<?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>0484-7903</journal-id>
<journal-title><![CDATA[Revista mexicana de anestesiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. anestesiol.]]></abbrev-journal-title>
<issn>0484-7903</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Anestesiología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0484-79032024000100046</article-id>
<article-id pub-id-type="doi">10.35366/114097</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Anestesia del tronco encefálico posterior a bloqueo retrobulbar en cirugía oftalmológica. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Brainstem anesthesia after retrobulbar block in ophthalmic surgery. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huerta-López]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Médico Nacional La Raza Hospital de Especialidades «Dr. Antonio Fraga Mouret» ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>47</volume>
<numero>1</numero>
<fpage>46</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0484-79032024000100046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0484-79032024000100046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0484-79032024000100046&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La morbimortalidad perioperatoria en cirugía oftalmológica es baja, considerando que la mayor parte de la población que requiere estos procedimientos son pacientes de edad avanzada con múltiples comorbilidades. Embriológicamente el nervio óptico y las capas meníngeas que lo recubren se derivan del ectodermo y están estrechamente relacionadas con las capas meníngeas que recubren al sistema nervioso central, de esta forma la punción inadvertida de las mismas durante los bloqueos orbitarios provocan diseminación del fármaco por medio del líquido cefalorraquídeo a través del espacio subaracnoideo hasta el tronco encefálico. Se reporta el caso de paciente femenino de 61 años de edad, programada para lavado de cámara vítrea en ojo izquierdo. La técnica anestésica fue sedación más bloqueo retrobulbar; posterior a dicho procedimiento, se observa deterioro neurológico, alteraciones cardiovasculares, disminución de la saturación de oxígeno manteniendo ventilación espontánea, pero con obstrucción de la vía aérea; se da apoyo ventilatorio y se administra antihipertensivo, respondiendo favorablemente 40 minutos después del bloqueo retrobulbar. La relación entre un bloqueo orbitario y la aparición de sintomatología neurológica, cardiovascular y/o respiratoria debe suscitar sospechas de anestesia del tronco encefálico. Lo más importante es el reconocimiento y atención temprana de esta complicación para evitar secuelas neurológicas, cardiovasculares o incluso la muerte.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Perioperative morbidity and mortality in ophthalmic surgery is low, considering that most of the population that requires these procedures are elderly patients with multiple comorbidities. Embryologically, the optic nerve and the meningeal sheaths that cover it originate from the ectoderm, are closely related to the meningeal layers that cover the central nervous system, whereby their inadvertent puncture during orbital blocks causes drug spread by the cerebrospinal fluid through the subarachnoid space to the brainstem. The case of a 61-year-old female patient is reported, programmed for lavage of the left eye vitreous chamber. The anesthetic technique was sedation and retrobulbar block; after this procedure, neurological impairment, cardiovascular alterations, decreased oxygen saturation were observed, maintaining spontaneous ventilation but with airway obstruction; ventilatory support is given and antihypertensive is administered, responding favorably 40 minutes after retrobulbar block. The relationship between an orbital block and the appearance of neurological, cardiovascular or respiratory symptoms should raise suspicion of brainstem anesthesia. The most important thing is early recognition and attention to this complication, to avoid neurological and cardiovascular sequelae or even death.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cirugía oftalmológica]]></kwd>
<kwd lng="es"><![CDATA[bloqueo retrobulbar]]></kwd>
<kwd lng="es"><![CDATA[anestesia tronco encefálico]]></kwd>
<kwd lng="en"><![CDATA[ophthalmic surgery]]></kwd>
<kwd lng="en"><![CDATA[retrobulbar block]]></kwd>
<kwd lng="en"><![CDATA[brain stem anesthesia]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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