<?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>0864-3466</journal-id>
<journal-title><![CDATA[Revista Cubana de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Sal Públ]]></abbrev-journal-title>
<issn>0864-3466</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-34662022000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mortalidad en neonatos de muy bajo peso al nacer]]></article-title>
<article-title xml:lang="en"><![CDATA[Mortality in very-low-birth-weight infants]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Lemus]]></surname>
<given-names><![CDATA[Osmany]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez González]]></surname>
<given-names><![CDATA[Jorge Alexis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Docente &#8220;Iván Portuondo&#8221;  ]]></institution>
<addr-line><![CDATA[ Artemisa]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>48</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-34662022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-34662022000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-34662022000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los neonatos de muy bajo peso (menores de 1500 g) presentan una baja incidencia, pero una elevada morbilidad y mortalidad.  Objetivo:  Determinar las principales condiciones asociadas a la mortalidad en neonatos de muy bajo peso.  Métodos:  Estudio analítico retrospectivo (caso-control) realizado en el Hospital General Docente &#8220;Iván Portuondo&#8221;. Se incluyeron todos los neonatos con muy bajo peso al nacer. Se estudió el comportamiento de las variables edad materna, vía de nacimiento, género, edad gestacional, peso, puntuación de Apgar, valoración nutricional y causas de muerte, las cuales permitieron comparar vivos y fallecidos. Para la determinación de los principales riesgos se empleó el odds ratio con un intervalo de confianza del 95 %. Se consideró la significación estadística con valor de odds ratio &gt;1,0 y p &lt; 0,05.  Resultados:  Del total de ingresados (156) fallecieron 22 pacientes (14,1 %). El mayor riesgo de muerte estuvo en los neonatos con peso menor a 1000 gramos (odds ratio: 17,91) y edad gestacional inferior a 30 semanas (odds ratio: 3,82). Presentaron mayor riesgo de mortalidad los neonatos con hemorragia pulmonar (odds ratio: 13,3), hemorragia intraventricular (odds ratio: 9,67) y enterocolitis necrosante (odds ratio: 4,03). La principal causa de muerte en estos pacientes de alto riesgo fue la hemorragia intraventricular (27,3 %).  Conclusiones:  La prematuridad y el bajo peso extremo constituyen los principales determinantes relacionados con mortalidad en los neonatos de muy bajo peso. La presencia de hemorragia pulmonar e intraventricular aumentan significativamente el riesgo de muerte en estos neonatos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Very low weight neonates (less than 1500 g) have a low incidence, but a high morbidity and mortality.  Objective:  Determine the main conditions associated with mortality in very low weight neonates.  Methods:  Retrospective analytical study (case-control) carried out at "Iván Portuondo" General Teaching Hospital. All neonates with very low birth weight were included, comparisons were made between living and deceased. The variables maternal age, birth route, gender, gestational age, weight, Apgar score, nutritional assessment and causes of death were studied. For the determination of the main risks, the odds ratio with a 95% confidence interval was used. Statistical significance was considered with the value of odds ratio &gt;1.0 and p &lt; 0.05.  Results:  Of 156 very low birth weight infants, 22 patients died (14.1 %), with a higher risk of death in neonates weighing less than 1000 grams (odds ratio: 17.91) and gestational age less than 30 weeks (odds ratio: 3.82). Infants with pulmonary haemorrhage (odds ratio: 13.3), intraventricular haemorrhage (odds ratio: 9.67) and necrotizing enterocolitis (odds ratio: 4.03) presented a higher risk of mortality. The leading cause of death in these high-risk patients was intraventricular hemorrhage (27.3%).  Conclusions:  Prematurity and extreme low weight are the main determinants related to mortality in very low weight neonates. The presence of pulmonary and intraventricular hemorrhage significantly increases the risk of death in these infants.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[recién nacido]]></kwd>
<kwd lng="es"><![CDATA[bajo peso al nacer]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[newborn]]></kwd>
<kwd lng="en"><![CDATA[low birth weight]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
</kwd-group>
</article-meta>
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