<?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>S1870-72032019000300263</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de Horner secundario a cirugía de columna cervical: una asociación infrecuente]]></article-title>
<article-title xml:lang="en"><![CDATA[Horner&#8217;s syndrome after cervical spine surgery: an uncommon association]]></article-title>
</title-group>
<contrib-group>
<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 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-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles León División de Medicina ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles León División de Cirugía ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>3</numero>
<fpage>263</fpage>
<lpage>267</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000300263&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000300263&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000300263&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El síndrome de Horner consiste en la clásica tríada de blefaroptosis, miosis y anhidrosis facial ipsilateral, asociada con enoftalmos aparente específicamente en pacientes sometidos a discoidectomía cervical y fusión, la incidencia del síndrome de Horner es extraordinaria con reportes que indican incidencia de 0.1 a 0.06%.  Caso clínico:  Mujer de 41 años, quien en el postoperatorio inmediato con abordaje anterolateral derecho del cuello se le efectuó discoidectomía C3-C4 con fijación mediante placa y cuatro tornillos, presentando síndrome de Horner.  Conclusiones:  El conocimiento sólido de la anatomía regional del tronco simpático cervical es fundamental para limitar el síndrome iatrogénico de Horner, por lo que debe procurase una trayectoria en la línea media y realizar la disección subperióstica que facilite la colocación del retractor por debajo del músculo largo del cuello, ya que cualquier retracción o disección lateral de dicho músculo puede provocar la lesión simpática.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Horner&#8217;s syndrome; consists of the classic triad of blepharoptosis, miosis and ipsilateral facial anhidrosis, associated with apparent enophthalmos; specifically in patients undergoing cervical discoidectomy and fusion, the incidence of Horner&#8217;s syndrome is extraordinary with reports indicating an incidence of 0.1 to 0.06%.  Clinical case:  A 41 years old female, who underwent discoidectomy C3-C4 with fixation by means of a plate and four screws, with right anterolateral approach of the neck, in the immediate postoperative period she presented a Horner syndrome.  Conclusions:  The solid knowledge of the regional anatomy of the cervical sympathetic trunk is fundamental to limit the iatrogenic syndrome of Horner, so a trajectory in the midline should be sought and a subperiosteal dissection should be performed to facilitate the placement of the retractor under the longus colli muscle of the neck, since any retraction or lateral dissection of said muscle can cause sympathetic injury.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome de Horner]]></kwd>
<kwd lng="es"><![CDATA[cirugía de columna cervical]]></kwd>
<kwd lng="es"><![CDATA[abordaje anterior]]></kwd>
<kwd lng="en"><![CDATA[Horner syndrome]]></kwd>
<kwd lng="en"><![CDATA[cervical spine surgery]]></kwd>
<kwd lng="en"><![CDATA[anterior approach]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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