<?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>0120-3347</journal-id>
<journal-title><![CDATA[Colombian Journal of Anestesiology]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. anestesiol.]]></abbrev-journal-title>
<issn>0120-3347</issn>
<publisher>
<publisher-name><![CDATA[SCARE-Sociedad Colombiana de Anestesiología y Reanimación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-33472018000400309</article-id>
<article-id pub-id-type="doi">10.1097/cj9.0000000000000082</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Incidence of early postanesthetic hypoxemia in the postanesthetic care unit and related factors]]></article-title>
<article-title xml:lang="es"><![CDATA[Incidence of early postanaesthetic hypoxemia in the postanaesthetic care unit and related factors]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintero-Cifuentes]]></surname>
<given-names><![CDATA[Iván Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-López]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Victoria-Cuellar]]></surname>
<given-names><![CDATA[Diego Ferney]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Satizábal-Padridín]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Billefals-Vallejo]]></surname>
<given-names><![CDATA[Einar Sten]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castaño-Ramírez]]></surname>
<given-names><![CDATA[Darío Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltrán-Osorio]]></surname>
<given-names><![CDATA[Luis David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Valle del Lili Anaesthesiology Department ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Icesi Biomedical Research Centre ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Valle del Lili Clinical Research Centre (CIC) ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fundación Valle del Lili  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>46</volume>
<numero>4</numero>
<fpage>309</fpage>
<lpage>316</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472018000400309&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472018000400309&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472018000400309&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Postoperative hypoxemia is a frequent adverse event in the postanesthetic care unit (PACU). Incidence varies substantially, between 14% and 80%, depending on the complexity of the referral center and the characteristics of the population, with the potential for severe and even fatal outcomes.  Objective: To determine the incidence of early postoperative hypoxemia (EPH) in the PACU and identify related clinical factors.  Materials and methods: Cross-sectional analytical observational study in adult patients taken to the PACU following surgical procedures under general or neuroaxial anesthesia, between April and May 2017. Peripheral arterial oxygen saturation was recorded on admission to the PACU. Factors associated with the development of EPH were evaluated using simple logistic and multivariate regression step by step.  Results: Overall, 365 patients were included. Median age was 49 years (interquartile range 36-63 years), half of them were women (55.3%), and 7.4% had lung disease. Of the total number of patients, 60 developed EPH, for an incidence of 16%. Age, a history of obstructive sleep apnea syndrome (OSAS), and anesthesia time were statistically significant associated factors. The type of anesthesia, the type of surgery, and the surgical site were not significant associated factors.  Conclusion: It is recommended to identify elderly patients, a history of OSAS, and potential exposure to prolonged anesthesia time in order to implement strategies designed to reduce the risk of EPH.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La hipoxemia postoperatoria es un evento adverso frecuente en la Unidad de Cuidados Postanestésicos (UCPA). Su incidencia varía ampliamente entre 14 a 80% según la complejidad del centro de referencia y características de la población, con posibilidad de desenlaces severos e incluso fatales.  Objetivo:  Determinar la incidencia de hipoxemia postoperatoria temprana (HPT) en UCPA y sus factores clínicos relacionados.  Materiales y métodos:  Estudio observacional analítico transversal de pacientes adultos ingresados a la UCPA después de ser sometidos a procedimientos quirúrgicos bajo anestesia general o neuroaxial entre abril y mayo 2017. Se registró la saturación arterial periférica de oxígeno al ingreso de UCPA, durante la primera y segunda horas postoperatorias. Los factores asociados al desarrollo de HPT fueron evaluados mediante regresión logística simple y multivariada paso a paso.  Resultados:  Se incluyeron 365 pacientes. La mediana de edad fue 49 años (rango intercuartíl [RIC] 36-63 años), la mitad fueron mujeres (55.3%) y 7.4% tenían patología pulmonar. De la totalidad de pacientes, 60 desarrollaron HPT representando una incidencia de 16%. La edad, antecedente de Síndrome de Apnea Obstructiva del Sueño (SAOS) y tiempo de anestesia fueron factores asociados estadísticamente significativos. El tipo de anestesia, tipo de cirugía y sitio quirúrgico no fueron factores asociados significativos.  Conclusión:  Se recomienda identificar de manera prequirúrgica pacientes con edad avanzada, antecedente de SAOS y posible exposición a tiempos prolongados de anestesia, con el fin de implementar estrategias que puedan disminuir el riesgo de HPT.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hypoxemia]]></kwd>
<kwd lng="en"><![CDATA[Postoperative Period]]></kwd>
<kwd lng="en"><![CDATA[Postoperative Care]]></kwd>
<kwd lng="en"><![CDATA[Anesthesia Recovery Period]]></kwd>
<kwd lng="en"><![CDATA[Observational Study]]></kwd>
<kwd lng="es"><![CDATA[Hipoxemia]]></kwd>
<kwd lng="es"><![CDATA[Periodo Posoperatorio]]></kwd>
<kwd lng="es"><![CDATA[Cuidados Posoperatorios]]></kwd>
<kwd lng="es"><![CDATA[Periodo de Recuperación de la Anestesia]]></kwd>
<kwd lng="es"><![CDATA[Estudio observacional]]></kwd>
</kwd-group>
</article-meta>
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