<?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>2312-3893</journal-id>
<journal-title><![CDATA[Revista Virtual de la Sociedad Paraguaya de Medicina Interna]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. virtual Soc. Parag. Med. Int.]]></abbrev-journal-title>
<issn>2312-3893</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Medicina Interna]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2312-38932026000100211</article-id>
<article-id pub-id-type="doi">10.18004/rvspmi/2312-3893/2026.e13122611</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización bacteriológica y resistencia antimicrobiana de cultivos de secreción traqueal en pacientes con neumonía asociada a ventilación mecánica]]></article-title>
<article-title xml:lang="en"><![CDATA[Bacteriological characterization and antimicrobial resistance of tracheal secretion cultures in patients with ventilator-associated pneumonia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Altemburger Leguizamón]]></surname>
<given-names><![CDATA[Jorge Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Martínez]]></surname>
<given-names><![CDATA[Elena Paola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardozo Canata]]></surname>
<given-names><![CDATA[María Marta Eurídice]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ovelar Bogado]]></surname>
<given-names><![CDATA[María Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega Portillo]]></surname>
<given-names><![CDATA[Edgar Eugenio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central de Policía Rigoberto Caballero  ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>211</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2312-38932026000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2312-38932026000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2312-38932026000100211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la neumonía asociada a ventilación mecánica (NAVM) es una complicación frecuente y grave en pacientes intubados por más de 48 horas, con alta mortalidad, especialmente por infecciones multirresistentes.  Objetivo:  describir el perfil bacteriológico y los patrones de resistencia antimicrobiana en cultivos de secreción traqueal en pacientes con NAVM en cuidados intensivos del Hospital Central de Policía Rigoberto Caballero, Asunción, en el periodo 2024-2025.  Metodología:  se aplicó un estudio observacional descriptivo transversal retrospectivo, con muestreo no probabilístico de casos consecutivos. Fueron incluidos pacientes mayores de 18 años internados en la unidad de cuidados intensivos, en quienes se haya realizado cultivo de secreción traqueal y con diagnóstico clínico y/o microbiológico de NAVM. La recolección de datos se realizó desde las fichas clínicas de los pacientes y datos del departamento de bacteriología del hospital.  Resultados:  se evaluaron 31 pacientes con diagnóstico de NAVM. La edad media de los pacientes fue de 61 años, predominando el sexo masculino (70,96%). El 54,83% presentaba traqueotomía. Se aislaron una a cuatro bacterias por paciente, en el 64,52% se detectó aislamiento de dos o más microorganismos. El patógeno más frecuente fue Acinetobacter baumannii complex (74,19%), seguido de Klebsiella pneumoniae (54,83%) y Pseudomona aeruginosa (25,80%). Se observó una alta resistencia antimicrobiana, destacando A. baumannii con resistencia del 86,95% a carbapenémicos, y K. pneumoniae con 58,82% de resistencia a cefalosporinas de tercera generación.  Conclusión:  el perfil bacteriológico presenta un predominio de A. baumannii complex, presente en el 74,19% de los casos, seguido por K. pneumoniae y P. aeruginosa, con elevadas tasas de resistencia antimicrobiana a cefalosporinas de tercera generación, carbapenémicos y tigeciclina.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Ventilator-associated pneumonia (VAP) is a common and serious complication in patients intubated for more than 48 hours, with high mortality, especially due to multidrug-resistant infections.  Objective:  To describe the bacteriological profile and antimicrobial resistance patterns in tracheal secretion cultures in patients with VAP in the intensive care unit of the Rigoberto Caballero Central Police Hospital, Asunción, during the period 2024-2025.  Methodology:  A retrospective, descriptive, cross-sectional observational study was conducted, with non-probabilistic sampling of consecutive cases. Patients over 18 years of age admitted to the intensive care unit who had undergone tracheal secretion culture and had a clinical and/or microbiological diagnosis of VAP were included. Data were collected from the patients' medical records and from the hospital's bacteriology department.  Results:  Thirty-one patients diagnosed with NAVM were evaluated. The mean age of the patients was 61 years, with a predominance of males (70.96%). Fifty-four point eight-three percent had undergone tracheotomy. One to four bacteria were isolated per patient, and in 64.52% of cases, two or more microorganisms were detected. The most frequent pathogen was Acinetobacter baumannii complex (74.19%), followed by Klebsiella pneumoniae (54.83%) and Pseudomonas aeruginosa (25.80%). High antimicrobial resistance was observed, notably A. baumannii with 86.95% resistance to carbapenems, and K. pneumoniae with 58.82% resistance to third-generation cephalosporins.  Conclusion:  The bacteriological profile shows a predominance of A. baumannii complex, present in 74.19% of cases, followed by K. pneumoniae and P. aeruginosa, with high rates of antimicrobial resistance to third-generation cephalosporins, carbapenems, and tigecycline.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[neumonía bacteriana]]></kwd>
<kwd lng="es"><![CDATA[ventiladores mecánicos]]></kwd>
<kwd lng="es"><![CDATA[resistencia a medicamentos]]></kwd>
<kwd lng="es"><![CDATA[farmacorresistencia bacteriana.]]></kwd>
<kwd lng="en"><![CDATA[bacterial pneumonia]]></kwd>
<kwd lng="en"><![CDATA[mechanical ventilators]]></kwd>
<kwd lng="en"><![CDATA[drug resistance]]></kwd>
<kwd lng="en"><![CDATA[bacterial drug resistance.]]></kwd>
</kwd-group>
</article-meta>
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