<?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>S0003-31702021000500003</article-id>
<article-id pub-id-type="doi">10.20960/angiologia.00269</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio experimental in vitro de la técnica del stent paralelo en la reparación endovascular de los aneurismas complejos de la aorta abdominal]]></article-title>
<article-title xml:lang="en"><![CDATA[Experimental in vitro study of parallel stent technique in endovascular repair of complex abdominal aortic aneurysms]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yugueros Castellnou]]></surname>
<given-names><![CDATA[Xavier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Barcelona Hospital Clínic de Barcelona ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>73</volume>
<numero>5</numero>
<fpage>228</fpage>
<lpage>238</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0003-31702021000500003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0003-31702021000500003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0003-31702021000500003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de este estudio ha sido evaluar mediante modelos in vitro, dos configuraciones distintas de stent paralelo: en 2 y 3 chimeneas viscerales (chEVAR) y en configuración tipo sándwich para preservar la arteria hipogástrica y analizar cuál es la mejor combinación de materiales, el grado óptimo de sobredimensión y la mejor técnica de medición de esta última. Respecto a la configuración en 2-3 chimeneas, los resultados mostraron una mejor adaptación general de los componentes a sobredimensiones crecientes con una menor tasa de compresión en las combinaciones de alta fuerza radial aunque a expensas de un significativo peor sellado. Respecto a la configuración en sándwich, los resultados mostraron también una reducción de las zonas de mal sellado a mayor sobredimensión aunque a expensas de una mayor compresión y de un mayor replegado, sin diferencias significativas con los distintos dispositivos utilizados. Respecto a la medición de la sobredimensión, se obtuvo una correlación prácticamente perfecta entre la sobredimensión de áreas (clásicamente descrita) con la de perímetros y de diámetros. En conclusión, los resultados de este estudio in vitro pueden ser de utilidad en la planificación de procedimientos reales de EVAR con stent paralelo ante la ausencia de evidencia actual que soporte unas recomendaciones específicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The aim of this study was evaluate using in vitro models, two different configurations of parallel stenting: 2 and 3 visceral chimneys (chEVAR) and in a sandwich configuration to preserve the hypogastric artery, analysing which is the best combination of materials, the optimal oversizing and the best measurement method. Regarding 2-3 chimney configuration, our results showed a better adaptation of the devices with increasing oversizing with a lower compression rate in high radial force combinations, although with a significantly worse sealing. Regarding sandwich configuration, our results also showed gutter area reduction when increasing oversizing although higher compression rate and inflodin, without significant differences between the devices used. Regarding oversizing measuring methods, a practically perfect correlation was obtained between area oversizing (classically described) and perimeter and diameter oversizing. In conclusion, the results of this in vitro study may be useful in planning real EVAR procedures with parallel stenting in the absence of current evidence to support specific recommendations.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Stent paralelo]]></kwd>
<kwd lng="es"><![CDATA[Chimenea]]></kwd>
<kwd lng="es"><![CDATA[chEVAR]]></kwd>
<kwd lng="es"><![CDATA[Sándwich]]></kwd>
<kwd lng="es"><![CDATA[Sobredimensión]]></kwd>
<kwd lng="en"><![CDATA[Parallel stenting]]></kwd>
<kwd lng="en"><![CDATA[Chimney]]></kwd>
<kwd lng="en"><![CDATA[chEVAR]]></kwd>
<kwd lng="en"><![CDATA[Sandwich]]></kwd>
<kwd lng="en"><![CDATA[Oversizing]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Impact of aortic stent-graft oversizing on outcomes of the chimney endovascular technique based on a new analysis of the PERICLES Registry]]></article-title>
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</article>
