<?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>1996-3696</journal-id>
<journal-title><![CDATA[Revista del Instituto de Medicina Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Inst. Med. Trop.]]></abbrev-journal-title>
<issn>1996-3696</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Medicina Tropical]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1996-36962021000200022</article-id>
<article-id pub-id-type="doi">10.18004/imt/2021.16.2.22</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio comparativo de la reacción de Mantoux con la determinación del Interferon Gamma en pacientes VIH-SIDA para el diagnóstico de la Tuberculosis latente (TBL).]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparative study of the Mantoux reaction with the determination of Interferon Gamma in HIV-AIDS patients for the diagnosis of latent tuberculosis (TBL)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arbo]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez de Cuellar]]></surname>
<given-names><![CDATA[Celia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[Sarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Samudio]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueredo]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanabria-Báez]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Medicina Tropical Dirección de Docencia e Investigación ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Ministerio de Salud Pública y Bienestar Social Programa Nacional de Lucha contra el SIDA ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto de Medicina Tropical Laboratorio Clínico ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas ]]></institution>
<addr-line><![CDATA[Santa Rosa del Aguaray ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>16</volume>
<numero>2</numero>
<fpage>22</fpage>
<lpage>28</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1996-36962021000200022&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1996-36962021000200022&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1996-36962021000200022&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La OMS estima que un tercio de la población mundial está infectada con Mycobacterium tuberculsosis, permaneciendo la mayoría de los casos en forma de TB latente (TBL). No existe un estándar de oro para el diagnóstico de la TBL, por lo cual la carga global de la misma. Objetivo: Comparar la efectividad en pacientes con VIH/SIDA de dos pruebas diagnósticas de TB latente (TBL): la Prueba de Mantoux y la determinación de Interferón Gamma en sangre periférica. Materiales y métodos: Estudio observacional, descriptivo y prospectivo con componente analítico, en el que se incluyeron consecutivamente por muestreo no probabilístico los pacientes de 18 meses a 60 años pacientes de ambos sexos, que acuden al consultorio del Programa Nacional de Control del VIH/sida con diagnóstico reciente de VIH/sida y en quienes se descartó TB activa. En todos los pacientes incluidos se realizó al mismo tiempo determinación del PPD (por inyección de tuberculina I de 2UI de potencia por inyección intradérmica en antebrazo izquierdo) y se tomó sangre periférica para determinación por el método de ELISA de la producción por los mononucleares de interferón gama en respuesta a antígeno de MTB (ELISA- QIAGEN - Germany). Resultados: Desde octubre 2017 a octubre de 2019, se identificaron 659 pacientes VIH que reunían los criterios de inclusión, de los cuales se incluyeron el 99, 9% (599 pacientes), quienes acudieron a la lectura de la prueba de la PPD. La edad media de los pacientes es de 34,1 años (DE 13,1 años), 415 (69%) son del sexo masculino. El 67,9% (407/599) procede del Dpto. Central y Asunción A todos los pacientes incluidos se les realizó la PPD y el test IGRA. La TBL se detectó en el 7,6% (46/599) pacientes, de los cuales, en 8,7% (52/599) el Gama Interferon fue positivo (IGRA) y en 3,8% (23/599) la PPD fue &#8805;5 (positivo). El 2% (12/599) pacientes fueron positivos para ambas pruebas. Al comparar los datos mencionados podemos observar que el IGRA resultó ser el método más efectivo para detectar la TBL, ya que con el mismo se identificó a 8,7% de los casos a diferencia de la PPD que solo permitió identificar el 2% de los mismos. El 100% (46/46) de los pacientes con diagnóstico con TBL recibieron quimioprofilaxis con Isoniacida. Conclusión: El presente estudio pretende definir el rendimiento de una nueva metodología para la detección de TB latente en una población de alto riesgo de coinfección como son los infectados con VIH.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The WHO estimates that one third of the world's population is infected with Mycobacterium tuberculosis, with the majority of cases remaining in the form of latent TB (TBL). There is no gold standard for the diagnosis of TBL, hence the global burden of it. Objective: To compare the effectiveness in patients with HIV / AIDS of two diagnostic tests for latent TB (TBL): the Mantoux Test and the determination of Interferon Gamma in peripheral blood. Materials and methods: An observational, descriptive and prospective study with an analytical component, in which patients between 18 months and 60 years of age, patients of both sexes, were consecutively included by non-probabilistic sampling, who attended the office of the National HIV / AIDS Control Program with a recent diagnosis of HIV / AIDS and in whom active TB was ruled out. In all the patients included, PPD was determined at the same time (by injection of tuberculin I of 2IU of potency by intradermal injection in the left forearm) and peripheral blood was taken for determination by the ELISA method of the production of interferon mononuclear cells. gamma in response to MTB antigen (ELISA- QIAGEN - Germany). Results: From October 2017 to October 2019, 659 HIV patients meeting the inclusion criteria were identified, of which 99.9% (599 patients) were included, who attended the reading of the PPD test. The mean age of the patients is 34.1 years (SD 13.1 years), 415 (69%) are male. 67.9% (407/599) came from the Central and Asunción Departments. All patients included underwent the PPD and the IGRA test. TBL was detected in 7.6% (46/599) patients, of which, in 8.7% (52/599) the Interferon range was positive (IGRA) and in 3.8% (23/599) PPD was &#8805;5 (positive). 2% (12/599) patients were positive for both tests. When comparing the aforementioned data, we can see that the IGRA turned out to be the most effective method for detecting TBL, since with it 8.7% of the cases were identified, as opposed to the PPD, which only allowed the identification of 2% of the cases. themselves. 100% (46/46) of the patients diagnosed with TBL received chemoprophylaxis with Isoniazid. Conclusion: The present study aims to define the performance of a new methodology for the detection of latent TB in a population at high risk of coinfection such as those infected with HIV.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Mycobacterium tuberculosis]]></kwd>
<kwd lng="es"><![CDATA[epidemiología]]></kwd>
<kwd lng="es"><![CDATA[pediatría]]></kwd>
<kwd lng="en"><![CDATA[Mycobacterium tuberculosis]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
<kwd lng="en"><![CDATA[pediatrics]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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