<?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>2664-2891</journal-id>
<journal-title><![CDATA[Revista científica ciencias de la salud]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. cient. cienc. salud]]></abbrev-journal-title>
<issn>2664-2891</issn>
<publisher>
<publisher-name><![CDATA[Universidad del Pacífico]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2664-28912019000200051</article-id>
<article-id pub-id-type="doi">10.53732/rccsalud/01.02.2019.51</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Queratitis por Acanthamoebasp. en usuarios de lentes de contacto: casos clínicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Keratitis by Acanthamoeba sp. in users of contact lenses: clinical cases]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abente]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[Idalina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén]]></surname>
<given-names><![CDATA[Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Samudio]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duré]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bordón]]></surname>
<given-names><![CDATA[Marco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Instituto de Investigaciones en Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Banco de Ojos Oca del Valle  ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>1</volume>
<numero>2</numero>
<fpage>51</fpage>
<lpage>57</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2664-28912019000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2664-28912019000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2664-28912019000200051&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Introducción. La queratitis amebiana que con frecuencia se presenta en usuarios de lentes de contacto cursa con mucho dolor y comprometen la visión. La sintomatología es inespecífica y el diagnóstico se apoya en estudios laboratoriales basados en métodos de cultivo y moleculares para identificación específica de Acanthamoeba. Presentación de los casos. Se presentan tres casos de queratitis amebiana en usuarios de lentes de contacto, dos mujeres y un varón con cuadros que varían de lesiones leves a neoplasia, todos usuarios de lentes de contacto y con antecedentes de exposición al agua ya sea en la ducha o por almacenamiento de lentes de contacto con agua de canilla. La lesión se caracteriza por presentar infiltrados multifocales, epiteliopatía, pseudodendritas centrales y peurineritisredial. Los métodos microbiológicos detectaron al parásito en cultivo en una muestra, mientras que el método molecular fue positivo en dos casos. El tratamiento se basó en isetionato de propamidina (Brolene), polihexametilbiguanida 0,02% y clorhexidina 0,02%, inhibidores de la síntesis de ADN y la formación de la pared celular. La evolución de los cuadros fue de total recuperación en dos casos, mientras que en el tercer caso la queratitis fue una infección agregada de una neoplasia que precisó de métodos quirúrgicos para tratamiento. Conclusiones. Las queratitis amebianas pueden simular cuadros infecciosos de carácter viral herpético o micótico, y por su baja frecuencia y difícil confirmación por falta de métodos laboratoriales apropiados, no se considera a la Acanthamoebacomo agente etiológico, y en consecuencia hay retraso en el diagnóstico ytratamiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Introduction. Amebic keratitis that often occurs in contact lens wearers are in a lot of pain and compromise vision. Symptomatology is non-specific and diagnosis is supported by laboratory studies based on culture and molecular methods for specific identification of Acanthamoeba. Case presentation. Three cases of amebic keratitis occur in contact lens wearers, two women and one male with pictures ranging from mild lesions to neoplasm, all contact lens wearers and a history of water exposure either in the shower or by storage contact lenses with cane water. The lesion is characterized by multifocal infiltrates, epithelopathy, central pseudodendrites and redial peurineritis. Microbiological methods detected the cultured parasite in a sample, while the molecular method was positive in two cases. Treatment was based on propamidine isethionate (Brolene), polyhexamethylbiguanide 0.02% and chlorhexidine 0.02%, inhibitors of DNA synthesis and cell wall formation. The evolution of the tables was of complete recovery in two cases, while in the third case keratitis was an added infection of a neoplasm that required surgical methods for treatment. The importance of this report is that amebic keratitis can simulate infectious tables of an inherited or fungal nature, and because of its low frequency and difficult confirmation for lack of proper laboratory methods, the Acanthamoeba as an etiological agent, and consequently there is a delay in diagnosis and treatment. Conclusions. Amebic keratitis can simulate infectious conditions of a herpetic or fungal viral nature, and due to its low frequency and difficult confirmation due to lack of appropriate laboratory methods, Acanthamoeba is not considered as an etiologic agent, and consequently There is a delay in diagnosis andtreatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[queratitis por Acanthamoeba]]></kwd>
<kwd lng="es"><![CDATA[lentes de contacto]]></kwd>
<kwd lng="es"><![CDATA[ulcera de córnea.]]></kwd>
<kwd lng="en"><![CDATA[Acanthamoebakeratitis]]></kwd>
<kwd lng="en"><![CDATA[contact lenses]]></kwd>
<kwd lng="en"><![CDATA[corneal ulcer]]></kwd>
</kwd-group>
</article-meta>
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