<?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>2604-1227</journal-id>
<journal-title><![CDATA[Revista mexicana de oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. oftalmol]]></abbrev-journal-title>
<issn>2604-1227</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oftalmología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2604-12272019000600288</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m19000090</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incidencia y factores de riesgo de retinopatía del prematuro en el Hospital Regional Lic. Adolfo López Mateos, ISSSTE]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidence and risk factors of retinopathy of prematurity in the Lic. Adolfo López Mateos Regional Hospital, ISSSTE]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa-Araujo]]></surname>
<given-names><![CDATA[Dora A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Peredo]]></surname>
<given-names><![CDATA[Vanesa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero-Martínez]]></surname>
<given-names><![CDATA[Jessica T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Rodríguez]]></surname>
<given-names><![CDATA[Nancy L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina-Contreras]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Seguridad de Seguridad y Servicios Sociales de los Trabajadores del Estado Hospital Regional Lic Servicio de Retina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Infantil de México Federico Gómez Departamento de Investigación en Salud Comunitaria ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Infantil de México Federico Gómez Laboratorio de Investigación en Inmunología y Proteómica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</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>93</volume>
<numero>6</numero>
<fpage>288</fpage>
<lpage>294</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272019000600288&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272019000600288&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272019000600288&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar la incidencia de retinopatía del prematuro (ROP) y analizar los principales factores de riesgo en la población de recién nacidos prematuros del Hospital Lic. Adolfo López Mateos.  Método: Se realizó un estudio prospectivo en el que se incluyeron prematuros con edad = 34 semanas de gestación (SDG), con peso = 2,000 g, durante el periodo de septiembre de 2017 a julio de 2018. Se analizaron factores de riesgo como edad gestacional, peso al nacer, oxigenoterapia, sepsis, transfusión sanguínea, uso de surfactante, uso de esteroide posnatal, síndrome de distrés respiratorio, gestación múltiple, displasia broncopulmonar, persistencia del conducto arterioso, hemorragia intraventricular, episodios de apnea. Se realizó un análisis estadístico para variables continuas y variables categóricas, regresión logística univariada y multivariada  Resultados: Se estudiaron 91 pacientes prematuros, y se observaron 27 casos de ROP (29.6%). La incidencia de ROP fue mayor en pacientes que pesaban &lt; 1,300 g o &lt; 29 SDG. Se encontró asociación significativa de riesgo para sepsis (OR: 8.48; IC 95%: 3.07-23.44), SDG = 29 (OR: 16.3; IC 95%: 4.06-65.34) y peso al nacer &lt; 1,000 g (OR: 11.25; IC 95%: 2.89-43.8).  Conclusiones: Este estudio demuestra que los principales factores de riesgo para el desarrollo de ROP son sepsis, edad gestacional y peso al nacimiento. La edad gestacional &lt; 29 SDG y el peso al nacer &lt; 1,000 g son particularmente importantes. En un modelo de regresión logística multivariada, la sepsis y el tiempo de gestación fueron los principales factores asociados al desarrollo de ROP. Es importante evaluar a todos los recién nacidos pretérmino de = 34 SDG y/o &lt; 1,750 g de peso al nacimiento, y debe prestarse mayor atención a los más pequeños.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the incidence of retinopathy of prematurity (ROP), and to analyze the main risk factors in premature newborns of the Hospital Lic. Adolfo López Mateos.  Methods: We performed a prospective study with preterm infants with &lt; 34 weeks of gestational age and a weight &lt; 2000 g, during the period from September 2017 to July 2018. We analyzed risk factors such as gestational age, birth weight, treatment with oxygen, sepsis, blood transfusion, surfactant use, postnatal steroid use, respiratory distress syndrome, multiple pregnancy, bronchopulmonary dysplasia, patent ductus arteriosus, intraventricular hemorrhage, and apnea episodes. We analyzed continuous and categorical variables, performed a univariate logistic regression, and calculated a multivariate logistic regression model.  Results: Ninety-one premature patients were studied from which 27 had ROP (29.6%). ROP incidence was greater in patients weighing &lt; 1300 g or with a gestational age &lt; 29 weeks. We found a significant risk association with sepsis (Odds ratio [OR] 8.48, 95% confident interval [CI] 3.07-23.44), gestational age = 29 weeks (16.3, 95% CI 4.06-65.34), and birth weight &lt; 1000 g (OR 11.25, 95% CI 2.89-43.8).  Conclusions: This study demonstrates that the main risk factors for ROP are sepsis, gestational age, and birth weight. A gestational age &lt; 29 weeks and a birth weight &lt; 1000 g are particularly important. In a multivariate logistic regression model, sepsis and gestational age were the main factors associated with ROP. It is important to evaluate all newborns with a gestational age = 34 weeks and/or weighing &lt; 1750 g, with particular emphasis to smaller newborns.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Retinopatía del prematuro]]></kwd>
<kwd lng="es"><![CDATA[Incidencia]]></kwd>
<kwd lng="es"><![CDATA[Factores de riesgo]]></kwd>
<kwd lng="en"><![CDATA[Retinopathy of prematurity]]></kwd>
<kwd lng="en"><![CDATA[Incidence]]></kwd>
<kwd lng="en"><![CDATA[Risk factors]]></kwd>
</kwd-group>
</article-meta>
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