<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662022000100108</article-id>
<article-id pub-id-type="doi">10.15174/au.2022.3277</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Lung involvement by chest CT images in covid-19 patients in a Specialty Hospital in the Northeast of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Afectación pulmonar mediante imágenes de TC de tórax en pacientes con covid-19 en un Hospital de Especialidades del Noreste de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Alvarado]]></surname>
<given-names><![CDATA[Francisco Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Hernández]]></surname>
<given-names><![CDATA[Melisa Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segura Lopez]]></surname>
<given-names><![CDATA[Fany Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Aguirre]]></surname>
<given-names><![CDATA[Héctor Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaona Hernández]]></surname>
<given-names><![CDATA[Yazmín Esmeralda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano Rosales]]></surname>
<given-names><![CDATA[Jaime Suriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Department of Health Research ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Department of Radiology, Computed Tomography ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>32</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662022000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662022000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662022000100108&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Chest imaging (CT) plays an important role in the detection and diagnosis of covid-19. The objective of this study is the local experience of CT-based semi-quantitative score of lung involvement as well as the clinical staging in covid-19 patients at the Specialty Medical Institution No. 71 (UMAE, from its Spanish acronym). This is a single-center, retrospective study, in which 71 patients (44 men, 27 women; mean age 50 ± 14.1, range 25-84 years) were selected with positive tests of RT-PCR for SARS-CoV-2 and a confirmed diagnosis of covid-19. Chest CT images showed as predominant pattern the mixed pattern (n = 26, 36.6%), and other common findings included ground glass opacities (GGO) (n = 25, 35.2%), crazy paving (n = 15, 21.1%), and lung consolidation (n = 5, 7.0%). The chest computed tomography findings were bilateral lesions (n = 64, 90.1%), subpleural distribution (n = 61, 85.9%), and lower lobes (n = 31, 43,6%). The characteristic pulmonary tomographic pattern was ground-glass opacities and a bilateral mixed pattern of peripheral distribution towards the posterior regions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La imagen de tórax (TC) tiene un papel importante en la detección y diagnóstico de covid-19. El objetivo de este estudio es la experiencia local de la puntuación semicuantitativa de la afectación pulmonar basada en la TC, así como la estadificación clínica en pacientes con covid-19 en la Unidad Médica de Alta Especialidad N° 71 (UMAE). Se trata de un estudio retrospectivo unicéntrico, en el que se seleccionaron 71 pacientes (44 hombres, 27 mujeres; edad media 50 ± 14.1, rango 25-84 años) con pruebas positivas de RT-PCR para SARS-CoV-2 y diagnóstico confirmado por covid-19. Las imágenes de TC de tórax mostraban como patrón predominante el patrón mixto (n = 26, 36.6%), y otros hallazgos comunes incluían opacidades en vidrio esmerilado (GGO, por sus siglas en inglés) (n = 25, 35.2%), el patrón de crazy paving (n = 15, 21.1%) y consolidación pulmonar (n = 5, 7.0%). Los hallazgos de la tomografía computarizada de tórax fueron lesiones bilaterales (n = 64, 90.1%), distribución subpleural (n = 61, 85.9%) y lóbulos inferiores (n = 31, 43.6%). El patrón tomográfico pulmonar característico fue opacidades en vidrio esmerilado y un patrón mixto bilateral de distribución periférica hacia las regiones posteriores.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Chest computed tomography]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[clinical]]></kwd>
<kwd lng="es"><![CDATA[Tomografía computarizada de tórax]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[clínica]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Coronavirus disease 2019 (covid-19): A perspective from China]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2020</year>
<volume>296</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>15-25</page-range></nlm-citation>
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</ref-list>
</back>
</article>
