• Intensive care medicine · May 2021

    Meta Analysis

    Corticosteroids in COVID-19 and non-COVID-19 ARDS: a systematic review and meta-analysis.

    • Dipayan Chaudhuri, Kiyoka Sasaki, Aram Karkar, Sameer Sharif, Kimberly Lewis, Manoj J Mammen, Paul Alexander, Zhikang Ye, Luis Enrique Colunga Lozano, Marie Warrer Munch, Anders Perner, Bin Du, Lawrence Mbuagbaw, Waleed Alhazzani, Stephen M Pastores, John Marshall, François Lamontagne, Djillali Annane, Gianfranco Umberto Meduri, and Bram Rochwerg.
    • Department of Medicine, McMaster University, Hamilton, ON, Canada.
    • Intensive Care Med. 2021 May 1; 47 (5): 521-537.

    PurposeCorticosteroids are now recommended for patients with severe COVID-19 including those with COVID-related ARDS. This has generated renewed interest regarding whether corticosteroids should be used in non-COVID ARDS as well. The objective of this study was to summarize all RCTs examining the use of corticosteroids in ARDS.MethodsThe protocol of this study was pre-registered on PROSPERO (CRD42020200659). We searched online databases including MEDLINE, EMBASE, CDC library of COVID research, CINAHL, and COCHRANE. We included RCTs that compared the effect of corticosteroids to placebo or usual care in adult patients with ARDS, including patients with COVID-19. Three reviewers abstracted data independently and in duplicate using a pre-specified standardized form. We assessed individual study risk of bias using the revised Cochrane ROB-2 tool and rated certainty in outcomes using GRADE methodology. We pooled data using a random effects model. The main outcome for this review was 28-day-mortality.ResultsWe included 18 RCTs enrolling 2826 patients. The use of corticosteroids probably reduced mortality in patients with ARDS of any etiology (2740 patients in 16 trials, RR 0.82, 95% CI 0.72-0.95, ARR 8.0%, 95% CI 2.2-12.5%, moderate certainty). Patients who received a longer course of corticosteroids (over 7 days) had higher rates of survival compared to a shorter course.ConclusionThe use of corticosteroids probably reduces mortality in patients with ARDS. This effect was consistent between patients with COVID-19 and non-COVID-19 ARDS, corticosteroid types, and dosage.

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