<?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>S0484-79032023000200111</article-id>
<article-id pub-id-type="doi">10.35366/110196</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Menor aerolización con bloqueo del nervio laríngeo superior comparado con lidocaína intravenosa a la extubación]]></article-title>
<article-title xml:lang="en"><![CDATA[Less aerolization with superior laryngeal nerve block compared to intravenous lidocaine at extubation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Grijalva]]></surname>
<given-names><![CDATA[Mariana Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidaña-Martínez]]></surname>
<given-names><![CDATA[Gabriela Josefina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Orenday]]></surname>
<given-names><![CDATA[Gloria Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tirado-Aguilar]]></surname>
<given-names><![CDATA[Ricardo Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pierdant-Pérez]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central «Dr. Ignacio Morones Prieto» División de Anestesiología ]]></institution>
<addr-line><![CDATA[San Luis Potosí ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Facultad de Medicina Departamento de Salud Pública y Ciencias Médicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>46</volume>
<numero>2</numero>
<fpage>111</fpage>
<lpage>115</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0484-79032023000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0484-79032023000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0484-79032023000200111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La tos es una respuesta fisiológica de protección de la vía aérea, produce aerosoles que se identifican por imagen y alcanza una velocidad de hasta ocho metros por segundo. La extubación produce tos, hipertensión, taquicardia, apnea y laringoespasmo, existen métodos para minimizar su aparición. Debido a la pandemia de COVID-19 se han utilizado como profilaxis del reflejo tusígeno, la lidocaína intravenosa y el bloqueo del nervio laríngeo superior. El objetivo fue compararlos en la inhibición de la tos.  Material y métodos:  Se seleccionaron pacientes entre 18-60 años, cirugía electiva con anestesia general balanceada, ASA 1-3, con intubación menor a tres horas. Se aleatorizó un total de 90 pacientes, 45 en cada grupo, se eliminó un total de 10 pacientes por presentar inestabilidad hemodinámica al final de la cirugía o por no administrar dosis intravenosa de lidocaína en el tiempo establecido.  Resultados:  No hubo diferencia estadísticamente significativa en el número de pacientes que presentaron tos en ambos grupos (13 vs 10, p = 0.4684), de éstos se obtuvo una diferencia estadísticamente significativa en el número de decibeles a favor del grupo de bloqueo (75.6 vs 67, p &lt; 0.001).  Conclusiones:  El bloqueo (selectivo) presenta menos aerolización que la lidocaína intravenosa en la extubación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Coughing is a physiological response to protect the airway, it produces aerosols that are identified by imaging reaching a speed of up to 8 meters per second. Extubation produces cough, hypertension, tachycardia, apnea and laryngospasm, there are methods to minimize its occurrence. Due to the COVID-19 pandemic, intravenous lidocaine and superior laryngeal nerve block have been used as cough reflex prophylaxis. The aim was to compare them in cough inhibition.  Material and methods:  Patients aged 18-60 years, elective surgery with balanced general anesthesia, ASA 1-3, with intubation less than 3 hours, were selected. A total of 90 patients were randomized, 45 in each group. A total of 10 patients were eliminated because they presented hemodynamic instability at the end of surgery, and because the intravenous dose of lidocaine was not administered within the established time.  Results:  There was no statistically significant difference in the number of patients who presented cough in both groups (13 vs 10, p = 0.4684), of these there was a statistically significant difference in the number of decibels in favor of the block group (75.6 vs 67, p &lt; 0.001).  Conclusions:  Block presents less aerolization than intravenous lidocaine in extubation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bloqueo del nervio laríngeo superior]]></kwd>
<kwd lng="es"><![CDATA[lidocaína intravenosa]]></kwd>
<kwd lng="es"><![CDATA[tos]]></kwd>
<kwd lng="es"><![CDATA[aerolización]]></kwd>
<kwd lng="es"><![CDATA[extubación]]></kwd>
<kwd lng="en"><![CDATA[superior laryngeal nerve block]]></kwd>
<kwd lng="en"><![CDATA[intravenous lidocaine]]></kwd>
<kwd lng="en"><![CDATA[cough]]></kwd>
<kwd lng="en"><![CDATA[aerolization]]></kwd>
<kwd lng="en"><![CDATA[extubation]]></kwd>
</kwd-group>
</article-meta>
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