<?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>0120-2448</journal-id>
<journal-title><![CDATA[Acta Medica Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Med Colomb]]></abbrev-journal-title>
<issn>0120-2448</issn>
<publisher>
<publisher-name><![CDATA[Asociacion Colombiana de Medicina Interna]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-24482023000100004</article-id>
<article-id pub-id-type="doi">10.36104/amc.2023.2327</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Opportunistic infections according to the CD4+ T lymphocyte count in patients with HIV at a tertiary care referral center]]></article-title>
<article-title xml:lang="es"><![CDATA[Infecciones oportunistas de acuerdo con el conteo de linfocitos T CD4+ en pacientes con VIH en un centro de referencia terciaria]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[AGUILAR-MOLINA]]></surname>
<given-names><![CDATA[OSWALDO ENRIQUE]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[VALLEJO-SERNA]]></surname>
<given-names><![CDATA[RAÚL ANDRÉS]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[ESCOBAR-MERA]]></surname>
<given-names><![CDATA[MARIA ANTONIA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[BARONA-ROMY]]></surname>
<given-names><![CDATA[DANIEL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[GARTNER-LÓPEZ]]></surname>
<given-names><![CDATA[ESTEFANÍA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MATTA-CORTÉS]]></surname>
<given-names><![CDATA[LORENA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Libre  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>48</volume>
<numero>1</numero>
<fpage>1</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-24482023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-24482023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-24482023000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Opportunistic infections (OIs) have marked the prognosis in the natural course of patients with human immunodeficiency virus (HIV) infection.  Objective: identifying the most common OIs and determining their relationship with the CD4+ lymphocyte count (CD4+TL) can improve our clinical practice and facilitate early diagnosis, the use of empiric treatments and prompt targeted treatment.  Materials and methods: an observational, retrospective study aimed at describing the characteristics and variations of the OIs diagnosed clinically, using direct or indirect methods, which occur in patients with HIV (related to their CD4+TL count) who are admitted to a tertiary care center in Cali, Colombia. Adult patients hospitalized from January 2018 to January 2019 with a diagnosis of HIV/AIDS and a history or current diagnosis of OI were included. Individuals under the age of 18 and pregnant women were excluded.  Results: a sample of 190 patients with at least one opportunistic infection was obtained, of whom 65.3% were men with a median age of 37 years (29.0-46.0), and the rest were women with a median age of 35.5 years (31.2-43.0). Eighty-three percent had a C3 classification on admission, 86% with a CD4+TL count &#8804; 200 cells/mm3. The most frequent OIs included tuberculosis, with 28.4%, pneumocystosis with 27.9% and toxoplasmosis with 27.4%.  Conclusions: in our population, despite advances in and greater availability of highly-effective antiretroviral therapy, most patients with HIV are hospitalized in advanced stages with opportunistic infections, in some cases with two or more concomitant infections, and with evidence of severe virological and immunological involvement. (Acta Med Colomb 2022; 48. DOI:https://doi.org/10.36104/amc.2023.2327).]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las infecciones oportunistas (IO) han marcado el pronóstico en la evolución natural de los pacientes con infección por virus de inmunodeficiencia humana (VIH).  Objetivo: conocer las IO más frecuentes y establecer su relación con el conteo de linfocitos T CD4+ (LTCD4+) puede mejorar nuestra práctica clínica y favorecer un diagnóstico temprano, uso de terapias empíricas y tratamiento dirigido oportuno.  Material y métodos: estudio observacional, retrospectivo, con el propósito de describir las características y variaciones de las IO diagnosticadas por clínica, métodos directos o indirectos, que se desarrollan en los pacientes con VIH en relación con su conteo LTCD4+ que ingresan a una institución de tercer nivel de atención en Cali (Colombia). Se incluyeron pacientes adultos hospitalizados entre enero 2018 a enero 2019 con diagnóstico de infección por VIH/SIDA y con antecedente o IO al momento del ingreso; se excluyeron menores de 18 años y gestantes.  Resultados: se obtuvo una muestra de 190 pacientes con al menos una infección oportunista, del cual 65.3% eran hombres con una edad mediana de 37 años (29.0-46.0), para las mujeres de 35.5 años (31.2-43.0). El 83% se encontraba en clasificación C3 al ingreso, 86% con recuento de LTCD4+ &#8804; 200 cels/mm3. De las IO las más frecuentes fueron, tuberculosis con 28.4%, neumocistosis con 27.9% y toxoplasmosis con 27.4%.  Conclusiones: en nuestra población, pese al avance y mayor disponibilidad de terapia antirretroviral de alta efectividad, la mayoría de los pacientes con infección por VIH se hospitalizan en estadios avanzados con infecciones oportunistas, en algunos casos dos o más de manera concomitante y con evidencia de compromiso virológico e inmunológico severo. (Acta Med Colomb 2022; 48. DOI:https://doi.org/10.36104/amc.2023.2327).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[HIV]]></kwd>
<kwd lng="en"><![CDATA[opportunistic]]></kwd>
<kwd lng="en"><![CDATA[CD4TL]]></kwd>
<kwd lng="en"><![CDATA[Colombia]]></kwd>
<kwd lng="es"><![CDATA[VIH]]></kwd>
<kwd lng="es"><![CDATA[oportunista]]></kwd>
<kwd lng="es"><![CDATA[LTCD4]]></kwd>
<kwd lng="es"><![CDATA[Colombia]]></kwd>
</kwd-group>
</article-meta>
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</name>
<name>
<surname><![CDATA[Freedberg]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
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</person-group>
<article-title xml:lang=""><![CDATA[Review of Human Immunodeficiency Virus Type 1-Related Opportunistic Infections in Sub-Saharan Africa]]></article-title>
<source><![CDATA[Clin. Infect. Dis]]></source>
<year>2003</year>
<volume>36</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>652-62</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
