<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2023000200233</article-id>
<article-id pub-id-type="doi">10.24875/ciru.22000233</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El papel de los corticoesteroides en pacientes hospitalizados por COVID-19 en el Hospital General de México]]></article-title>
<article-title xml:lang="en"><![CDATA[The role of corticosteroids in patients hospitalized for COVID-19 at Mexico general Hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iturbide-Mauricio]]></surname>
<given-names><![CDATA[Leonel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios-Vaca]]></surname>
<given-names><![CDATA[Jessica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calleja-López]]></surname>
<given-names><![CDATA[Jesús R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Navarro]]></surname>
<given-names><![CDATA[Monserrat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-García]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-García]]></surname>
<given-names><![CDATA[Ana M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Iztacala Departamento de Servicio Social]]></institution>
<addr-line><![CDATA[Tlalnepantla de Baz Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sonora Departamento de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Secretaría de Salud Hospital General de México Dr. Eduardo Liceaga Servicio de Nefrología]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital General de México Dr. Eduardo Liceaga Dirección de Educación y Capacitación en Salud ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Secretaría de Salud Hospital General de México Dr. Eduardo Liceaga Departamento de Farmacología Clínica]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>91</volume>
<numero>2</numero>
<fpage>233</fpage>
<lpage>239</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2023000200233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2023000200233&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2023000200233&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo. Comparar la evolución de los pacientes hospitalizados infectados por SARS-CoV-2 que recibieron tratamiento a base de corticoesteroides frente a los pacientes que recibieron la terapia estándar.  Método. Estudio de tipo retrospectivo, observacional y analítico. Se recolectaron los expedientes clínicos de las diferentes unidades de terapia intensiva y se obtuvieron datos de los pacientes confirmados de COVID-19, mayores de 18 años, que estuvieron hospitalizados. Se dividió la población en dos grupos: pacientes que recibieron tratamiento con corticoesteroides y pacientes que recibieron terapia estándar.  Resultados. De un total de 1603 pacientes ingresados a hospitalización, 984 (62.9%) fallecieron. El resultado principal fue la identificación mediante razón de momios (odds ratio [OR]: 4.68; intervalo de confianza del 95% [IC95%]: 3.75-5.83; p = 0.001) como riesgo para defunción con uso de esteroides sistémicos, así como con uso de ventilación mecánica invasiva (OR: 2.26; IC95%: 1.80-2.82; p &lt; 0.001). El sexo masculino fue el más afectado, con 1051 (65.6%) pacientes. La media de edad fue de 56 años (± 14).  Conclusiones. El uso de corticoesteroides se asoció con mal pronóstico en los pacientes hospitalizados por COVID-19, en comparación con los que recibieron la terapia estándar.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective. To compare the evolution of hospitalized patients infected with SARS-CoV-2 who received corticosteroid-based treatment versus patients who received standard therapy.  Method. Retrospective, observational, and analytical study. Clinical records were collected from the different intensive care units, and data were obtained from confirmed COVID-19 patients over 18 years of age who were hospitalized. The population was divided into two groups: patients who received corticosteroid treatment, and those who received standard therapy.  Results. A total of 1603 patients were admitted to hospital, and of these 984 (62.9%) were discharged due to death. The main result was the identification by odds ratio (OR: 4.68; 95% confidence interval [95% CI]: 3.75-5.83; p = 0.001) as risk for death to the use of systemic steroids, as well as the use of invasive mechanical ventilation (OR: 2.26; 95% CI: 1.80-2.82; p &lt; 0.001). The male gender was the most affected with 1051 (65.6%) patients. Mean age was 56 years (± 14).  Conclusions. Corticosteroid use was associated with poor prognosis in patients hospitalized for COVID-19 compared to those receiving standard therapy.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Mortalidad]]></kwd>
<kwd lng="es"><![CDATA[Corticoesteroides]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia respiratoria aguda]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Mortality]]></kwd>
<kwd lng="en"><![CDATA[Corticosteroids]]></kwd>
<kwd lng="en"><![CDATA[Acute respiratory failure]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Horby]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[WS]]></given-names>
</name>
<name>
<surname><![CDATA[Emberson]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Mafham]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bell]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Linsell]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<collab>RECOVERY Collaborative Group</collab>
<article-title xml:lang=""><![CDATA[Dexamethasone in hospitalized patiens with COVID-19]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2021</year>
<volume>384</volume>
<page-range>693-704</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salata]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Calistri]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Parolin]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Palù]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coronaviruses:a paradigm of new emerging zoonotic diseases]]></article-title>
<source><![CDATA[Pathog Dis]]></source>
<year>2019</year>
<volume>77</volume>
