88&#44; IC 95&#37; 0&#44;83-0&#44;93&#41;&#44; por lo que consideraron que ese deb&#237;a ser el n&#250;mero m&#237;nimo exigible para un equipo quir&#250;rgico especializado&#46; Siguiendo un m&#233;todo similar&#44; otros autores han establecido puntos de corte en un m&#237;nimo de 13 o 20 esofaguectom&#237;as al a&#241;o<a class="elsevierStyleCrossRefs" href="#bib0345"><span class="elsevierStyleSup">18&#44;19</span></a>&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Estos hallazgos han justificado la puesta en marcha de diferentes procesos de centralizaci&#243;n de las neoplasias de es&#243;fago y la UEG&#46; Vonlanthen et al&#46;<a class="elsevierStyleCrossRef" href="#bib0340"><span class="elsevierStyleSup">17</span></a> analizaron las pol&#237;ticas de centralizaci&#243;n de la cirug&#237;a oncol&#243;gica de 20 pa&#237;ses europeos&#44; EE&#46; UU&#46; y Canad&#225;&#44; hallando que la mayor&#237;a &#40;15 de los 22&#41; hab&#237;an definido un volumen m&#237;nimo de esofaguectom&#237;as anuales por centro&#44; con un rango muy amplio que iba de 7 en Canad&#225; a 80 en Dinamarca&#46; En 2 pa&#237;ses &#40;Reino Unido y EE&#46; UU&#46;&#41; se hab&#237;a propuesto&#44; adem&#225;s&#44; un volumen m&#237;nimo por cirujano&#46; Sin embargo&#44; solo en 6 pa&#237;ses esas medidas hab&#237;an sido impuestas legalmente&#46; Esos procesos de centralizaci&#243;n han demostrado su eficacia en pa&#237;ses como Holanda&#44; donde se redujo la mortalidad postoperatoria de 12 a 5&#37; &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;003&#41; y la estancia hospitalaria de 21 a 17 d&#237;as &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;002&#41;&#44; aumentando la supervivencia a los 2 a&#241;os de 38 a 54&#37; &#40;p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;<a class="elsevierStyleCrossRef" href="#bib0280"><span class="elsevierStyleSup">5</span></a>&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">La mayor&#237;a de esas iniciativas no contemplan los tumores de la UEG como un caso aparte y se basan en la definici&#243;n del tipo de resecci&#243;n quir&#250;rgica&#46; En las gastrectom&#237;as oncol&#243;gicas la relaci&#243;n del volumen hospitalario con la mortalidad postoperatoria&#44; la extensi&#243;n de la linfadenectom&#237;a y la supervivencia a largo plazo tambi&#233;n ha sido descrita&#44; aunque con menos contundencia que con las esofaguectom&#237;as<a class="elsevierStyleCrossRefs" href="#bib0325"><span class="elsevierStyleSup">14&#44;17</span></a>&#46; Algunos pa&#237;ses tambi&#233;n han impulsado procesos de centralizaci&#243;n de las gastrectom&#237;as con buenos resultados&#44; como Dinamarca&#44; donde disminuy&#243; la tasa de dehiscencia anastom&#243;tica de 6&#44;1 a 5&#37; &#40;HR 5&#44;2&#44; IC 95&#37; 3&#44;2-7&#44;7&#41;&#44; la mortalidad a los 30 d&#237;as de 8&#44;2 a 2&#44;4&#37; &#40;HR 2&#44;8&#44; IC 95&#37; 1&#44;2-4&#44;4&#41; y el porcentaje de pacientes con al menos 15 ganglios resecados de 19 a 76&#37; &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;<a class="elsevierStyleCrossRef" href="#bib0355"><span class="elsevierStyleSup">20</span></a>&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">En Espa&#241;a&#44; varias comunidades aut&#243;nomas han realizado procesos de centralizaci&#243;n de las neoplasias esofagog&#225;stricas en los &#250;ltimos a&#241;os de manera m&#225;s o menos espont&#225;nea o dirigida&#46; En Catalu&#241;a&#44; en la primera d&#233;cada del presente siglo se produjo un descenso de 69 a 17 hospitales autorizados a realizar esta cirug&#237;a&#44; con el consiguiente incremento de las esofaguectom&#237;as y gastrectom&#237;as por centro y a&#241;o &#40;de 3&#44;4 a 7&#44;4 y de 7&#44;2 a 17&#44; respectivamente&#41;&#46; Se observ&#243; una disminuci&#243;n de la morbimortalidad postoperatoria&#44; junto con un aumento de los accesos transtor&#225;cicos y las linfadenectom&#237;as amplias&#44; as&#237; como una mayor uniformidad de los tratamientos multimodales<a class="elsevierStyleCrossRefs" href="#bib0360"><span