<?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>1012-2966</journal-id>
<journal-title><![CDATA[Gaceta Médica Boliviana]]></journal-title>
<abbrev-journal-title><![CDATA[Gac Med Bol]]></abbrev-journal-title>
<issn>1012-2966</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Medicina de la Universidad Mayor de San Simón]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1012-29662023000200058</article-id>
<article-id pub-id-type="doi">10.47993/gmb.v46i2.557</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Transmisión vertical del virus linfotrópico humano en el Hospital del Niño Manuel Ascensio Villarroel de Cochabamba estudio exploratorio]]></article-title>
<article-title xml:lang="en"><![CDATA[Vertical transmission of human lymphotropic virusat the Hospital del Niño Manuel Ascensio Villarroel the Cochabamba exploratory study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baldomar Manzur]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez Barrientos]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manzur Soria]]></surname>
<given-names><![CDATA[Rosario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Córdova Rojas]]></surname>
<given-names><![CDATA[Marisol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Residente especialidad pediatría  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Mayor de San Simón Facultad de Medicina CUMETROP- IIBISMED]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Mayor de San Simón Facultad de Medicina LABIMED]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Mayor de San Simón Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bolivia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>46</volume>
<numero>2</numero>
<fpage>58</fpage>
<lpage>62</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1012-29662023000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1012-29662023000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1012-29662023000200058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los virus Linfotrópicos de células T humanas tipo I y II (HTLV) son retrovirus que se encuentran distribuidos a nivel mundial, se caracterizan por la infección de células TCD4+ y se asocian a dos tipos de enfermedades importantes como la leucemia/linfoma de células T adultas (ATLL) y la enfermedad neurológica, paraparesia espástica tropical (PET) o mielopatía. Una de las principales vías de transmisión es la denominada transmisión vertical, de madre a hijo a través de la lactancia materna, cuya tasa de transmisión es de 5,7 a 35,5 %.  Objetivos:  explorar la transmisión vertical del Virus HTLV en niños de 8 meses a 6 años de edad, que fueron atendidos en el Hospital del Niño Manuel Ascencio Villarroel, en el periodo 2020 -2021.  Métodos:  estudio cuantitativo, transversal, descriptivo, exploratorio.  Resultados:  de los 67 pacientes estudiados, una mayoría tiene origen étnico quechua, procedentes del área rural. Al estudio clínico, todos los pacientes presentan un estado nutricional conservado eutrófico (n=55), el promedio de lactancia materna de los mismos es de 17,2 meses. Al estudio laboratorial, un paciente dio positivo para HTLV por la técnica de ELISA, prueba realizada por duplicado en tiempos distintos, el cual corresponde al 1,5 % de los pacientes estudiados.  Conclusiones:  este estudio exploratorio demuestra fundamentalmente que este virus se encuentra circulando en nuestro medio, en el 1,5 % de la muestra estudiada, lo que hace necesario profundizar el estudio con un mayor número de muestras.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The human T-cell lymphotropic virus type I and II (HTLV) are retroviruses that are distributed worldwide, are characterized by the infection of TCD4+ cells and are associated with two types of important diseases such as adult T-cell leukemia/lymphoma (ATLL) and the neurological disease, tropical spastic paraparesis (TSP) or myelopathy. One of the main routes of transmission is the so-called vertical transmission, from mother to child through breastfeeding, whose transmission rate is 5.7 to 35.5%.  Objectives:  to explore the vertical transmission of the HTLV Virus in children from 8 months to 6 years of age, who were treated at the Manuel Ascencio Villarroel Children's Hospital, in the period 2020 -2021.  Methods:  quantitative, cross-sectional, descriptive, exploratory study.  Results:  of the 67 patients studied, a large part has Quechua ethnic origin, coming from the rural area. Clinically, they present a preserved eutrophic nutritional status (n=55), with an average of 17.2 months of breastfeeding. Of the total number of patients, one tested positive for HTLV by the ELISA technique, which corresponds to 1.5% of the patients studied.  Conclusions:  this exploratory study basically demonstrates that this virus is circulating in our environment, in 1.5% of the sample studied, which makes it necessary to deepen the study with a greater number of samples.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[HTLV]]></kwd>
<kwd lng="es"><![CDATA[prevalencia]]></kwd>
<kwd lng="es"><![CDATA[epidemiología]]></kwd>
<kwd lng="en"><![CDATA[HTLV]]></kwd>
<kwd lng="en"><![CDATA[prevalence]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
</kwd-group>
</article-meta>
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