<page-range>ftaa006</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pan]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Peto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Henao-Restrepo]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Preziosi]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
<name>
<surname><![CDATA[Sathiyamoorthy]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Abdool Karim]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
</person-group>
<collab>WHO Solidarity Trial Consortium</collab>
<article-title xml:lang=""><![CDATA[Repurposed antiviral drugs for COVID-19 —interim WHO Solidarity trial results]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2021</year>
<volume>384</volume>
<page-range>497-511</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villar]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrando]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Ambrós]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Soler]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dexamethasone in ARDS network Dexamethasone treatment for the acute respiratory distress syndrome:a multicentre, randomised controlled trial]]></article-title>
<source><![CDATA[Lancet Respir Med]]></source>
<year>2020</year>
<volume>8</volume>
<page-range>267-76</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berlin]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Gulick]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Severe Covid-19]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2020</year>
<volume>383</volume>
<page-range>2451-60</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corral-Gudino]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Abadía-Otero]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Barquero]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Unresolved questions about the treatment of COVID-19 with corticosteroids]]></article-title>
<source><![CDATA[Med Clin (Barc)]]></source>
<year>2020</year>
<volume>156</volume>
<page-range>143-4</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A retrospective cohort study of methylprednisolone therapy in severe patients with COVID-19 pneumonia]]></article-title>
<source><![CDATA[Signal Transduct Target Ther]]></source>
<year>2020</year>
<volume>5</volume>
<page-range>57</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tomazini]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Maia]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
<name>
<surname><![CDATA[Cavalcanti]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Berwanger]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Rosa]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Veiga]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of dexamethasone on days alive and ventilator-free in patients with moderate or severe acute respiratory distress syndrome and COVID-19:the CoDEX randomized clinical trial]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2020</year>
<volume>324</volume>
<page-range>1307-16</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monedero]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gea]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Candela-Toha]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Sanz]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Arruti]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early corticosteroids are associated with lower mortality in critically ill patients with COVID-19:a cohort study]]></article-title>
<source><![CDATA[Crit Care]]></source>
<year>2021</year>
<volume>25</volume>
<page-range>2</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mikulska]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Nicolini]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Signori]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Di Biagio]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sepulcri]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Russo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tocilizumab and steroid treatment in patients with COVID-19 pneumonia]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2020</year>
<volume>15</volume>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Østergaard]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SARS-CoV-2 related microvascular damage and symptoms during and after COVID-19:consequences of capillary transit-time changes tissue hypoxia and inflammation]]></article-title>
<source><![CDATA[Physiol Rep]]></source>
<year>2021</year>
<volume>9</volume>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harrison]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mechanisms of SARS-CoV-2 transmission and pathogenesis]]></article-title>
<source><![CDATA[Trends Immunol]]></source>
<year>2020</year>
<volume>41</volume>
<page-range>1100-15</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rafiullah]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Siddiqui]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uso de corticosteroides en la neumonía viral:experiencia hasta ahora y el avance de la dexametasona en la enfermedad por coronavirus-2019]]></article-title>
<source><![CDATA[Revista de Investigación de Eficacia Comparativa]]></source>
<year>2020</year>
<volume>9</volume>
<page-range>1247-54</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nicolau]]></surname>
<given-names><![CDATA[DV]]></given-names>
</name>
<name>
<surname><![CDATA[Bafadhel]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inhaled corticosteroids in virus pandemics:a treatment for COVID-19?]]></article-title>
<source><![CDATA[Lancet Respir Med]]></source>
<year>2020</year>
<volume>8</volume>
<page-range>846-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Medrano]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Jacoiste Asín]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Ruiz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Carretero]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Lalueza]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Maestro de la Calle]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Immunomodulation Therapy for COVID-19 Group Combination therapy with tocilizumab and corticosteroids for aged patients with severe COVID-19 pneumonia:a single-center retrospective study]]></article-title>