class="elsevierStyleSup">21&#44;22</span></a>&#46; Recientemente&#44; el gobierno auton&#243;mico catal&#225;n ha establecido un m&#237;nimo de 11 gastrectom&#237;as y 11 esofaguectom&#237;as por a&#241;o para autorizar a un centro el tratamiento con intenci&#243;n radical de las neoplasias epiteliales esofagog&#225;stricas&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">Pero las pol&#237;ticas de centralizaci&#243;n basadas exclusivamente en el volumen hospitalario pueden no traducirse en un beneficio &#243;ptimo&#44; puesto que existen otros factores que juegan un papel importante<a class="elsevierStyleCrossRefs" href="#bib0340"><span class="elsevierStyleSup">17&#44;20</span></a>&#46; As&#237; lo demostraron Simunovic et al&#46;<a class="elsevierStyleCrossRef" href="#bib0370"><span class="elsevierStyleSup">23</span></a> comparando los resultados de la regionalizaci&#243;n del c&#225;ncer de p&#225;ncreas en 2 provincias de Canad&#225; donde llevaron a cabo una diferente implementaci&#243;n de medidas de calidad asistencial con resultados muy dispares&#46; Adem&#225;s&#44; la elecci&#243;n de los centros de referencia no deber&#237;a basarse solo en el n&#250;mero de procedimientos anuales que realiza cada centro en el momento de iniciar el proceso de centralizaci&#243;n&#44; sino sobre todo en el cumplimiento de los requisitos de estructura&#44; procesos y resultados<a class="elsevierStyleCrossRefs" href="#bib0340"><span class="elsevierStyleSup">17&#44;24</span></a>&#46; Low et al&#46;<a class="elsevierStyleCrossRef" href="#bib0380"><span class="elsevierStyleSup">25</span></a> definieron los resultados postoperatorios de referencia <span class="elsevierStyleItalic">&#40;benchmarking&#41;</span> que ser&#237;a razonable exigir a una unidad quir&#250;rgica especializada&#44; con base en las tasas de complicaciones&#44; mortalidad y reingresos de 2&#46;704 esofaguectom&#237;as del registro promovido por el <span class="elsevierStyleItalic">Esophageal Complication Consensus Group</span>&#46; Recientemente&#44; se han descrito nuevos conceptos como el <span class="elsevierStyleItalic">Failure to Rescue</span> &#40;porcentaje de pacientes con alguna complicaci&#243;n postoperatoria que mueren a consecuencia de ella&#41; y el <span class="elsevierStyleItalic">Textbook Outcome</span> &#40;porcentaje de pacientes que cumplen con una serie de resultados ideales de curso perioperatorio&#41;&#44; que son tambi&#233;n criterios de calidad asistencial hospitalaria<a class="elsevierStyleCrossRefs" href="#bib0385"><span class="elsevierStyleSup">26&#44;27</span></a>&#46; Algunos autores e instituciones&#44; como la <span class="elsevierStyleItalic">European CanCer Organization</span>&#44; han elaborado listas de los recursos estructurales y los par&#225;metros de calidad exigibles para realizar esofaguectom&#237;as y gastrectom&#237;as oncol&#243;gicas seg&#250;n la evidencia publicada&#58; el n&#250;mero de pacientes atendidos por a&#241;o es solo uno de esos factores&#44; junto con otros muchos como la estructura hospitalaria&#44; la formaci&#243;n del personal&#44; la radicalidad quir&#250;rgica&#44; las tasas de morbimortalidad postoperatoria&#44; el cumplimiento de protocolos multimodales y la participaci&#243;n en registros multic&#233;ntricos auditados<a class="elsevierStyleCrossRefs" href="#bib0395"><span class="elsevierStyleSup">28&#8211;30</span></a>&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Registros</span><p id="par0040" class="elsevierStylePara elsevierViewall">Los registros oncol&#243;gicos son &#250;tiles para identificar diferencias en la presentaci&#243;n de la enfermedad y comparar abordajes terap&#233;uticos y resultados entre diferentes &#225;reas geogr&#225;ficas y centros hospitalarios<a class="elsevierStyleCrossRefs" href="#bib0270"><span class="elsevierStyleSup">3&#44;31&#44;32</span></a>&#46; Un estudio comparativo de 5 registros cl&#237;nicos poblacionales dentro del proyecto EURECCA identific&#243; grandes variaciones en el enfoque terap&#233;utico de