<?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>0187-5337</journal-id>
<journal-title><![CDATA[Perinatología y reproducción humana]]></journal-title>
<abbrev-journal-title><![CDATA[Perinatol. Reprod. Hum.]]></abbrev-journal-title>
<issn>0187-5337</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Perinatología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-53372021000200057</article-id>
<article-id pub-id-type="doi">10.24875/per.19000046</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[VNFns vs. CPAPn como métodos de extubación y rescate en recién nacidos con dificultad respiratoria]]></article-title>
<article-title xml:lang="en"><![CDATA[VNFns vs. CPAPn as methods of extubation and rescue in newborns with respiratory distress]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yllescas-Medrano]]></surname>
<given-names><![CDATA[Eucario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Carrocera]]></surname>
<given-names><![CDATA[Luis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bautista-Victoria]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cordero-González]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrera-Muiños]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Perinatología Unidad de Cuidados Intensivos Neonatales ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Perinatología Residencia en Neonatología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>57</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-53372021000200057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-53372021000200057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-53372021000200057&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La ventilación nasofaríngea no sincronizada (VNFns) y la presión positiva continua de la vía área nasal (CPAPn) son métodos de asistencia ventilatoria no invasiva.  Objetivo: Comparar la eficacia de los dos métodos como estrategia de extubación y rescate.  Material y métodos: Pacientes que hubiesen estado en alguna de ambas estrategias del 2008 al 2012, categorizándolos como extubación o rescate y midiendo el éxito o fracaso.  Resultados: El éxito como estrategia de extubación fue del 83.3% para la VNFns contra el 68.7% de la CPAPn (OR: 2.26). Hubo diferencia para VNFns, en relación con los días de hospitalización, con una media de 38.6 contra 65.4 días (p = 0.0001). En cuanto a la displasia broncopulmonar, hubo disminución de riesgo (OR: 0.64; p = 0.01) para la VNFns. Hubo mayor número de complicaciones para la CPAPn, lesión de la columnela, neumomediastino, neumotórax y sangrado nasal. En la VNFns se presentó con mayor frecuencia la hipocarbia.  Conclusión: La VNFns mostró ser una estrategia efectiva y segura, en comparación con la CPAPn.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Non-synchronized nasopharyngeal ventilation (VNFns) and continuous positive pressure of the nasal airway (CPAPn) are methods of non-invasive ventilatory support.  Objective: To compare the efficacy of the two methods as an extubation and rescue strategy.  Material and methods: Patients who had been in one of both strategies from 2008 to 2012, categorizing them as extubation or rescue and measuring success or failure.  Results: Success as an extubation strategy was 83.3% for VNFns against 68.7% for CPAPn (OR: 2.26). There was a difference for VNFns, in relation to hospitalization days, with a mean of 38.6 versus 65.4 days (p = 0.0001). Regarding bronchopulmonary dysplasia, there was a decreased risk (OR: 0.64; p = 0.01) for VNFns. There was a higher number of complications for CPAPn, columella injury, pneumomediastinum, pneumothorax and nasal bleeding. Hypocarbia was more frequent in VNFns.  Conclusion: VNFns was shown to be an effective and safe strategy, compared to CPAPn.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Prematurez]]></kwd>
<kwd lng="es"><![CDATA[CPAPn]]></kwd>
<kwd lng="es"><![CDATA[VNFns]]></kwd>
<kwd lng="es"><![CDATA[Extubación]]></kwd>
<kwd lng="es"><![CDATA[Rescate]]></kwd>
<kwd lng="es"><![CDATA[DBP]]></kwd>
<kwd lng="en"><![CDATA[Prematurity]]></kwd>
<kwd lng="en"><![CDATA[CPAPn]]></kwd>
<kwd lng="en"><![CDATA[VNFns]]></kwd>
<kwd lng="en"><![CDATA[Extubation]]></kwd>
<kwd lng="en"><![CDATA[Rescue]]></kwd>
<kwd lng="en"><![CDATA[DBP]]></kwd>
</kwd-group>
</article-meta>
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