<?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>1029-3043</journal-id>
<journal-title><![CDATA[Medicentro Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Medicentro Electrónica]]></abbrev-journal-title>
<issn>1029-3043</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Villa Clara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1029-30432023000200008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Necrosis retinal aguda. Dos casos clínicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Acute retinal necrosis. A report of two clinical cases]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Vázquez]]></surname>
<given-names><![CDATA[Niurka]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Bermúdez]]></surname>
<given-names><![CDATA[Gelsy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez Falcón]]></surname>
<given-names><![CDATA[Adonis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Villa Clara  ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>27</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30432023000200008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30432023000200008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30432023000200008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La necrosis retinal aguda es una afección grave que amenaza la visión. Es frecuente en adultos, tanto inmunocompetentes como inmunocomprometidos. Se presentan dos pacientes, uno de 38 años, con antecedentes de salud anterior que acude a consulta con síntomas y signos de necrosis retinal aguda en el ojo izquierdo, la que fue diagnosticada luego; y otro de 48 años de edad con antecedentes de infección por herpes zóster, tres meses antes de los síntomas oculares, que concluyó con igual diagnóstico. No existió evolución satisfactoria, a pesar del tratamiento adecuado, lo que demostró que independientemente de datos estadísticos y estudios realizados que demuestran lo infrecuente de esta enfermedad, se diagnosticaron dos casos en el periodo de un año, dato que nos exhorta al estudio y práctica de alternativas diagnósticas y terapéuticas para minimizar las consecuencias devastadoras de esta afección.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Acute retinal necrosis is a serious vision-threatening condition. It is common in both immunocompetent and immunocompromised adults. We present two male patients; one aged 38 years, with a previous health history who comes to consultation with symptoms and signs of acute retinal necrosis in his left eye, which was later diagnosed; and another one aged 48 years with a history of herpes zoster infection three months before the ocular symptoms, which concluded with the same diagnosis. Regardless of the statistical data and research carried out on this rare disease, there was no satisfactory evolution despite adequate treatment. Two cases were diagnosed in a period of one year, data that urges us to study and practice diagnostic and therapeutic alternatives to minimize the devastating consequences of this condition.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[síndrome de necrosis retiniana aguda]]></kwd>
<kwd lng="es"><![CDATA[herpesvirus humano 1]]></kwd>
<kwd lng="es"><![CDATA[herpesvirus humano 2]]></kwd>
<kwd lng="es"><![CDATA[vitreorretinopatía proliferativa]]></kwd>
<kwd lng="en"><![CDATA[retinal necrosis syndrome, acute]]></kwd>
<kwd lng="en"><![CDATA[herpesvirus 1, human]]></kwd>
<kwd lng="en"><![CDATA[herpesvirus 2, human]]></kwd>
<kwd lng="en"><![CDATA[vitreoretinopathy, proliferative]]></kwd>
</kwd-group>
</article-meta>
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