los pacientes con tumores de la UEG&#58; en el Reino Unido la mayor&#237;a recib&#237;an quimioterapia neoadyuvante &#40;59&#37;&#41;&#44; mientras que en Holanda la quimiorradioterapia era el esquema m&#225;s frecuente &#40;54&#37;&#41;&#59; la resecci&#243;n quir&#250;rgica m&#225;s habitual era la esofaguectom&#237;a transtor&#225;cica en Francia &#40;91&#37;&#41; e Inglaterra &#40;63&#37;&#41;&#44; mientras que en Espa&#241;a se recog&#237;an m&#225;s gastrectom&#237;as totales ampliadas &#40;65&#37;&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">tabla 1</a>&#41;&#46; Estas diferencias pueden explicarse en parte por la localizaci&#243;n tumoral y el grado de preparaci&#243;n de los equipos en cirug&#237;a del t&#243;rax&#46; El registro EURECCA espa&#241;ol analiz&#243; recientemente 2&#46;024 pacientes operados entre 2014 y 2017&#44; de los cuales 241 &#40;12&#37;&#41; eran de la UEG&#46; En ellos se indicaron m&#225;s gastrectom&#237;as totales ampliadas en los tumores tipo Siewert III &#40;94&#37;&#41;&#44; mientras que en los Siewert I y II se realizaron m&#225;s esofaguectom&#237;as tipo Ivor-Lewis &#40;52&#37;&#41; y transhiatales &#40;28&#37;&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">tabla 2</a>&#41;&#46; En cuanto al tratamiento neoadyuvante&#44; la mayor&#237;a de los pacientes con tumores tipo Siewert III recibieron quimioterapia &#40;44&#37;&#41; o cirug&#237;a de entrada &#40;41&#37;&#41;&#44; mientras que en los Siewert I y II se indic&#243; sobre todo quimiorradioterapia &#40;52&#37;&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">tabla 3</a>&#41;&#46; El registro holand&#233;s analiz&#243; 266 tumores resecables de la UEG&#44; de los cuales el 86&#37; fueron tratados mediante esofaguectom&#237;a y el 14&#37; mediante gastrectom&#237;a&#46; En los pacientes con tumores Siewert II &#40;n<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>176&#41;&#44; las gastrectom&#237;as se asociaron a un mayor riesgo de afectaci&#243;n del margen circunferencial esof&#225;gico &#40;29 vs&#46; 11&#37;&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;025&#41; y a linfadenectom&#237;as m&#225;s limitadas &#40;5 vs&#46; 34&#37;&#44; p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;<a class="elsevierStyleCrossRef" href="#bib0420"><span class="elsevierStyleSup">33</span></a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0045" class="elsevierStylePara elsevierViewall">Sin embargo&#44; existen diferencias en la naturaleza de los registros que pueden limitar la interpretaci&#243;n y comparaci&#243;n de los datos&#46; As&#237;&#44; solo en algunos pa&#237;ses los registros son obligatorios y financiados con recursos p&#250;blicos&#58; el DUCA &#40;Holanda&#41;&#44; el FREGAT &#40;Francia&#41; y el NOGCA &#40;Inglaterra e Irlanda&#41;&#59; en el resto de los pa&#237;ses son ocasionales y voluntarios o inexistentes<a class="elsevierStyleCrossRefs" href="#bib0425"><span class="elsevierStyleSup">34&#8211;36</span></a>&#46; Los &#237;tems recogidos no siempre est&#225;n bien definidos ni estandarizados para facilitar su comparaci&#243;n<a class="elsevierStyleCrossRef" href="#bib0440"><span class="elsevierStyleSup">37</span></a>&#46; Adem&#225;s&#44; solo 2 de ellos &#40;el DUCA y el NREV en Suecia&#41; han sido auditados para validar la fiabilidad de los datos<a class="elsevierStyleCrossRefs" href="#bib0425"><span class="elsevierStyleSup">34&#44;38</span></a>&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">En Espa&#241;a&#44; el registro EURECCA de c&#225;ncer gastroesof&#225;gico se inici&#243; en 2013 en Catalu&#241;a y Navarra&#44; aprovechando la centralizaci&#243;n de la enfermedad&#46; Se trata de un registro poblacional y cl&#237;nico&#44; no administrativo como los publicados previamente<a class="elsevierStyleCrossRefs" href="#bib0365"><span class="elsevierStyleSup">22&#44;39</span></a>&#46; En 2015 se incorpor&#243; el Pa&#237;s Vasco y posteriormente La Rioja&#44; coincidiendo con el paso del registro a prospectivo <span class="elsevierStyleItalic">on-line</span> y