Corticosteroids for patients with acute respiratory distress syndrome: a systematic review and meta-analysis of randomized trials
Abstract
INTRODUCTION: Acute respiratory distress syndrome (ARDS) is a rapidly progressing, inflammatory lung disease with a high mortality rate and no specific pharmacological treatment available.
OBJECTIVES: We conducted a systematic review and meta‑analysis on corticosteroid use in ARDS.
METHODS: We searched 4 medical literature databases and retained randomized controlled trials on the use of corticosteroids in hospitalized adults with ARDS, which could be found there until February 2020. Two reviewers identified eligible studies, independently extracted data, and evaluated the risk of bias. The authors assessed the certainty of evidence using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach.
RESULTS: We included 7 randomized controlled trials involving 851 patients. They showed that corticosteroids reduced all‑cause mortality (risk ratio [RR], 0.75; 95% CI, 0.59-0.95; P = 0.02; moderate certainty) and the duration of mechanical ventilation (mean difference [MD], -4.93 days; 95% CI; -7.81 to -2.06; P <0.001; low certainty), and increased the number of ventilator‑free days (MD, 4.28 days; 95% CI, 2.67-5.88; P <0.001; moderate certainty), as compared with placebo. Corticosteroids also increased the risk of hyperglycemia (RR, 1.12%; 95% CI, 1.01-1.24; P = 0.03; moderate certainty), and the effect on neuromuscular weakness was unclear (RR, 1.3; 95% CI, 0.8-2.11; P = 0.28; low certainty).
CONCLUSIONS: These results suggest that systemic…
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: 851 participants or records.
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