CLINICAL COURSE AND OUTCOME OF COVID-19 ACUTE RESPIRATORY DISTRESS SYNDROME: DATA FROM A NATIONAL REPOSITORY
MD, MPH Ali A El-Solh, MD Umberto G Meduri, MS Yolanda Lawson, PharmD Michael Carter, PharmD Kari A Mergenhagen
doi:10.1101/2020.10.16.20214130
Background: Mortality attributable to coronavirus disease-19 (COVID-19) 2 infection occurs mainly through the development of viral pneumonia-induced acute respiratory distress syndrome (ARDS). Research Question: The objective of the study is to delineate the clinical profile, predictors of disease progression, and 30-day mortality from ARDS using the Veterans Affairs Corporate Data Warehouse. Study Design and Methods: Analysis of a historical cohort of 7,816 hospitalized patients with confirmed COVID-19 infection between January 1, 2020, and August 1, 2020. Main outcomes were progression to ARDS and 30-day mortality from ARDS, respectively. Results: The cohort was comprised predominantly of men (94.5%) with a median age of 69 years (interquartile range [IQR] 60-74 years). 2,184 (28%) were admitted to the intensive care unit and 643 (29.4%) were diagnosed with ARDS. The median Charlson Index was 3 (IQR 1-5). Independent predictors of progression to ARDS were body mass index (BMI)≥ 40 kg/m 2 , diabetes, lymphocyte counts<700x109/L, LDH>450 U/L, ferritin >862 ng/ml, C-reactive protein >11 mg/dL, and Ddimer >1.5 ug/ml. In contrast, the use of an anticoagulant lowered the risk of developing ARDS (OR 0.66 [95% CI 0.49-0.89]. Crude 30-day mortality rate from ARDS was 41% (95% CI 38%-45%). Risk of death from ARDS was significantly higher in those who developed acute renal failure and septic shock. Use of an anticoagulant was associated with two-fold reduction in mortality. Survival benefit was observed in patients who received corticosteroids and/or remdesivir but there was no advantage of combination therapy over either agent alone. Conclusions: Among those hospitalized for COVID-19, nearly one in ten progressed to ARDS. Septic shock, and acute renal failure are the leading causes of death in these patients. Treatment with either remdesivir and corticosteroids reduced the risk of mortality from ARDS. All hospitalized patients with COVID-19 should be placed at a minimum on prophylactic doses of anticoagulation. .
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'abstract': '<jats:sec><jats:title>Background:</jats:title><jats:p> Mortality attributable to coronavirus '
'disease-19 (COVID-19) 2 infection occurs mainly through the development of viral '
'pneumonia-induced acute respiratory distress syndrome (ARDS). '
'</jats:p></jats:sec><jats:sec><jats:title>Research Question:</jats:title><jats:p> The '
'objective of the study is to delineate the clinical profile, predictors of disease '
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'Methods:</jats:title><jats:p> Analysis of a historical cohort of 7,816 hospitalized patients '
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'</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p> The cohort was '
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