<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242023000300455</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Obesidad: un factor de riesgo en pacientes con COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Obesity: a risk factor in patients with COVID-19]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rufín-Gómez]]></surname>
<given-names><![CDATA[Lorenzo Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez-Fuentes]]></surname>
<given-names><![CDATA[Betsy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez-Martínez]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Matanzas  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Provincial de Higiene, Epidemiología y Microbiología  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></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>45</volume>
<numero>3</numero>
<fpage>455</fpage>
<lpage>466</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242023000300455&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242023000300455&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242023000300455&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Informes recientes dan cuenta de una fuerte asociación entre la obesidad y la severidad de la infección de COVID-19, lo cual se fundamenta en la presencia de un estado proinflamatorio crónico en el paciente obeso, vinculado a trastornos metabólicos y del sistema inmune. Este trabajo tiene como objetivo revisar los más recientes estudios sobre la asociación positiva que se establece entre la obesidad, como factor de riesgo, y la severidad y mortalidad de los pacientes con COVID-19; también renovar los mecanismos involucrados, para lo cual se seleccionaron artículos publicados -principalmente en los últimos cinco años- en las bases de datos PubMed, SciELO, ClinicalKey y LILACS, y en el motor de búsqueda Google Académico. Estos estudios incluyeron, entre otros parámetros, el Índice de Masa Corporal y su asociación a la severidad y mortalidad por COVID-19. Como resultado, la evidencia clínica sugiere que el sobrepeso y la obesidad presentan una alta prevalencia en los casos severos de pacientes adultos con COVID-19. Se concluye que la obesidad, en estos pacientes, requiere de un manejo particular, pues debe ser considerada un factor de riesgo independiente de otras comorbilidades. Esto se debe a su contribución a una mayor susceptibilidad y severidad, asociándose positivamente con alteraciones del sistema inmune y con reacciones hiperinflamatorias por liberación excesiva de citoquinas, comprometiendo el funcionamiento de órganos y sistemas y potenciando las complicaciones de la infección de SARS-CoV-2 y la mortalidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Recent reports indicate a strong association between obesity and the severity of COVID-19 infection, which is based on the presence of a chronic pro-inflammatory state in obese patients, linked to metabolic and immune system disorders. This paper aims to reviewing the most recent studies on the positive association established between obesity, as a risk factor, and severity and mortality of patients with COVID-19; it also aims to renew the involved mechanisms, for which articles published-mainly in the last five years-in the PubMed, SciELO, Clinical Key and LILACS databases, and in the Google Scholar search engine were selected. These studies included, among other parameters, the body mass index and its association to severity and mortality due to COVID-19. As a result, the clinical evidence suggests that overweight and obesity have a high prevalence in severe cases of adult patients with COVID-19. It is concluded that obesity, in these patients, requires a particular management, as it should be considered a risk factor independent of other comorbidities. This is due to its contribution to a greater susceptibility and severity, positively associated to alterations of the immune system and to hyper-inflammatory reactions by excessive release of cytokines, compromising the functioning of organs and systems and enhancing the complications of SARS-CoV-2 infection and mortality.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[obesidad]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[Índice de Masa Corporal]]></kwd>
<kwd lng="es"><![CDATA[sistema inmune]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[body mass index]]></kwd>
<kwd lng="en"><![CDATA[immune system]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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