<?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>S2444-054X2025000300003</article-id>
<article-id pub-id-type="doi">10.24875/ciru.23000400</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Sleeve gastrectomy improves HDL function examined by Apo-A1 and atherogenic indices in non-diabetic obese patients]]></article-title>
<article-title xml:lang="es"><![CDATA[La gastrectomía en manga mejora la función HDL examinada por Apo-A1 e índices aterogénicos en pacientes obesos no diabéticos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ozener]]></surname>
<given-names><![CDATA[Onur]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yilmaz]]></surname>
<given-names><![CDATA[Esin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yilmaz]]></surname>
<given-names><![CDATA[Necat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mayir]]></surname>
<given-names><![CDATA[Burhan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Department of General Surgery Department of General Surgery ]]></institution>
<addr-line><![CDATA[Antalya ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Antalya Training and Research Hospital Department of Biochemistry ]]></institution>
<addr-line><![CDATA[Antalya ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>93</volume>
<numero>3</numero>
<fpage>259</fpage>
<lpage>266</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2025000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2025000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2025000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Dysregulation of lipid metabolism can be one of the pathophysiological mechanisms linking high-density lipoprotein cholesterol (HDL-C) dysfunction to obesity. The aim of the study is to show possible changes in lipid metabolism with atherogenic indices in obese patients after sleeve gastrectomy (SG) surgery.  Method: Thirty patients who had SG surgery for obesity were included in the prospective study. The atherogenic risk indices were calculated pre-operatively, at 3 and 6 months post-operatively. Furthermore, serum paraoxonase-1 (PON-1), apolipoprotein-A1 (Apo-A1), and platelet-activating factor acetylhydrolase (PAF-AH) levels, amount of oxidized low-density lipoprotein (Ox-LDL) was measured.  Results: We observed improvement in atherogenic risk indices and improved HDL-C functionality after SG. Increases were observed in HDL-C and HDL-C-related Apo-A1 levels 6 months after obesity surgery. Besides, the amount of serum triglycerides (TGs), PON-1 activity, and atherogenic risk indices decreased significantly within 6 months.  Conclusion: As far as we know, there is no study in the literature examining the dynamic changes in SG and PON-1, PAF-AH, Apo-A1, and Ox-LDL parameters. This preliminary study dynamically detected improvement in HDL-C function and reduction in atherogenic risk indices after SG.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: La desregulación del metabolismo de los lípidos puede ser uno de los mecanismos fisiopatológicos que relacionan la disfunción del colesterol vinculado a lipoproteínas de alta densidad (c-HDL) con la obesidad. El objetivo del estudio es mostrar posibles cambios en el metabolismo de los lípidos con índices aterogénicos en pacientes obesos después de la cirugía de gastrectomía en manga (SG).  Método: Los índices de riesgo aterogénico se calcularon en el pre-operatorio, y a los tres y seis meses del post-operatorio. Además, se midieron los niveles séricos de PON-1, apolipoproteína A1 (Apo-A1) y factor activador de acetilhidrolasa (PAF-AH), y la cantidad de lipoproteína de baja densidad oxidada (Ox-LDL).  Resultados: Observamos una mejora en los índices de riesgo aterogénico y en la funcionalidad del c-HDL después de la SG, así como aumentos en los niveles de c-HDL y Apo-A1 relacionados con el c-HDL seis meses después de la cirugía de obesidad. Además, la cantidad de triglicéridos séricos, la actividad de PON-1 y los índices de riesgo aterogénico disminuyeron significativamente en seis meses.  Conclusión: Hasta donde sabemos, no hay ningún estudio en la literatura que examine los cambios dinámicos en los parámetros SG y PON-1, PAF-AH, Apo-A1 y Ox-LDL. Este estudio preliminar detectó dinámicamente una mejora en la función del c-HDL y una reducción en los índices de riesgo aterogénico después de SG.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Obesity]]></kwd>
<kwd lng="en"><![CDATA[High-density lipoprotein cholesterol]]></kwd>
<kwd lng="en"><![CDATA[Apo-A1]]></kwd>
<kwd lng="en"><![CDATA[Atherogenic risk indices]]></kwd>
<kwd lng="es"><![CDATA[Obesidad]]></kwd>
<kwd lng="es"><![CDATA[Colesterol vinculado a lipoproteínas de alta densidad]]></kwd>
<kwd lng="es"><![CDATA[Apo-A1]]></kwd>
<kwd lng="es"><![CDATA[Índices de riesgo aterogénico]]></kwd>
</kwd-group>
</article-meta>
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