<?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>0864-0289</journal-id>
<journal-title><![CDATA[Revista Cubana de Hematología, Inmunología y Hemoterapia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Hematol Inmunol Hemoter]]></abbrev-journal-title>
<issn>0864-0289</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-02892023000100014</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones hematológicas en sangre periférica de pacientes con COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Hematological alterations in peripheral blood of patients with COVID-19]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roque García]]></surname>
<given-names><![CDATA[Wilfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simón Pita]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Rego]]></surname>
<given-names><![CDATA[Yaquima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez García]]></surname>
<given-names><![CDATA[Katiuska]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lam Díaz]]></surname>
<given-names><![CDATA[Rosa María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Hematología e Inmunología  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>39</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-02892023000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-02892023000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-02892023000100014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los primeros casos con neumonía atípica de etiología desconocida fueron reportados en Wuhan, China en diciembre de 2019. En enero 2020 se describió como agente causal un nuevo tipo de virus de la familia Coronaviridae, denominado SARS-CoV-2.  Objetivo: Evaluar la significación clínica de los cambios hematológicos y morfológicos en la sangre periférica de pacientes con COVID-19.  Métodos:  Se realizó un estudio descriptivo, observacional, transversal que incluyó a los pacientes con COVID-19 que ingresaron en el Hospital Clínico Quirúrgico Docente Freyre de Andrade desde el 1ro de junio hasta 31 de septiembre de 2021. Los pacientes fueron asignados a dos grupos según fueron admitidos, en las unidades de vigilancia intensiva o en la unidad de cuidados intensivos. Se les realizó hemograma completo y lámina periférica el día del ingreso para evaluar la significación clínica de estas variables en la evolución de estos pacientes.  Resultados: El sexo femenino predominó en los pacientes ingresados en unidades de vigilancia intensiva (67,36 %) y el masculino en los ingresados en unidades de cuidados intensivos (63,26 %). La media de edad fue mayor en el grupo de pacientes en cuidados intensivos (65,83 años). La leucocitosis y el menor recuento de plaquetas predominaron en los pacientes ingresados en cuidados intensivos, seguido de linfopenia. Las macroplaquetas, las vacuolas citoplasmáticas y las granulaciones tóxicas fueron más frecuentes en el grupo de cuidados intensivos.  Conclusiones:  El hemograma y el frotis de sangre periférica son útiles para diagnosticar y predecir la evolución de los pacientes y permiten un mejor manejo de la infección.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The first cases of atypical pneumonia of unknown etiology were reported in Wuhan, China in December 2019. In January 2020 a new virus from Coronaviridae family was described as causal agent and was named SARS-COV-2.  Objectives: To evaluate the clinical significance of numerical values of complete blood count (CBC) and morphologic changes on peripheral blood on patients with COVID-19.  Methods: A descriptive, observational, transversal study included patients with diagnosis of COVID-19 admitted in Freyre de Andrade Hospital in Havana, between June 1st and September 31st of 2022 was carried out. Patients were assigned to two groups according to their admission in intensive vigilance ward or intensive care unit. CBC test and peripheral blood smear were performed on admission day to evaluate the significance on clinical evolution.  Results:  Female sex predominated on intensive vigilance group (67,36 %) and male in intensive care group (63,26 %). Media of age was superior in intensive care group (67,83 years). Leukocytosis and low level of platelets count were significantly more common in more severe group followed by lymphopenia. The presence of big platelets, cytoplasmic vacuoles and toxic granules were more common in intensive care unit group.  Conclusions: The CBC and peripheral blood smear are useful tools to diagnose and predict clinical evolution and allow a better management of infection.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[sangre periférica]]></kwd>
<kwd lng="es"><![CDATA[hemograma]]></kwd>
<kwd lng="es"><![CDATA[morfología celular]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[peripheral blood]]></kwd>
<kwd lng="en"><![CDATA[complete blood count]]></kwd>
<kwd lng="en"><![CDATA[cell morphology]]></kwd>
</kwd-group>
</article-meta>
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