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      COVID-19 Y TABAQUISMO: REVISIÓN SISTEMÁTICA Y METAANÁLISIS DE LA EVIDENCIA Translated title: COVID-19 AND SMOKING: A SYSTEMATIC REVIEW AND META-ANALYSIS OF THE EVIDENCE

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          RESUMEN

          Objetivo: el objetivo del estudio ha sido responder a las siguientes preguntas: ¿Se asocia el consumo de tabaco en pacientes con Covid-19 con una progresión negativa y desenlace adverso de la enfermedad? y, ¿se asocia el consumo de tabaco, actual y pasado, a una mayor posibilidad de desarrollar COVID-19?

          Material y Métodos: Se realizó una revisión sistemática (RS) y metaanálisis (MA) de trabajos publicados previamente. La estrategia de búsqueda incluyó todos los descriptores conocidos sobre Covid-19 y tabaco y se realizó en diferentes bases de datos. Se utilizaron modelos estadísticos adecuados para abordar el tamaño del efecto en un metaanálisis: modelo de efectos aleatorios y de efectos fijos.

          Resultados: Fueron identificados 34 artículos en la RS de los cuáles fueron incluidos 19 en el MA. Ser fumador o ex fumador se mostró como un factor de riesgo para una peor progresión de la infección por Covid-19 (OR 1,96 IC 95%, 1,36 – 2,83) y una mayor probabilidad de presentar una condición más crítica de la infección (OR 1,79 IC 95%, 1,19 – 2,70). Como limitaciones del MA encontramos que la mayoría de los estudios analizados eran observacionales con un sesgo de publicación limitado y con dos estudios discrepantes con el resto, aunque tras retirarlos del MA se mantenía el tabaco como un factor de riesgo de peor evolución.

          Conclusión: El tabaquismo actual y pasado produce una forma clínica más grave de la Covid-19 y lleva con mayor frecuencia a estos pacientes a ingresar en cuidados intensivos, sean intubados y mueran.

          ABTRACT

          Objective: The aim of this study was to determine if tobacco use in patients with Covid-19 is associated with a negative disease course and adverse outcome, and if smoking, current and past, is associated with a greater possibility of developing COVID-19.

          Material and Methods: A systematic review (SR) and meta-analysis (MA) of previously published works were performed. The search strategy included all known descriptors for Covid-19 and tobacco and was conducted in different databases. Appropriate statistical models were used to address the effect size in meta-analysis, namely random effects and fixed effects model.

          Results: Thirty-four articles were identified in the SR of which 19 were included in the MA. Being a smoker or former smoker was shown to be a risk factor for worse progression of Covid-19 infection (OR 1.96, 95% CI, 1.36 - 2.83) and a greater probability of presenting a more critical condition (OR 1.79 95% CI, 1.19 - 2.70). As limitations of the MA, we found that most of the studies analyzed were observational with limited publication bias. Two studies that disagreed with the rest were included, although after withdrawing them from the MA, smoking was maintained as a risk factor for worse progress.

          Conclusion: Current and past smoking produces a more serious clinical form of Covid-19 and more frequently leads to intensive care admission, intubation, and death.

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          Author and article information

          Contributors
          Journal
          Arch Bronconeumol
          Arch. Bronconeumol
          Archivos De Bronconeumologia
          SEPAR. Published by Elsevier España, S.L.U.
          0300-2896
          1579-2129
          25 July 2020
          25 July 2020
          Affiliations
          [1 ]Unidad Especializada de Tabaquismo de la Comunidad de Madrid. Madrid. España
          [2 ]Servicio de Neumología. Hospital General Universitario Gregorio Marañón. Madrid. España
          [3 ]Departamento de Historia de la Ciencia y Documentación, Universidad de Valencia, Valencia, España
          [4 ]Senior Scientist & Accredited Professor. Ingenio (CSIC-UPV). UISYS, Joint Research Unit, Universitat de Valencia. Valencia, España
          [5 ]Servicio de Neumología. Hospital Universitario 12 de Octubre. Universidad Complutense de Madrid. Madrid. España
          Author notes
          [* ]Autor de Correspondencia: C/Cavanilles 43, 7ºE. 28007 Madrid, España igo01m@ 123456gmail.com
          Article
          S0300-2896(20)30236-2
          10.1016/j.arbres.2020.06.024
          7381922
          34629638
          fa6f5c2f-bc85-4a54-81c0-83f7354620ed
          © 2020 SEPAR. Published by Elsevier España, S.L.U. All rights reserved.

          Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

          History
          : 5 May 2020
          : 23 June 2020
          Categories
          Article

          smoking,covid-19,odds ratio,systematic review,meta-analysis
          smoking, covid-19, odds ratio, systematic review, meta-analysis

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