<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032023000100083</article-id>
<article-id pub-id-type="doi">10.35366/109030</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lesión de arteria segmentaria lumbar por tornillo transpedicular]]></article-title>
<article-title xml:lang="en"><![CDATA[Lumbar segmental artery injury due to transpedicular screw]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcocer Maldonado]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Carrillo]]></surname>
<given-names><![CDATA[Luis Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles León División de Neurocirugía ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato Facultad de Medicina de León ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>83</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032023000100083&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032023000100083&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032023000100083&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  actualmente, la fusión instrumentada lumbar por vía posterior se utiliza con mucha frecuencia. Una de sus complicaciones es la incorrecta colocación de los tornillos pediculares.  Caso clínico:  paciente masculino de 57 años, el cual presentó sangrado importante tras la introducción de un tornillo pedicular lumbar durante cirugía por estenosis de canal lumbar. La incorrecta introducción del tornillo originó la inestabilidad hemodinámica intraoperatoria por lesión de la arteria segmentaria lumbar ocasionando hematoma del músculo psoas, además de sintomatología neurológica de nervios periféricos relacionados, llegando al diagnóstico por tomografía computarizada, con resolución mediante tratamiento conservador.  Conclusión:  la cirugía del dolor lumbar y fijación con tornillos pediculares es un procedimiento frecuente, efectivo y seguro; sin embargo, en caso de sangrado incontrolable en la introducción de los tornillos hay que tener en cuenta el daño vascular.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  currently, posterior instrumented lumbar fusion is very frequently used. One of its complications is the poor position of the pedicle screws.  Case report:  a 57-year-old male presented significant bleeding after introducing a lumbar pedicle screw during surgery for lumbar canal stenosis. The wrong position of the screw caused intraoperative hemodynamic instability due to injury to the lumbar segmental artery, causing hematoma of the psoas muscle, in addition to neurological symptoms of related peripheral nerves, reaching the diagnosis by computed tomography, with the resolution by conservative treatment.  Conclusion:  surgery for low back pain and fixation with pedicle screws is a frequent, effective, and safe procedure; however, in case of uncontrollable bleeding when the screws are inserted, vascular damage must be considered.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hematoma del psoas]]></kwd>
<kwd lng="es"><![CDATA[complicaciones por tornillos transpediculares]]></kwd>
<kwd lng="es"><![CDATA[lesión vascular]]></kwd>
<kwd lng="en"><![CDATA[psoas hematoma]]></kwd>
<kwd lng="en"><![CDATA[pedicle screw complications]]></kwd>
<kwd lng="en"><![CDATA[vascular injury]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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</back>
</article>