la definici&#243;n m&#225;s precisa y estandarizada de los &#237;tems siguiendo las recomendaciones por consenso de grupos internacionales<a class="elsevierStyleCrossRefs" href="#bib0290"><span class="elsevierStyleSup">7&#44;40&#8211;43</span></a>&#46; Hoy en d&#237;a forman parte del registro EURECCA espa&#241;ol 30 hospitales de 4 comunidades y est&#225; en marcha una auditor&#237;a&#44; siguiendo el modelo del NREV sueco&#44; para asegurar la veracidad y coherencia de los datos<a class="elsevierStyleCrossRef" href="#bib0445"><span class="elsevierStyleSup">38</span></a>&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Formaci&#243;n</span><p id="par0055" class="elsevierStylePara elsevierViewall">Es imposible contemplar el proceso de centralizaci&#243;n de la patolog&#237;a oncol&#243;gica sin afrontar los nuevos desaf&#237;os de los centros de referencia&#46; El tratamiento quir&#250;rgico y multimodal de los tumores de la UEG es complejo&#44; lo que hace precisa la formaci&#243;n espec&#237;fica de los equipos responsables<a class="elsevierStyleCrossRef" href="#bib0340"><span class="elsevierStyleSup">17</span></a>&#46; La <span class="elsevierStyleItalic">Union Europ&#233;ene des M&#233;dicins Sp&#233;cialistes</span> &#40;<a href="http://www.uems.eu/">www&#46;uems&#46;eu</a>&#41; recomienda que la formaci&#243;n especializada de posgrado sea acreditada&#44; incluyendo estancias en centros cualificados <span class="elsevierStyleItalic">&#40;fellowships&#41;</span> y ex&#225;menes&#46; Tanto el <span class="elsevierStyleItalic">American College of Surgeons</span> &#40;<a href="http://www.facs.org/education/resources/medical-students/postres">http&#58;&#47;&#47;www&#46;facs&#46;org&#47;education&#47;resources&#47;medical-students&#47;postres</a>&#41; como la <span class="elsevierStyleItalic">European Society of Surgical Oncology</span> &#40;<a href="https://www.essoweb.org/fellowships/training-fellowships/">https&#58;&#47;&#47;www&#46;essoweb&#46;org&#47;fellowships&#47;training-fellowships&#47;</a>&#41; promueven programas formativos que incluyen <span class="elsevierStyleItalic">fellowships</span> de uno o 2 a&#241;os y buscan asegurar la competencia en indicaci&#243;n&#44; t&#233;cnica quir&#250;rgica&#44; manejo de las complicaciones e investigaci&#243;n&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Pero la formaci&#243;n de los equipos quir&#250;rgicos no debe ser puntual&#44; sino continua y adaptarse a los avances tecnol&#243;gicos&#46; La cirug&#237;a m&#237;nimamente invasiva &#40;CMI&#41; ha ido ganando espacio durante los &#250;ltimos a&#241;os en el tratamiento del c&#225;ncer esof&#225;gico y de la UEG<a class="elsevierStyleCrossRefs" href="#bib0475"><span class="elsevierStyleSup">44-47</span></a>&#46; Sin embargo&#44; es t&#233;cnicamente m&#225;s compleja que la cirug&#237;a abierta y se asocia a una curva de aprendizaje durante la que puede verse comprometida la radicalidad oncol&#243;gica y aumentar la morbilidad postoperatoria y la tasa de reintervenciones<a class="elsevierStyleCrossRefs" href="#bib0495"><span class="elsevierStyleSup">48&#8211;51</span></a>&#46; Los programas formativos denominados de <span class="elsevierStyleItalic">mentorship</span> o <span class="elsevierStyleItalic">proctorship</span> pretenden minimizar el impacto sobre el paciente de estas curvas de aprendizaje en CMI mediante un proceso de implicaci&#243;n progresiva y tutorizada de los cirujanos antes de su ejercicio aut&#243;nomo&#44; sin olvidar que la radicalidad oncol&#243;gica y la seguridad del paciente deben primar sobre el tipo de abordaje&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">En Holanda se inici&#243; en 2003 un programa formativo nacional para las esofaguectom&#237;as m&#237;nimamente invasivas asistidas por robot &#40;RAMIE&#41;&#46; Primero se estudi&#243; prospectivamente el tiempo quir&#250;rgico&#44; la p&#233;rdida sangu&#237;nea y la tasa de conversi&#243;n de los &#171;mentores&#187; y se valor&#243; cu&#225;ntas intervenciones se precisaban