<?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>0375-0760</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Med Trop]]></abbrev-journal-title>
<issn>0375-0760</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0375-07602021000300008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia de parasitismo intestinal en niños con diarrea persistente en el Área Sanitaria Sur de Sevilla]]></article-title>
<article-title xml:lang="en"><![CDATA[Frequency of intestinal parasitic infection in children with persistent diarrhea in Seville South Health Area]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lepe-Balsalobre]]></surname>
<given-names><![CDATA[Esperanza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-Sánchez]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Virgen del Rocío Laboratorio Análisis Clínicos ]]></institution>
<addr-line><![CDATA[ Sevilla]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Virgen de Valme Laboratorio Clínico ]]></institution>
<addr-line><![CDATA[ Sevilla]]></addr-line>
<country>España</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>73</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0375-07602021000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0375-07602021000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0375-07602021000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La diarrea persistente está incluida en una gran categoría denominada síndrome de diarrea crónica, problema relativamente común de consulta médica en la edad pediátrica. La importancia y prevalencia de la diarrea persistente de etiología parasitaria es poco conocida en España.  Objetivo: Determinar la prevalencia de parasitismo intestinal en niños con síndrome de diarrea persistente, así como las características clínicas asociadas a la etiología parasitaria en el Área Sanitaria Sur de Sevilla (España).  Métodos: Estudio retrospectivo y de corte transversal realizado en un año (mayo de 2017-mayo de 2018). Se incluyeron a pacientes en edad pediátrica que consultaban por cuadro diarreico superior a 2 semanas y/o dolor abdominal. El estudio de laboratorio incluyó la determinación de sustancias reductoras, leucocitos fecales y grasas, además del estudio de la etiología infecciosa (bacterias, virus o parásitos).  Resultados: De los 777 niños incluidos, 406 (52,3 %) correspondían al sexo masculino y 37 (147,7 %) al sexo femenino, con edades entre 1 mes y 14 años (mediana= 6 años). La presencia de parásitos fue detectada en el 6,9 % (54/777) de las muestras. Cuando se estratificaron los resultados por tipo de parasito, se observó que el 24,1% (13 casos) correspondía a Giardia sp., 14,8 % (8 casos) a Cryptosporidium sp., 55,6 % (30 casos) a Blastocystis sp., 3,6 % (2 casos) a Dientamoeba sp. y 1,9 % (1 caso) a Endolimax sp.  Conclusiones: Los resultados revelan un escenario en el que la prevalencia de parásitos con valor clínico demostrado fue del 2,7 %. Esto lleva a considerar la conveniencia de incluir el estudio de parásitos en una segunda fase, después de descartar otras condiciones clínicas más prevalentes en niños con diarrea persistente, además de limitar el estudio de parásitos a la detección de Giardia sp. y Cryptosporidium sp.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Persistent diarrhea belongs in a large category known as chronic diarrhea syndrome, a relatively common concern in children's medical consultation. The importance and prevalence of persistent diarrhea of parasitic etiology are not sufficiently known in Spain.  Objective: Determine the prevalence of intestinal parasite infection in children with persistent diarrhea syndrome and the clinical characteristics associated to its parasitic etiology in Seville South Health Area (Spain).  Methods: A cross-sectional retrospective study was conducted during one year (May 2017 to May 2018) of patients in pediatric ages who attended consultation for a diarrhea picture of more than two weeks' evolution and/or abdominal pain. Laboratory testing included determination of reducing substances, fecal leukocytes and fats, as well as of the causative agents of the infection (bacteria, viruses or parasites).  Results: Of the 777 children included in the study, 406 (52.3%) were male and 37 (147.7%) were female; mean age was six years (1 month to 14 years). Parasites were detected in 6.9% (54/777) of the samples. Stratification of results by parasite type showed that 24.1% (13 cases) corresponded to Giardia sp., 14.8 % (8 cases) to Cryptosporidium sp., 55.6 % (30 cases) to Blastocystis sp., 3.6 % (2 cases) to Dientamoeba sp. y 1.9 % (1 case) to Endolimax sp.  Conclusions: According to the results obtained, the prevalence of parasites with demonstrated clinical value is 2.7%. It is therefore advisable to include the study of parasites in a second stage, after ruling out other clinical conditions which are more prevalent in children with persistent diarrhea, and limit the study to the detection of Giardia sp. and Cryptosporidium sp.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[diarrea persistente]]></kwd>
<kwd lng="es"><![CDATA[Giardia sp]]></kwd>
<kwd lng="en"><![CDATA[persistent diarrhea]]></kwd>
<kwd lng="en"><![CDATA[Giardia sp.]]></kwd>
<kwd lng="en"><![CDATA[infectious]]></kwd>
<kwd lng="en"><![CDATA[parasites]]></kwd>
</kwd-group>
</article-meta>
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