Prognosis of hospitalized smoking patients for COVID-19: Integrative review

Abstract

Objective: to analyze the scientific evidence on the prognosis of smokers who were hospitalized for COVID-19. Method: integrative review based on the PICO strategy, carried out with 21 articles indexed in Pubmed, Web of Science, Lilacs and SCOPUS databases, in May 2021. Results: 798 studies were identified, and of these 21 made up the sample. The main prognoses identified were: increased risk of hospitalization, increased risk of COVID-19 severity, greater occurrences of hospitalization and long stay in the Intensive Care Unit, greater chances of using continuous ventilation and higher mortality rates. Conclusion: there was evidence of a relationship between smoking and higher rates of hospitalization, worsening of the disease, higher chances of admission to Intensive Care Units, need for mechanical ventilation and high mortality rates. It also encourages the production of studies aimed at studying unfavorable characteristics in the evolution of COVID-19.