• Jianfei Zhu, Qing Long, Huihui Mao, and Weirong Ran.
• Department of Nephropathy and Rheumatology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei Province, China.
• Medicine (Baltimore). 2021 Jun 11; 100 (23): e26154e26154.

BackgroundAt present, whether respiratory training can improve the lung function, quality of life, and mental health of patients with Coronavirus Disease 2019 (COVID-19) is still controversial. Therefore, in order to provide new evidence-based medicine for clinical treatment, we conducted a systematic review and meta-analysis to evaluate the effects of respiratory training in improving lung function, quality of life, and mental health of patients with COVID-19.MethodsRelevant publications were searched from clinical trials. Computer was used to retrieve Cochrane Central Register of Controlled Trials Repositories, PubMed, Embase, and Web of Science databases. The retrieval time limit was from the establishment of the database to April 2021. Two researchers independently carried out data extraction and literature quality evaluation on the quality and meta-analysis of the included literature was performed with Revman 5.3 software.ResultsThe results of this meta-analysis will be submitted to a peer-reviewed journal for publication.ConclusionThis study will provide reliable evidence-based evidence on the effects of breathing training on lung function, bad mood, and quality of life in patients with COVID-19.Ethics And DisseminationEthical approval was not required for this study. The systematic review will be published in a peer-reviewed journal, presented at conferences, and shared on social media platforms.Osf Registration NumberDOI 10.17605/OSF.IO/ZQTGY.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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