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Lal A, Garces JPD, Bansal V, Tekin A, Zec S, Khanna AK, Warner MA, Christie AB, Cartin-Ceba R, Banner-Goodspeed VM, Armaignac DL, Cheruku SR, Raju U, Tarabichi Y, Denson JL, Kumar V, Walkey A, Boman K, Deo N, Kashyap R, Gajic O, from the Society of Critical Care Medicine Discovery Viral Infection RIUSC-RIG: Pre-hospital Aspirin Use and Patient Outcomes in COVID-19: Results from the International Viral Infection and Respiratory Illness Universal Study (VIRUS). Arch Bronconeumol 2022; 58: 746-753

July 26, 2022

Introduction:
The goal of this investigation is to assess the association between prehospital use of aspirin (ASA) and patient-centered outcomes in a large global cohort of hospitalized COVID-19 patients. Methods: This study utilizes data from the Society of Critical Care Medicine Discovery Viral Infection and Respiratory Illness Universal Study (VIRUS) Registry. Adult patients hospitalized from February 15th, 2020, to September 30th, 2021, were included. Multivariable regression analyses were utilized to assess the association between pre-hospital use of ASA and the primary outcome of overall hospital mortality. Results: 21,579 patients were included from 185 hospitals (predominantly US-based, 71.3%), with 4691 (21.7%) receiving pre-hospital ASA. Patients receiving ASA, compared to those without pre-admission ASA use, were generally older (median 70 vs. 59 years), more likely to be male (58.7 vs. 56.0%), caucasian (57.4 vs. 51.6%), and more commonly had higher rates of medical comorbidities. In multivariable analyses, patients receiving pre-hospital ASA had lower mortality (HR: 0.89, 95% CI 0.82–0.97, p = 0.01) and reduced hazard for progression to severe disease or death (HR: 0.91, 95% CI 0.84–0.99, p = 0.02) and more hospital free days (1.00 days, 95% CI 0.66–1.35, p = 0.01) compared to those without pre-hospital ASA use. The overall direction and significance of the results remained the same in sensitivity analysis, after adjusting the multivariable model for time since pandemic.
Conclusions: In this large international cohort, pre-hospital use of ASA was associated with a lower hazard for death in hospitalized patients with COVID-19. Randomized controlled trials may be warranted to assess the utility of pre-hospital use of ASA. © 2022 SEPAR. Published by Elsevier Espa ˜na, S.L.U. All rights reserved.