<?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>2448-8909</journal-id>
<journal-title><![CDATA[Medicina crítica (Colegio Mexicano de Medicina Crítica)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. crít. (Col. Mex. Med. Crít.)]]></abbrev-journal-title>
<issn>2448-8909</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Medicina Crítica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-89092019000300139</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación de la incidencia de infección de vías respiratorias inferiores e identificación de microorganismos en pacientes postquirúrgicos de cirugía cardiovascular]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of the incidence of respiratory tract infection and identification of microorganisms in postsurgical patients of cardiovascular surgery]]></article-title>
<article-title xml:lang="pt"><![CDATA[Determinação da incidencia de infecção do trato respiratório inferior e identificação de microorganismos em pacientes no período pós-operatório de cirurgia cardiovascular]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loza Gallardo]]></surname>
<given-names><![CDATA[Luis Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Juárez]]></surname>
<given-names><![CDATA[Víctor Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Tomay]]></surname>
<given-names><![CDATA[Nancy Berenice]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Martínez]]></surname>
<given-names><![CDATA[Gerardo Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social «General Manuel Ávila Camacho» Centro Médico Nacional Hospital Especialidades]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>139</fpage>
<lpage>144</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092019000300139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092019000300139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092019000300139&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  Pacientes sometidos a cirugías cardiotorácicas requieren atención postquirúrgica en la Unidad de Cuidados Intensivos, un inadecuado manejo postquirúrgico incide negativamente en la evolución e incrementa el riesgo de complicaciones orgánicas.  Objetivo:  Determinar la incidencia de infección de vías respiratorias inferiores e identificación de microorganismos en pacientes postquirúrgicos de cirugía cardiovascular.  Material y métodos:  Estudio descriptivo, observacional, transversal y retrospectivo, durante el periodo de enero a diciembre de 2017.  Resultados:  Se revisaron 147 expedientes, donde 47% fueron mujeres y 53% hombres, edad promedio: 53.70 ± 15.70 años. Diagnóstico de ingreso, predominó la estenosis aórtica severa en 29.93% de los casos. La cirugía más realizada fue cambio valvular aórtico (40.82%). Microorganismos aislados: 76.87% de los cultivos fueron negativos; staphylococcus epidermidis sobresalió con 4.76%. La sensibilidad antibiótica fue: nitrofurantoína 26.47%, trimetoprim con sulfametoxazol 11.76, y 8.82% levofloxacino, respectivamente. La evolución de los pacientes, 90.50% fue buen pronóstico; en el caso de las complicaciones, 64.63% no las presentó.  Conclusión:  La presencia de infecciones respiratorias inferiores y su resistencia antibiótica en pacientes postoperados de cirugía cardiovascular, representa una problemática mundial, y afecta su adecuada evolución debido a la falla de tratamientos en las Áreas de Cuidados Intensivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Patients undergoing cardiothoracic surgery require post-surgical care in the Intensive Care Unit, an inadequate postoperative management has a negative impact on the patient&#8217;s recovery and increases the probability of presenting organic complications.  Objective:  To determine the incidence of lower respiratory tract infection and identification of microorganisms in postsurgical patients of cardiovascular surgery.  Material and methods:  This is a descriptive, observational, transversal and retrospective study. The period covered was from January to December 2017.  Results:  147 cases were reviewed, where 47% corresponded to women and 53% to men, with an average age of 53.70 ± 15.70 years. Regarding the diagnosis of admission, severe aortic stenosis predominated, registering 29.93% of the cases. The surgery that was most performed was the aortic valve change (40.82%). Regarding the isolation of microorganisms, 76.87% of the patients were negative or not performed; however, Staphylococcus epidermidis stood out with 4.76%. Of the patients who were positive for isolation, 26.47% were sensitive to nitrofurantoin, 11.76% to trimethoprim with sulfamethoxazole, and 8.82% to fluconazole and levofloxacin, respectively. Regarding the evolution of patients, 90.50% had a good prognosis; in the case of complications, 64.63% did not present any.  Conclusion:  The presence of lower respiratory infections in patients postoperated by cardiovascular surgery, combined with resistance by administered antibiotics, represents a global problem, and that significantly affects the efficient medical attention due to the failure of treatments in the Intensive Care Areas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  Pacientes submetidos à cirurgia cardiotorácica necessitam de cuidados pós-cirúrgicos em Unidade de Terapia Intensiva, uma conduta pós-operatória inadequada tem impacto negativo na recuperação do paciente e aumenta a probabilidade de apresentar complicações orgânicas.  Objetivo:  Determinar a incidência de infecção do trato respiratório inferior e identificação de microrganismos em pacientes pós-cirúrgicos de cirurgia cardiovascular.  Material e métodos:  Trata-se de um estudo descritivo, observacional, transversal e retrospectivo. O período abrangido foi de janeiro a dezembro de 2017.  Resultados:  Foram revistos 147 casos, onde 47% correspondiam a mulheres e 53% a homens, com média de idade de 53,70 ± 15,70 anos. Em relação ao diagnóstico de internação, predominou estenose aórtica grave, registrando 29,93% dos casos. A cirurgia mais realizada foi a troca da valva aórtica (40,82%). Em relação ao isolamento de microrganismos, 76,87% dos pacientes foram negativos ou não realizaram; no entanto, Staphylococcus epidermidis destacou-se com 4,76%. Dos pacientes que foram positivos para o isolamento, 26,47% eram sensíveis à nitrofurantoína, 11,76% à trimetoprima com sulfametoxazol e 8,82% ao fluconazol e à levofloxacina, respectivamente. Em relação à evolução dos pacientes, 90,50% tiveram um bom prognóstico; no caso de complicações, 64,63% não apresentaram nenhuma.  Conclusão:  A presença de infecções respiratórias inferiores em pacientes no pós-operatório de cirurgia cardiovascular, combinada à resistência por antibióticos administrados, representa um problema global e que afeta significativamente o atendimento médico eficiente devido ao insucesso dos tratamentos nas áreas de Terapia Intensiva.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Neumonía asociada a la asistencia sanitaria]]></kwd>
<kwd lng="es"><![CDATA[periodo postoperatorio]]></kwd>
<kwd lng="es"><![CDATA[cirugía torácica]]></kwd>
<kwd lng="en"><![CDATA[Healthcare-associated pneumonia]]></kwd>
<kwd lng="en"><![CDATA[postoperative period]]></kwd>
<kwd lng="en"><![CDATA[thoracic surgery]]></kwd>
<kwd lng="pt"><![CDATA[Pneumonia associada à assistência à saúde]]></kwd>
<kwd lng="pt"><![CDATA[período pós-operatório]]></kwd>
<kwd lng="pt"><![CDATA[cirugia torácica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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