<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132025000400004</article-id>
<article-id pub-id-type="doi">10.24875/gmm.25000019</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Neumonía asociada a los cuidados de salud en pacientes con síndrome de Guillain-Barré: factores de riesgo y principales microrganismos aislados]]></article-title>
<article-title xml:lang="en"><![CDATA[Healthcare-associated pneumonia in patients with Guillain-Barré syndrome: risk factors and main isolated microorganisms]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Hernández]]></surname>
<given-names><![CDATA[Juan C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina-Rioja]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Hernández]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-González]]></surname>
<given-names><![CDATA[Luis E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Moreno]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Cañas]]></surname>
<given-names><![CDATA[Edwin S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salas-de la Cruz]]></surname>
<given-names><![CDATA[Malvina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía Dr. Manuel Velasco Suárez Departamento de Urgencias Neurológicas ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía Dr. Manuel Velasco Suárez Clínica de Enfermedades Neuromusculares ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía Dr. Manuel Velasco Suárez Departamento de Infectología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía Dr. Manuel Velasco Suárez Laboratorio de Microbiología ]]></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>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>161</volume>
<numero>4</numero>
<fpage>389</fpage>
<lpage>396</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132025000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132025000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132025000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Existe escasa información sobre los factores de riesgo y los microorganismos relacionados con la neumonía asociada a los cuidados de la salud en pacientes con síndrome de Guillain-Barré (SGB).  Objetivo: Analizar los factores clínicos relacionados con la neumonía asociada a los cuidados de la salud e identificar los principales microorganismos.  Material y métodos: Estudio de casos y controles de pacientes con SGB atendidos en el periodo de marzo de 2020 a junio de 2022. Se definió neumonía asociada a los cuidados de la salud como hallazgos clínicos, radiológicos o de laboratorio de neumonía tras 48 horas de hospitalización. Los factores de riesgo se analizaron con un modelo multivariable, expresados en razón de momios (RM) con intervalos de confianza al 95% (IC 95%); el rendimiento del modelo se evaluó mediante análisis del área bajo la curva (AUC).  Resultados: Se incluyeron 134 pacientes, el 75.4% hombres, con una edad promedio de 44.7 años. El 28.4% requirieron ventilación mecánica invasiva (VMI) y el 18.6% presentaron neumonía nosocomial. Se encontraron como factores de riesgo significativos una puntuación MRC &#8804; 20 (RM: 5.5; IC 95%: 1.5-20.1; p = 0.009) y el uso de VMI (RM: 95; IC 95%: 12-749; p &lt; 0.001). El modelo mostró un AUC de 0.94 (IC 95%: 0.90-0.98; p &lt; 0.001). Los microorganismos más frecuentes fueron Staphylococcus aureus (52%) y Pseudomonas aeruginosa (13%).  Conclusiones: La puntuación MRC &#8804; 20 y el uso de VMI son factores de riesgo para neumonía asociada a los cuidados de la salud en pacientes con SGB. S. aureus fue el microorganismo predominante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Limited information is available regarding the risk factors and microorganisms associated with healthcare-associated pneumonia (HCAP) in patients with Guillain-Barré syndrome (GBS).  Objective: To analyze the clinical factors related to HCAP and identify the predominant microorganisms.  Materials and methods: A cross-sectional study was conducted on patients with GBS treated between March 2020 and June 2022. HCAP was defined based on clinical, radiological, or laboratory findings after 48 hours of hospitalization. Risk factors were analyzed using a multivariable model, expressed as odds ratios (OR) with 95% confidence intervals (95% CI). Model performance was evaluated using the area under the curve (AUC) analysis.  Results: A total of 134 patients were included, 75.4% of whom were male, with a mean age of 44.7 years. Mechanical invasive ventilation (MIV) was required in 28.4% of cases, and 18.6% developed nosocomial pneumonia. Significant risk factors included an MRC score &#8804; 20 (OR: 5.5; 95% CI: 1.5-20.1; p = 0.009) and the use of MIV (OR: 95; 95%CI: 12-749; p &lt; 0.001). The model demonstrated an AUC of 0.94 (95%: CI: 0.90-0.98; p &lt; 0.001). The most frequently isolated microorganisms were Staphylococcus aureus (52%) and Pseudomonas aeruginosa (13%).  Conclusions: An MRC score &#8804; 20 and the use of MIV are risk factors for HCAP in patients with GBS. S. aureus was the predominant microorganism.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome de Guillain-Barré]]></kwd>
<kwd lng="es"><![CDATA[Neumonía asociada a los cuidados de la salud]]></kwd>
<kwd lng="es"><![CDATA[Factores de riesgo]]></kwd>
<kwd lng="en"><![CDATA[Guillain-Barré]]></kwd>
<kwd lng="en"><![CDATA[syndrome]]></kwd>
<kwd lng="en"><![CDATA[Healthcare-associated pneumonia]]></kwd>
<kwd lng="en"><![CDATA[Risk factors]]></kwd>
</kwd-group>
</article-meta>
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