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Effects of prone position versus usual care on acute hypoxaemic respiratory failure in patients with COVID‑19: a systematic review and meta-analysis of randomized controlled trials (preprint)
researchsquare; 2022.
Preprint in English | PREPRINT-RESEARCHSQUARE | ID: ppzbmed-10.21203.rs.3.rs-2320746.v1
ABSTRACT

Background:

Previous studies have shown that prone position may be beneficial for the treatment of acute respiratory distress syndrome (ARDS) or acute hypoxic respiratory failure (AHRF) in COVID-19 patients, but the results are not consistent, especially in terms of oxygenation outcomes and intubation rate. This systematic review and meta-analysis assessed the effects of prone position on AHRF in COVID-19 patients with all randomized controlled trials (RCTs).

Methods:

An extensive search of online databases, including MEDLINE, Embase, Web of Science and Cochrane Central Register of Controlled Trials from December 1, 2019 to October 30, 2022, with no language restrictions. This systematic review and meta-analysis are based on the PRISMA statement and has been registered on the International Prospective Register of Systematic Reviews (PROSPERO) with the registered ID CRD42022367885. We only included RCTs and used Cochrane risk assessment tool for quality assessment.

Results:

Twelve RCTs fulfilled the selection criteria and 3154 patients were included. Meta-analysis found that patients in prone position group had more significant improvement in the SpO2/FiO2 ratio (mean difference [MD] 29.76; 95% confidence interval [CI] 1.39 to 48.13; P=0.001) compared with usual care. Prone position also reduced the need for intubation (odd ratio [OR] 0.72; 95% CI 0.62 to 0.85; P<0.0001; I2=0%). There was no significant difference in mortality, hospital length of stay, incidence of intensive care unit (ICU) admission and adverse events between the two groups.

Conclusions:

Prone position was a promising intervention method, which is beneficial to improve the oxygenation of patients with ARDS or AHRF caused by COVID-19 and can reduce the need for intubation. However, prone position had no significant difference in mortality, hospital length of stay, incidence of ICU admission and adverse events.
Subject(s)

Full text: Available Collection: Preprints Database: PREPRINT-RESEARCHSQUARE Main subject: Respiratory Distress Syndrome / Respiratory Insufficiency / COVID-19 Language: English Year: 2022 Document Type: Preprint

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Full text: Available Collection: Preprints Database: PREPRINT-RESEARCHSQUARE Main subject: Respiratory Distress Syndrome / Respiratory Insufficiency / COVID-19 Language: English Year: 2022 Document Type: Preprint