<?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>1729-519X</journal-id>
<journal-title><![CDATA[Revista Habanera de Ciencias Médicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev haban cienc méd]]></abbrev-journal-title>
<issn>1729-519X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de la Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1729-519X2019000400593</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aspectos clínicos y de laboratorio en pacientes con diagnóstico tardío de SIDA]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical and laboratory findings in patients with late diagnosis of AIDS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidal Turruelles]]></surname>
<given-names><![CDATA[Yaumet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Rubio]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Armas Rodríguez]]></surname>
<given-names><![CDATA[Yaxsier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Oncología y Radiobiología La Habana Cuba]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Medicina Tropical "Pedro Kourí" La Habana Cuba]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<numero>4</numero>
<fpage>593</fpage>
<lpage>606</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1729-519X2019000400593&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1729-519X2019000400593&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1729-519X2019000400593&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El retraso diagnóstico de la infección por SIDA constituye un problema de gran magnitud con importantes repercusiones para los propios infectados y para la sociedad en general.  Objetivos:  Caracterizar a los pacientes con diagnóstico tardío de infección por VIH y su evolución a los 6 meses del diagnóstico.  Material y Métodos:  Se realizó un estudio longitudinal de corte prospectivo que incluyó 248 casos con diagnóstico positivo de infección por VIH durante su ingreso o en la consulta de infectología del Instituto de Medicina Tropical &#8220;Pedro Kourí&#8221; desde enero de 2015 hasta diciembre de 2016, los que se dividieron en dos grupos de comparación, según diagnóstico tardío (n=79) o no (n=169) de la enfermedad.  Resultados:  La edad avanzada y el sexo masculino fueron factores relacionados con el diagnóstico tardío de la infección por VIH. La fiebre (31,7%) y los síntomas respiratorios (20,3%) fueron las formas más frecuentes de presentación, mientras que la neumonía por Pneumocystis jirovecii fue la enfermedad con más incidencia en el momento del diagnóstico. La mitad de los pacientes se encontraban con inmunodepresión severa en el momento del diagnóstico. Los pacientes con diagnóstico tardío mostraron una supervivencia significativamente menor a los 6 meses del diagnóstico en comparación con los pacientes con diagnóstico precoz. La carga viral y el nivel de linfocitos CD4 fueron parámetros de laboratorio con un alto valor predictivo de mortalidad.  Conclusiones:  El diagnóstico tardío de infección por VIH conlleva un alto riesgo de mortalidad, mayor en aquellos con afectación de la carga viral y el nivel de linfocitos T CD4+.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Late diagnosis of HIV is a major problem with important consequences for the people infected with this virus and the society in general.  Objectives:  To characterize patients with late diagnosis of HIV infection and their evolution six months after diagnosis.  Material and Methods:  We conducted a prospective longitudinal study which included 248 cases with positive diagnosis of HIV infection during admission at the Pedro Kourí Tropical Medicine Institute between January 2015 and December 2016. They were divided into two comparison groups which included patients with late diagnosis (n=79) and those with no late diagnosis (n=169) of the disease.  Results:  Advanced age and male sex were factors related to the late diagnosis of HIV infection. Fever (31.7%) and respiratory symptoms (20.3%) were the most frequent forms of presentation, whereas Pneumocystis jirovecii pneumonia was the disease with the highest incidence at the time of diagnosis. Half of the patients were found to have severe immunosuppression at the time of diagnosis. Patients with late diagnosis showed a significantly diminished survival six months after being diagnosed compared with those patients with early diagnosis. Viral load and CD4+ T count were laboratory parameters with a high predictive value of mortality.  Conclusions:  Late diagnosis of HIV leads to a high risk of mortality, which is higher in those with affectation of the viral load and low CD4+ T cell count.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[VIH]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico tardío]]></kwd>
<kwd lng="es"><![CDATA[T CD4+]]></kwd>
<kwd lng="es"><![CDATA[carga viral]]></kwd>
<kwd lng="es"><![CDATA[estudio longitudinal]]></kwd>
<kwd lng="es"><![CDATA[edad avanzada]]></kwd>
<kwd lng="en"><![CDATA[HIV]]></kwd>
<kwd lng="en"><![CDATA[late diagnosis]]></kwd>
<kwd lng="en"><![CDATA[viral load]]></kwd>
<kwd lng="en"><![CDATA[CD4+ T cell count]]></kwd>
<kwd lng="en"><![CDATA[longitudinal study]]></kwd>
<kwd lng="en"><![CDATA[advanced age]]></kwd>
</kwd-group>
</article-meta>
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