<?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>S2444-054X2025000500010</article-id>
<article-id pub-id-type="doi">10.24875/ciru.24000348</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Multilayer flow modulator stents in aortic aneurysms: an overview based on preliminary experience]]></article-title>
<article-title xml:lang="es"><![CDATA[Stents moduladores de flujo multicapa en aneurismas aórticos toracoabdominales: una descripción basada en experiencia preliminar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tanyeli]]></surname>
<given-names><![CDATA[Omer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kaya]]></surname>
<given-names><![CDATA[Sefer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Onur-Beyaz]]></surname>
<given-names><![CDATA[Metin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Demir]]></surname>
<given-names><![CDATA[&#304;brahim]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fansa]]></surname>
<given-names><![CDATA[Iyad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[K&#305;rba&#351;]]></surname>
<given-names><![CDATA[Ahmet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gormus]]></surname>
<given-names><![CDATA[Niyazi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Meram Faculty of Medicine Department of Cardiovascular Surgery ]]></institution>
<addr-line><![CDATA[Konya ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hatay Mustafa Kemal University Department of Cardiovascular Surgery ]]></institution>
<addr-line><![CDATA[Hatay ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Kirsehir Education and Research Hospital Department of Cardiovascular Surgery ]]></institution>
<addr-line><![CDATA[Kirsehir ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Health Science University Department of Cardiovascular Surgery ]]></institution>
<addr-line><![CDATA[&#304;stanbul ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2025</year>
</pub-date>
<volume>93</volume>
<numero>5</numero>
<fpage>539</fpage>
<lpage>545</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2025000500010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2025000500010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2025000500010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Analyze the approach of the multilayer flow modulator (MFM) based on the results obtained in patients treated with Stena MFM® (S-MFM).  Methods: It was evaluated 6-month follow-up outcomes of 12 patients (nine men and three females; mean age 60 years, range 34-79 years) underwent aneurysm repair with the S-MFM between July 2022 and December 2022. All patients undergoing S-MFM were patients at high risk of mortality and/or morbidity for open surgical repair and endovascular aneurysm repair, including thoracic Endovascular Aortic Repair (TEVAR) or fenestrated endovascular aortic repair (FEVAR).  Results: The control angiograms confirmed successful patency in the lumen of the main aorta and the branches in all cases. Complete aneurysm thrombosis was detected in all patients on computed tomography angiography at 6-month follow-up. The technical success was 100%, and no case required immediate intervention. Significant complications, such as ruptures, stent migrations, retractions, thrombosis, fractures were not observed.  Conclusions: The present data show the MFM approach may be an attractive alternative for complex aortic aneurysms. While it shrinks the aneurysm sac and protects the side branch blood flow, it reduces mortality and morbidity risks.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Analizar el enfoque del modulador de flujo multicapa basándose en nuestros resultados en pacientes tratados con Stena Multilayer Flow Modulator® (S-MFM).  Métodos: Se evaluaron los resultados del seguimiento a 6 meses de 12 pacientes (9 hombres y 3 mujeres; edad promedio 60 años, rango 34-79 años) sometidos a reparación de aneurisma con S-MFM entre julio de 2022 y diciembre de 2022. Todos los pacientes que recibieron S-MFM eran de alto riesgo de mortalidad o morbilidad para reparación quirúrgica abierta y reparación endovascular, incluyendo reparación aórtica endovascular torácica (TEVAR) o reparación aórtica endovascular fenestrada (FEVAR).  Resultados: Las angiografías de control confirmaron la permeabilidad exitosa en la luz de la aorta principal y las ramas en todos los casos. En el seguimiento de 6 meses, en la angiografía por tomografía computarizada se detectó trombosis completa del aneurisma en todos los pacientes. El éxito técnico fue del 100% y ningún caso requirió intervención inmediata. No se observaron complicaciones importantes, como roturas, migraciones del stent, retracciones, trombosis o fracturas.  Conclusiones: Los datos actuales muestran que el enfoque del modulador de flujo multicapa puede ser una alternativa atractiva para los aneurismas aórticos complejos. Si bien encoge el saco del aneurisma y protege el flujo sanguíneo de la rama lateral, reduce los riesgos de mortalidad y morbilidad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Aortic aneurysm]]></kwd>
<kwd lng="en"><![CDATA[Multilayer flow modulator]]></kwd>
<kwd lng="en"><![CDATA[Peripheral arterial diseases]]></kwd>
<kwd lng="es"><![CDATA[Aneurisma aórtico]]></kwd>
<kwd lng="es"><![CDATA[Modulador de flujo multicapa]]></kwd>
<kwd lng="es"><![CDATA[Enfermedades arteriales periféricas]]></kwd>
</kwd-group>
</article-meta>
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