<?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>1028-9933</journal-id>
<journal-title><![CDATA[Revista Información Científica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. inf. cient.]]></abbrev-journal-title>
<issn>1028-9933</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas Guantánamo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1028-99332022000100003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización de pacientes con úlcera grave de la córnea y queratoplastia terapéutica]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of patients with severe corneal ulcer and therapeutic keratoplasty]]></article-title>
<article-title xml:lang="pt"><![CDATA[Caracterização de pacientes com úlcera de córnea grave e ceratoplastia terapêutica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marrero-Rodríguez]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Docente &#8220;Dr. Juan Bruno Zayas Alfonso&#8221;  ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>101</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1028-99332022000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1028-99332022000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1028-99332022000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La queratoplastia ha sido la técnica más empleada para el tratamiento de las alteraciones corneales.  Objetivo:  Describir las características clínico-epidemiológicas de la queratoplastia terapéutica en pacientes con úlcera grave de la córnea.  Método:  Se realizó un estudio observacional descriptivo y transversal a 17 ojos de 16 pacientes operados de queratoplastia terapéutica que presentaron úlcera grave de la córnea, ingresados en el servicio de Oftalmología del Hospital General Docente &#8220;Dr. Juan Bruno Zayas Alfonso&#8221; de Santiago de Cuba en el periodo de enero de 2018 a diciembre de 2019. Se estudiaron las variables edad, sexo, procedencia, ocupación, factores predisponentes, tiempo de evolución previo al ingreso, tratamiento tópico previo y germen causal. En el análisis estadístico se utilizó la frecuencia absoluta y el porcentaje para las variables cualitativas y para las cuantitativas, la media y la desviación estándar.  Resultados:  Predominaron los pacientes del sexo masculino, jubilados con más de 60 años. Prevaleció el trauma ocular no quirúrgico como factor predisponente. Previo al ingreso se aplicó con mayor frecuencia el colirio antibiótico y el tiempo de evolución promedio fue de 12,2 días. El grupo de gérmenes más preponderante fue el de las bacterias.  Conclusiones:  El vínculo entre el germen causal y la aplicación de medicamentos tópicos previos de manera prolongada propicia que la enfermedad evolucione tórpidamente hacia formas graves de úlcera corneal. Lo que ofrece una respuesta deficiente y prolongada a los esquemas convencionales de tratamiento, que en ocasiones llevan a una queratoplastia terapéutica-tectónica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Keratoplasty has been the most used technique for the treatment of corneal alterations.  Objective:  To describe the clinical-epidemiological characteristics of therapeutic keratoplasty in patients with severe corneal ulcer.  Method:  A descriptive and cross-sectional observational study was carried out on 17 eyes of 16 patients operated on for therapeutic keratoplasty who presented severe corneal ulcer, admitted to the Ophthalmology service of the Hospital &#8220;Dr. Juan Bruno Zayas Alfonso&#8221; in Santiago de Cuba, in the period from January 2018 to December 2019. The variables studied were: age, gender, origin, occupation, predisposing factors, time of evolution prior to admission, previous topical treatment and causal germ. In the statistical analysis, the absolute frequency and the percentage were used for the qualitative variables, and for the quantitative ones, the mean and the standard deviation.  Results:  Male patients predominated, retired with more than 60 years. Non-surgical ocular trauma prevailed as a predisposing factor. Prior to admission, antibiotic eye drops were applied more frequently, and the average evolution time was 12.2 days. The most preponderant group of germs was bacteria.  Conclusions:  The link between the causal germ and the application of previous topical medications in a prolonged manner favors the torpid evolution of the disease towards severe forms of corneal ulcer. This evolution offers a poor and prolonged response to conventional treatment schemes, which sometimes lead to a therapeutic-tectonic keratoplasty.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO  Introdução:  A ceratoplastia tem sido a técnica mais utilizada para o tratamento das alterações corneanas.  Objetivo:  Descrever as características clínico-epidemiológicas da ceratoplastia terapêutica em pacientes com úlcera de córnea grave.  Método:  Estudo observacional descritivo e transversal em 17 olhos de 16 pacientes operados de ceratoplastia terapêutica que apresentavam úlcera de córnea grave, internados no serviço de Oftalmologia do Hospital General Docente &#8220;Dr. Juan Bruno Zayas Alfonso&#8221; em Santiago de Cuba no período de janeiro de 2018 a dezembro de 2019. Foram estudadas as variáveis idade, sexo, procedência, ocupação, fatores predisponentes, tempo de evolução antes da admissão, tratamento tópico prévio e germe causal. Na análise estatística, utilizou-se a frequência absoluta e o percentual para as variáveis qualitativas e para as quantitativas, a média e o desvio padrão.  Resultados:  Predominou pacientes do sexo masculino, aposentados com mais de 60 anos. O trauma ocular não cirúrgico prevaleceu como fator predisponente. Antes da internação, colírios antibióticos foram aplicados com maior frequência e o tempo médio de evolução foi de 12,2 dias. O grupo de germes mais preponderante foi o de bactérias.  Conclusões:  A ligação entre o germe causal e a aplicação de medicações tópicas prévias de forma prolongada favorece a evolução entorpecida da doença para formas graves de úlcera de córnea. O que oferece uma resposta pobre e prolongada aos esquemas de tratamento convencionais, que por vezes conduzem a uma queratoplastia tectónica terapêutico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[queratoplastia terapéutica/tectónica]]></kwd>
<kwd lng="es"><![CDATA[úlcera grave de la córnea]]></kwd>
<kwd lng="es"><![CDATA[trauma ocular]]></kwd>
<kwd lng="en"><![CDATA[therapeutic/tectonic keratoplasty]]></kwd>
<kwd lng="en"><![CDATA[severe corneal ulcer]]></kwd>
<kwd lng="en"><![CDATA[eye trauma]]></kwd>
<kwd lng="pt"><![CDATA[ceratoplastia tectônica/terapêutica]]></kwd>
<kwd lng="pt"><![CDATA[úlcera de córnea grave]]></kwd>
<kwd lng="pt"><![CDATA[trauma ocular]]></kwd>
</kwd-group>
</article-meta>
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