<source><![CDATA[Int J Infect Dis]]></source>
<year>2021</year>
<volume>105</volume>
<page-range>487-94</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lafaurie]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martin-Blondel]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Delobel]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kamar]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Charpentier]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sommet]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of previous exposure to systemic corticosteroids on unfavorable outcome in patients hospitalized for COVID-19]]></article-title>
<source><![CDATA[BMC Pharmacol Toxicol]]></source>
<year>2021</year>
<volume>22</volume>
<page-range>14</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Toda]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Fujii]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Yoshifuji]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kondo]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Itoh]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sekine]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical efficacy and safety of combination therapy of tocilizumab and steroid pulse therapy for critical COVID-19 in HD patients]]></article-title>
<source><![CDATA[Clin Exp Nephrol]]></source>
<year>2021</year>
<volume>26</volume>
<page-range>75-85</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Radovanovic]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Pini]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Franceschi]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Pecis]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Airoldi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rizzi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characteristics and outcomes in hospitalized COVID-19 patients during the first 28 days of the spring and autumn pandemic waves in Milan:an observational prospective study]]></article-title>
<source><![CDATA[Respir Med]]></source>
<year>2021</year>
<page-range>178-106323</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Okoye]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rogani]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Franchi]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pompilii]]></surname>
<given-names><![CDATA[IM]]></given-names>
</name>
<name>
<surname><![CDATA[Calabrese]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Mazzarone]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pitfalls of early systemic corticosteroids home therapy in older patients with COVID-19 pneumonia]]></article-title>
<source><![CDATA[Geriatrics (Basel)]]></source>
<year>2022</year>
<volume>7</volume>
<page-range>21</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Akter]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Araf]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Hosen]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Corticosteroids for COVID-19:worth it or not?]]></article-title>
<source><![CDATA[Mol Biol Rep]]></source>
<year>2021</year>
<volume>49</volume>
<page-range>567-76</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Provencio]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mazarico Gallego]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Calles]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Antoñanzas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pangua]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mielgo Rubio]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lung cancer patients with COVID-19 in Spain:GRAVID study]]></article-title>
<source><![CDATA[Lung Cancer]]></source>
<year>2021</year>
<volume>157</volume>
<page-range>109-15</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Oliveira]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Lupino-Assad]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Medeiros-Ribeiro]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[de Moraes]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Severity and mortality of COVID-19 in patients with systemic sclerosis:a Brazilian multicenter study]]></article-title>
<source><![CDATA[Semin Arthritis Rheum]]></source>
<year>2022</year>
<volume>55</volume>
<page-range>151987</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parra-Bracamonte]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[López-Villalobos]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Parra-Bracamonte]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical characteristics and risk factors for mortality of patients with COVID-19 in a large data set from Mexico]]></article-title>
<source><![CDATA[Ann Epidemiol]]></source>
<year>2022</year>
<volume>52</volume>
<page-range>93-8</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ñamendys-Silva]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado-Ávila]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez-Cherit]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rivero-Sigarroa]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Hurtado]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Villaseñor]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Outcomes of patients with COVID-19 in the intensive care unit in Mexico:a multicenter observational study]]></article-title>
<source><![CDATA[Heart Lung]]></source>
<year>2022</year>
<volume>50</volume>
<page-range>28-32</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cárdenas]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez-Canales]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Jordán-Ríos]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Anica Malagon]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Márquez Murillo]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intranasal dexamethasone:a new clinical trial for the control of inflammation and neuroinflammation in COVID-19 patients]]></article-title>
<source><![CDATA[Trials]]></source>
<year>2022</year>
<volume>23</volume>
<page-range>148</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
