<?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>0003-3170</journal-id>
<journal-title><![CDATA[Angiología]]></journal-title>
<abbrev-journal-title><![CDATA[Angiología]]></abbrev-journal-title>
<issn>0003-3170</issn>
<publisher>
<publisher-name><![CDATA[Arán Ediciones S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0003-31702023000200005</article-id>
<article-id pub-id-type="doi">10.20960/angiologia.00418</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bypass in situ distal]]></article-title>
<article-title xml:lang="en"><![CDATA[Distal bypass in situ]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tapia-López]]></surname>
<given-names><![CDATA[Yolanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-González]]></surname>
<given-names><![CDATA[Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Fajardo]]></surname>
<given-names><![CDATA[José A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario 12 de Octubre Servicio de Angiología, Cirugía Vascular y Endovascular ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>75</volume>
<numero>2</numero>
<fpage>97</fpage>
<lpage>100</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0003-31702023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0003-31702023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0003-31702023000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La revascularización distal de las extremidades inferiores siempre fue motivo de controversia en la década de los años ochenta del siglo pasado entre los que defendían el bypass de vena safena invertida frente al bypass de vena safena in situ, aunque los resultados, como se demostró posteriormente, fueron similares. Lo importante era el material sustitutivo (la vena autóloga) y la técnica de revascularización del cirujano. El bypass in situ permitía una disposición anatómica sin generar disparidad de calibres en la parte proximal y distal de las anastomosis vasculares, lo que evitaba el riesgo de torsiones. Es cierto que comportaba riesgos secundarios, como la persistencia de fístulas arteriovenosas y la necesidad inherente de rasgar las válvulas venosas. Diversos artilugios y métodos se usaron a lo largo del tiempo, pero finalmente el valvulotomo de Lemaitre se estableció como uno de los más seguros. Los autores de este artículo describen cómo lo hacen y señalan los puntos críticos para optimizar el resultado, si bien son conscientes de que habrá variantes entre grupos quirúrgicos, pero manteniendo la esencia del procedimiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Distal revascularization of the lower extremities was always a source of controversy in the 1980s among those who advocated reverse saphenous vein bypass versus in situ saphenous vein bypass, although the late results demonstrated that both approaches were similar. The important fact was the substitute material (the autologous vein) and the revascularization technique of the vascular surgeon. The in-situ bypass allowed an anatomical position without produces caliber disparity in the proximal and distal vascular anastomoses, avoiding the risk of twisting. It is true that it carried secondary risks such as the persistence of arteriovenous fistulas and the inherent need to tear the venous valves. Various methods were used over time, but eventually Lemaitre's valvulotome established itself as one of the safest. The authors of this article describe how they do it and point out the critical points to optimize the result, although they are aware that there will be variations between surgical groups, but maintaining the essence of the procedure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bypass de vena safena]]></kwd>
<kwd lng="es"><![CDATA[Bypass in situ]]></kwd>
<kwd lng="en"><![CDATA[Saphenous vein bypass]]></kwd>
<kwd lng="en"><![CDATA[In-situ bypass]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Connolly]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[In situ saphenous vein bypass-forty years later]]></article-title>
<source><![CDATA[World J]]></source>
<year>2005</year>
<volume>29</volume>
<page-range>535-8</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Connolly]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The history of the in situ saphenous bypass]]></article-title>
<source><![CDATA[J Vasc Surg]]></source>
<year>2011</year>
<volume>53</volume>
<page-range>241-4</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gruss]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Bartels]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Karadedos]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Schlechtweg]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arterial reconstruction for distal disease of the lower extremities by the in-situ vein graft technique]]></article-title>
<source><![CDATA[J Cardiovasc Surg]]></source>
<year>1982</year>
<volume>23</volume>
<page-range>231-4</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Darling 3rd]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[BB]]></given-names>
</name>
<name>
<surname><![CDATA[Fitzgerald]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
<name>
<surname><![CDATA[Paty]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Leather]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term results of in situ saphenous vein bypass: analysis of 2058 cases]]></article-title>
<source><![CDATA[Ann Surg]]></source>
<year>1995</year>
<volume>222</volume>
<page-range>438-46</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