para que dichos par&#225;metros alcanzasen valores iguales o por encima de la media&#46; La curva de aprendizaje de los mentores se complet&#243; tras 70 procedimientos en 5 a&#241;os&#46; En una segunda fase se incorporaron los &#171;alumnos&#187;&#44; sucesivamente espectadores y ayudantes de los mentores&#44; pasando despu&#233;s a ser ayudados por ellos y&#44; por &#250;ltimo&#44; aut&#243;nomos con supervisi&#243;n&#46; La curva de aprendizaje de los alumnos precis&#243; 24 procedimientos durante un a&#241;o&#44; un 70&#37; menos que sus mentores&#44; al ser ayudados y supervisados por ellos<a class="elsevierStyleCrossRef" href="#bib0285"><span class="elsevierStyleSup">6</span></a>&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">En Espa&#241;a&#44; el registro EURECCA ha mostrado que solo el 37&#37; de las gastrectom&#237;as y el 41&#37; de las esofaguectom&#237;as se realizan por CMI &#40;datos no publicados&#41;&#46; El grupo EURECCA espa&#241;ol cre&#243; un comit&#233; de formaci&#243;n que ha dise&#241;ado un programa basado en el formato de &#171;inmersiones cl&#237;nicas&#187;&#44; que combina la cirug&#237;a en directo con sesiones cl&#237;nicas interactivas&#44; dirigido a cirujanos experimentados en cirug&#237;a abierta de los tumores de est&#243;mago&#44; es&#243;fago y UEG&#44; con la voluntad de iniciarse o mejorar su pr&#225;ctica en CMI&#46; Dicha iniciativa parte del supuesto de que el equipo iniciado realizar&#225; un m&#237;nimo de procedimientos anuales que garanticen su continuidad&#46; El objetivo de este y otros programas formativos debe ser que los pacientes puedan acabar benefici&#225;ndose de las ventajas de la CMI sin que la curva de aprendizaje del equipo quir&#250;rgico comprometa su seguridad ni la supervivencia de los pacientes&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">En conclusi&#243;n&#44; los registros quir&#250;rgicos multic&#233;ntricos permiten conocer la variabilidad existente en los procesos y resultados del tratamiento de los tumores de la UEG&#46; Una de las principales medidas destinadas a reducir esta variabilidad mejorando los resultados globales es la centralizaci&#243;n de la enfermedad en centros de referencia&#44; proceso que debe basarse en el cumplimiento de unos est&#225;ndares de calidad por parte de las unidades especializadas e ir acompa&#241;ada de la armonizaci&#243;n de protocolos terap&#233;uticos&#46; La CMI en manos de cirujanos experimentados puede disminuir la morbilidad postoperatoria sin comprometer la supervivencia&#44; pero es t&#233;cnicamente m&#225;s demandante&#46; Los programas de formaci&#243;n quir&#250;rgica tutelada <span class="elsevierStyleItalic">&#40;mentorship&#41;</span> permiten incorporar la CMI a la pr&#225;ctica de los equipos de referencia sin que la curva de aprendizaje condicione la morbimortalidad ni la radicalidad oncol&#243;gica&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Conflicto de intereses</span><p id="par0080" class="elsevierStylePara elsevierViewall">Los autores declaran no tener ning&#250;n conflicto de intereses&#46;</p></span></span>"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">El tratamiento quir&#250;rgico de los adenocarcinomas de la uni&#243;n esofagog&#225;strica se basa en gastrectom&#237;as totales o esofaguectom&#237;as oncol&#243;gicas&#44; procedimientos de alta complejidad y considerable morbimortalidad&#46; Los datos obtenidos del an&#225;lisis de registros quir&#250;rgicos poblacionales muestran una elevada variabilidad en el enfoque terap&#233;utico y los resultados entre diferentes centros hospitalarios y zonas geogr&#225;ficas&#46; Una de las principales medidas destinadas a reducir esta variabilidad&#44; mejorando los resultados globales&#44; es la centralizaci&#243;n de la enfermedad en centros de referencia&#44; proceso que debe basarse en el cumplimiento de unos est&#225;ndares de calidad e ir acompa&#241;ada de la armonizaci&#243;n de protocolos terap&#233;uticos&#46; La cirug&#237;a m&#237;nimamente invasiva puede disminuir la morbilidad postoperatoria sin comprometer la supervivencia&#44; pero es t&#233;cnicamente m&#225;s demandante que la cirug&#237;a abierta&#46; Los programas de formaci&#243;n quir&#250;rgica tutelada permiten incorporar la cirug&#237;a m&#237;nimamente invasiva a la pr&#225;ctica de los equipos quir&#250;rgicos sin que la curva de aprendizaje condicione la morbimortalidad ni la radicalidad oncol&#243;gica&#46;</p></span>"
