<?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>S1870-72032019000100007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la dexametasona en la duración del bloqueo neuromuscular producido por el rocuronio]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of dexamethasone on the duration of the neuromuscular blockade produced by rocuronium]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vara Fuentes]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Elizalde Flores]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado Carlo]]></surname>
<given-names><![CDATA[Mirna Magali]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinto Segura]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López González]]></surname>
<given-names><![CDATA[Michelle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Clínica Londres  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Hospital &#8220;General Ignacio Zaragoza&#8221; ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad La Salle División de Postgrado Facultad Mexicana de Medicina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>17</volume>
<numero>1</numero>
<fpage>7</fpage>
<lpage>14</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032019000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032019000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032019000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La monodosis de glucocorticoides mejora la evolución del paciente bajo anestesia, pero su administración prolongada disminuye la duración del bloqueo neuromuscular.  Objetivo:  Determinar el efecto de una monodosis de dexametasona en la duración del bloqueo neuromuscular inducido con rocuronio.  Material y métodos:  Estudio observacional, aleatorizado, longitudinal y prospectivo. Pacientes que recibieron una monodosis de dexametasona (200 &#956;g/kg) una hora antes de la cirugía (grupo A), en la inducción anestésica (grupo B) y en la recuperación del bloqueo neuromuscular (grupo C). El grado de bloqueo neuromuscular fue evaluado con el monitor TOF-Watch®SX. Se midió la transmisión neuromuscular basal y después de administrar el rocuronio a partir del minuto cero, la máxima depresión del estímulo simple, el inicio de la acción, la duración clínica, el índice de recuperación, el tren de cuatro, la cuenta postetánica y el índice de recuperación &#8805; 0.9 para la extubación.  Resultados:  Se asignaron 12 pacientes por grupo. El grupo A presentó mayor disminución en la duración del bloqueo neuromuscular comparado con el B y el C (índice de recuperación &#8805; 0.9 min): grupo A: 42.6 ± 9.1, B: 49.6 ± 0.4, C: 55 ± 16.2); p &lt; 0.05 grupo A versus B, p &lt; 0.05 grupo A versus C.  Conclusión:  La monodosis de dexametasona disminuye la duración del bloqueo neuromuscular por rocuronio en 10-20%.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A glucocorticoid monodose improves the patient&#8217;s evolution under anesthesia, but the prolonged administration decreases the duration of the neuromuscular block.  Objective:  To determine the effect of a dexamethasone monodose on the duration of the neuromuscular blockade induced with rocuronium.  Material and methods:  Observational, randomized, longitudinal and prospective study. Patients who received a dexamethasone monodose (200 &#956;g/kg) one hour prior to surgery (group A), in the anesthetic induction (group B) and in the recovery from the neuromuscular block (group C). The degree of neuromuscular block was evaluated with the a TOF-Watch®SX monitor. The neuromuscular transmission was measured at its basal state and after administering rocuronium, starting at minute zero, the maximum depression of the simple stimulus, the onset of action, the clinical duration, the recovery index, the train of four, the postetanic score and the recovery index &#8805; 0.9 for extubation.  Results:  12 patients were assigned per group. Group A had a greater decrease in the duration of the neuromuscular block compared to B and C (recovery index &#8805; 0.9 min): group A: 42.6 ± 9.1, B: 49.6 ± 0.4, C: 55 ± 16.2); p &lt; 0.05 group A versus B. p &lt; 0.05 group A versus C.  Conclusion:  A dexamethasone monodose decreases the duration of the neuromuscular block by rocuronium in 10-20%.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dexametasona y bloqueo neuromuscular]]></kwd>
<kwd lng="es"><![CDATA[rocuronio y dexametasona]]></kwd>
<kwd lng="es"><![CDATA[dexametasona y duración del bloqueo neuromuscular]]></kwd>
<kwd lng="en"><![CDATA[Subcorticoid and neuromuscular blockade]]></kwd>
<kwd lng="en"><![CDATA[rocuronium and dexamethasone]]></kwd>
<kwd lng="en"><![CDATA[dexamethasone and duration of the neuromuscular blockade]]></kwd>
</kwd-group>
</article-meta>
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