The effects and safety of omega-3 fatty for acute lung injury: a systematic review and meta-analysis
Abstract
BACKGROUND: Several randomized controlled trials (RCTs) have compared the treatment of acute lung injury (ALI) with omega-3 fatty, yet the results remained inconsistent. Therefore, we attempted this meta-analysis to analyze the role of omega-3 fatty in the treatment of ALI patients.
METHODS: We searched PubMed databases from inception date to October 31, 2019, for RCTs that compared the treatment of ALI with or without omega-3 fatty. Two authors independently screened the studies and extracted data from the published articles. Summary mean differences (MD) with 95% confidence intervals (CI) were calculated for each outcome by fixed- or random-effects model.
RESULTS: Six RCTs with a total of 277 patients were identified, of whom 142 patients with omega-3 fatty acid treatment and 135 patients without omega-3 fatty treatment. Omega-3 fatty treatments significantly improve the PaO2 (MD = 13.82, 95% CI 8.55-19.09), PaO2/FiO2 (MD = 33.47, 95% CI 24.22-42.72), total protein (MD = 2.02, 95% CI 0.43-3.62) in ALI patients, and omega-3 fatty acid treatments reduced the duration of mechanical ventilation (MD = - 1.72, 95% CI - 2.84 to - 0.60) and intensive care unit stay (MD = - 1.29, 95% CI - 2.14 to - 0.43) in ALI patients.
CONCLUSIONS: Omega-3 fatty can effectively improve the respiratory function and promote the recovery of ALI patients. Future studies focused on the long-term efficacy and safety of omega-3 fatty use for ALI are needed.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 277 participants or records.
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