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        "titulo" => "Abstract"
        "resumen" => "<span id="abst0010" class="elsevierStyleSection elsevierViewall"><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Surgical treatment of oesophagogastric junction adenocarcinomas is based on total gastrectomies or oesophagectomies&#44; which are complex procedures with potentially high morbidity and mortality&#46; Population-based registers show a considerable variability of protocols and outcomes among different hospitals and regions&#46; One of the main strategies to improve global results is centralization at high-volume&#160;hospitals&#44; a process that should take into account the benchmarking of processes and outcomes at referral hospitals&#46; Minimally invasive surgery can improve postoperative morbidity while maintaining oncological guaranties&#44; but is technically more demanding than open surgery&#46; This fact underlines the need for structured training and&#160;mentorship&#160;programs that minimize the impact of surgical teams&#8217; training curves without affecting morbidity&#44; mortality or oncologic radicality&#46;</p></span>"
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                  \t\t\t\t">0&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">Total&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">67 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">72 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">102 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
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          "es" => "<p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Resultados del registro EURECCA espa&#241;ol 2014-2017&#58; t&#233;cnica quir&#250;rgica indicada para los tumores de la uni&#243;n esofagog&#225;strica seg&#250;n localizaci&#243;n &#40;n<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>241&#41;&#44; datos no publicados</p>"
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          "leyenda" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Valores expresados como n &#40;&#37;&#41;&#46;En negrita se destacan las variables m&#225;s frecuentes para cada caso&#46;</p>"
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">Cirug&#237;a primero&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleBold">42 &#40;41&#44;2&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">Radioterapia<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>quimioterapia&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleBold">37 &#40;55&#44;2&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleBold">35 &#40;48&#44;6&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">15 &#40;14&#44;7&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">2 &#40;3&#41;&nbsp;\t\t\t\t\t\t\n
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          "es" => "<p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Resultados del registro EURECCA espa&#241;ol 2014-2017&#58; tratamiento neoadyuvante indicado para los tumores de la uni&#243;n esofagog&#225;strica seg&#250;n localizaci&#243;n &#40;n<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>241&#41;&#44; datos no publicados</p>"
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                      "titulo" => "International consensus on standardization of data collection for complications associated with esophagectomy&#58; Esophagectomy Complications Consensus Group &#40;ECCG&#41;"
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Información del artículo
ISSN: 0009739X
Idioma original: Español
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