Objective: To estimate fatality rates due to severe acute respiratory distress syndrome (ARDS) related to COVID-19 in Brazilian women, comparing pregnant and postpartum women with nonpregnant women.

Methods: A cross-sectional study of 12 566 pregnant and postpartum women (obstetric group) and 90 025 nonpregnant women (nonobstetric group) aged 15-49 years reported with severe ARDS in 2020. The Brazilian ARDS Surveillance System was used to compare the outcome (death or cure) between the groups, considering age, race, or comorbidities.

Results: The mortality rate related to ARDS/COVID-19 in the obstetric group was 7.8% (377/4853) compared with 13.9% (5946/42 915) in the nonobstetric group. Comorbidity was associated with increased fatality cases for both groups, but higher in the nonobstetric group (22.8% vs 13.3%). In the obstetric group, deaths related to COVID-19 were concentrated in the third trimester or postpartum period. If comorbidity was present, deaths by COVID-19 were 4.4 times higher than ARDS due to other etiologies, and twice higher in women who self-reported as black (13.7%) than white women (6.7%). Considering ADRS etiology, deaths by COVID-19 were 3.4-6.7 times higher than any other etiology.

Conclusion: ARDS related to COVID-19 in obstetric patients was an important factor for worse clinical outcomes, with 3-6 times higher death rates than other ARDS etiologies. Pregnant and postpartum women with severe ARDS related to COVID-19 had a lower fatality rate than nonpregnant women, even with associated comorbidity.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9087770PMC
http://dx.doi.org/10.1002/ijgo.13804DOI Listing

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