<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2021000600797</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20001069</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Outcomes of vascular allograft transplants in the autonomous community of Catalonia, Spain]]></article-title>
<article-title xml:lang="es"><![CDATA[Resultados de los transplantes de aloinjertos vasculares en la comunidad autonoma de Cataluña, España]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Noriega]]></surname>
<given-names><![CDATA[Kerbi A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villamizar]]></surname>
<given-names><![CDATA[María Angelica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Rios]]></surname>
<given-names><![CDATA[Juan G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pomar]]></surname>
<given-names><![CDATA[Jose L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Parc Tauli University Hospital Department of Vascular Surgery ]]></institution>
<addr-line><![CDATA[Sabadell ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Santa Creu i Sant Pau Department of Anesthesiology ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Clinic i Provincial Department of Cardiovascular Surgery ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>89</volume>
<numero>6</numero>
<fpage>797</fpage>
<lpage>805</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2021000600797&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2021000600797&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2021000600797&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: The transplantation of tissues is a developing practice. Improving cryopreservation techniques and emerging of new immunobiology concepts have let to establish the transplant of vascular allografts as a suitable alternative. This study aims to expose the Catalan experience in vascular allograft transplantation by disclosing basic data about clinical outcomes.  Materials and Methods: Data about vascular allografts transplants was gathered from the Registry of Vascular and Valvular Transplantation of Catalonia, Spain. Basic data regards to clinical outcomes are presented. Kaplan&#8211;Meier and statistical analysis were performed using SPSS Ver. 20 for Mac (Chicago USA).  Results: One hundred and seventy-one adults were transplanted. The overall 5-year SR was 51.5%. Survival (SR) differs with the territory revascularized, ranging from 37.5% to 55.6% at five years. Major adverse limb event-free rate ranges from 13.3% to 50.1% according to the area treated. The Primary patency rate is higher in the supra-inguinal revascularization and lowers when a distal vessel target is treated.  Conclusion: Only one guideline-supported indication is currently done for allografts, and our results match with this indication. Our results are extensive and susceptible to analysis to address future projects, which are required to reconsider new or specific indications. More studies are needed to clarify the outcomes of arterial allografts.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: El trasplante de tejido es una practica clínica en crecimiento. Las mejoras en técnicas de criopreservación y los nuevos conceptos sobre inmunobiología ha permitido que el trasplante vascular sea una alternativa a considerar. Este estudio expone la experiencia catalana en trasplante de tejido vascular mediante la exposición de datos clínicos.  Materiales and Métodos: Los datos sobre trasplantes de aloinjertos vasculares se obtuvieron del Registro de trasplantes vasculares y valvulares de Cataluña, España (ReVAC). Se presentan datos básicos relacionados con los resultados clínicos. Kaplan Meier y el análisis estadístico se realizó con SPSS Ver. 20 para Mac (Chicago EE. UU.).  Resultados: 171 adultos fueron trasplantados. La supervivencia a 5 años fue del 51,5%. La supervivencia (SR) difiere con el territorio revascularizado, oscilando entre el 37,5% y el 55,6% a los cinco años. La tasa de sujetos libres de evento mayor en la extremidad (MALE-Free Rate) oscila entre el 13,3% y el 50,1% según la zona tratada. La tasa de permeabilidad primaria es mayor en la revascularización supra-inguinal y menor cuando se trata un vaso diana distal.  Conclusión: En la actualidad, solo hay una indicación de trasplante de aloinjertos respaldada por las guías clínicas y nuestros resultados coinciden con esta indicación. Nuestros resultados son amplios y susceptibles de análisis para abordar proyectos futuros que se requieren para reconsiderar indicaciones nuevas o específicas. Se necesitan más estudios para aclarar los resultados de los aloinjertos arteriales.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cryopreserved allografts]]></kwd>
<kwd lng="en"><![CDATA[Major adverse limb event]]></kwd>
<kwd lng="en"><![CDATA[Chronic limb-threatening ischemia]]></kwd>
<kwd lng="en"><![CDATA[Vascular transplant]]></kwd>
<kwd lng="en"><![CDATA[Vascular tissue]]></kwd>
<kwd lng="es"><![CDATA[Aloinjertos criopreservados]]></kwd>
<kwd lng="es"><![CDATA[MALE-Free rate]]></kwd>
<kwd lng="es"><![CDATA[Isquemia crónica de extremidades inferiores]]></kwd>
<kwd lng="es"><![CDATA[Trasplante vascular]]></kwd>
<kwd lng="es"><![CDATA[Tejido vascular]]></kwd>
</kwd-group>
</article-meta>
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