<?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>S2444-054X2023000100073</article-id>
<article-id pub-id-type="doi">10.24875/ciru.21000563</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of skeletal muscle area and prognostic nutritional index in periampullary tumors]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto del área del músculo esquelético y del índice nutricional pronóstico en los tumores periampulares]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kilinc-Tuncer]]></surname>
<given-names><![CDATA[Gizem]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sert]]></surname>
<given-names><![CDATA[Ismail]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tuncer]]></surname>
<given-names><![CDATA[Korhan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarioglu]]></surname>
<given-names><![CDATA[Orkun]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yesilyurt]]></surname>
<given-names><![CDATA[Degercan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Karaali]]></surname>
<given-names><![CDATA[Cem]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Emiroglu]]></surname>
<given-names><![CDATA[Mustafa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Health Sciences Department of General Surgery ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Izmir Egepol Hospital Department of General Surgery ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Izmir Democracy University Department of Radiology ]]></institution>
<addr-line><![CDATA[Izmir ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<volume>91</volume>
<numero>1</numero>
<fpage>73</fpage>
<lpage>78</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2023000100073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: The skeletal muscle area (SMA) and prognostic nutritional index (PNI) are both considered as predictive parameters for mortality and morbidity for various type of cancer. In this study, we aimed to identify the effects of pre-operative SMA and PNI values on post-operative mortality and morbidity in patients with periampullary region tumors (PRT).  Methods: Patients between 2010 and 2020 were retrospectively analyzed and divided into two groups according to SMA and PNI cutoff values. Univariate and multivariate analysis was performed to find potential risk factors.  Results: The mean age was 65.94 ± 11.242 and 54 (60.6%) of the patients were male. Hypertension was found a reducing factor for morbidity in both univariate and multivariate analysis (p = 0.039; p = 0.045). Chronic obstructive pulmonary disease and low PNI were found as factors affecting mortality in univariate analysis (p = 0.046; p = 0.014). However, only low PNI was found as an enhancing factor for mortality in multivariate analysis.  Conclusion: Although SMA is not a risk factor for post-operative morbidity and mortality, PNI can be considered as a risk factor for mortality in patients with PRT.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El área del músculo esquelético (SMA) y el índice nutricional pronóstico (PNI) se consideran parámetros predictivos de mortalidad y morbilidad para varios tipos de cáncer. En este estudio, nuestro objetivo fue identificar los efectos de los valores preoperatorios de SMA y PNI sobre la mortalidad postoperatoria. y morbilidad en pacientes con tumores de la región periampular (PRT).  Métodos: Los pacientes entre 2010-2020 fueron analizados retrospectivamente y divididos en dos grupos según los valores de corte de SMA y PNI. Se realizaron análisis univariados y multivariados para encontrar posibles factores de riesgo.  Resultados: La edad media fue de 65.94 ± 11.242 y 54 (60.6%) de los pacientes eran varones. Se encontró que la hipertensión es un factor reductor de la morbilidad tanto en el análisis univariado como en el multivariado (p = 0.039; p = 0.045). La EPOC y el PNI bajo se encontraron como factores que influyen en la mortalidad en el análisis univariante (p = 0.046; p = 0.014). Sin embargo, solo el PNI bajo se encontró como un factor potenciador de la mortalidad en el análisis multivariado.  Conclusión: Aunque la SMA no se consideró un factor de riesgo de morbilidad y mortalidad posoperatorias; La PNI puede considerarse un factor de riesgo de mortalidad en pacientes con PRT.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Periampullary region tumor]]></kwd>
<kwd lng="en"><![CDATA[Prognostic nutritional index]]></kwd>
<kwd lng="en"><![CDATA[Skeletal muscle area]]></kwd>
<kwd lng="es"><![CDATA[Tumor de la región periampular]]></kwd>
<kwd lng="es"><![CDATA[Índice nutricional pronóstico]]></kwd>
<kwd lng="es"><![CDATA[Área del músculo esquelético]]></kwd>
</kwd-group>
</article-meta>
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