<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422024000400034</article-id>
<article-id pub-id-type="doi">10.22201/fm.24484865e.2024.67.4.05</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Doble vena cava superior identificada incidentalmente durante la colocación de catéter venoso central yugular izquierdo. Reporte de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Double Superior Vena Cava Incidentally Identified During Placement of Left Jugular Central Venous Catheter. Case Report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda Morales]]></surname>
<given-names><![CDATA[Zaira Artemisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Acosta]]></surname>
<given-names><![CDATA[Diana Lucia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>67</volume>
<numero>4</numero>
<fpage>34</fpage>
<lpage>40</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422024000400034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422024000400034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422024000400034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La doble vena cava es la anomalía torácica más común, se da principalmente por persistencia de la vena cava superior izquierda y suelen describirse de manera incidental después de la colocación de accesos venosos centrales.  Objetivo: Presentación de caso clínico donde se identifica doble vena cava superior después de colocar un catéter tipo Mahurkar.  Caso clínico: Hombre de 54 años que ingresó al servicio de nefrología con diagnóstico de infección asociada a angioacceso, se colocó catéter Mahurkar sin complicaciones, y se observó localización atípica mediante radiografía de tórax, por lo que se solicitó angiotomografía la cual reportó imágenes sugerentes de persistencia de vena cava superior izquierda con catéter venoso central en su interior.  Discusión: En la mayoría de casos, la identificación de doble vena cava superior se presenta de forma incidental tras la colocación de un acceso venoso central, después de la toma de una radiografía simple de tórax, donde se logra observar una vena cava superior izquierda persistente y se puede acompañar de otras anomalías.  Conclusiones: Conocer las posibles alteraciones vasculares ayuda a prevenir complicaciones durante los procedimientos como la colocación de catéter venoso central.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Double vena cava is the most common thoracic abnormality and is mainly caused by persistence of the left superior vena cava and are usually described incidentally after placement of central venous accesses.  Objective: Presentation of a clinical case where a double superior vena cava was identified after the placement of a Mahurkar-type catheter.  Clinical case: A 54-year-old man was admitted to the nephrology department with a diagnosis of angioaccess-associated infection. Mahurkar catheter was placed without complications, atypical location was observed by chest X-ray, so CT angiography was requested suggestive images of left superior vena cava persistence with a central venous catheter inside are reported.  Discussion: The identification of superior double vena cava in most cases occurs incidentally after the placement of a central venous access, after taking a plain chest x-ray where a persistent left superior vena cava can be observed, and it may be accompanied by other abnormalities.  Conclusions: Knowing the possible vascular alterations helps prevent complications during procedures such as central venous catheter placement.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Doble vena cava]]></kwd>
<kwd lng="es"><![CDATA[catéter venoso central]]></kwd>
<kwd lng="es"><![CDATA[vena cava superior]]></kwd>
<kwd lng="en"><![CDATA[Double vena cava]]></kwd>
<kwd lng="en"><![CDATA[central venous catheter]]></kwd>
<kwd lng="en"><![CDATA[superior vena cava]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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