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Article Dans Une Revue Thrombosis Research Année : 2021

Risk of symptomatic venous thromboembolism in mild and moderate COVID-19: A comparison of two prospective European cohorts

Caroline Soulie
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Résumé

Background: Severely ill patients with SARS-CoV-2 have an increased risk of venous thromboembolism (VTE) i.e., deep vein thrombosis and pulmonary embolism. However, the VTE risk in patients with mild and moderate COVID-19, hospitalized or managed at home, remain uncertain. The aims of this study were to assess the rate and the risk factors symptomatic VTE, in patients with mild and moderate COVID-19 and to compare them to a cohort of similar patients without COVID-19. Methods: Patients presenting to the emergency department (ED) of participating centers for confirmed or probable mild or moderate COVID-19 and not having acute VTE were included. This COVID-19 cohort was retrospectively compared to a prospective cohort of similar ED patients using propensity score matching. The main outcome was the rate of symptomatic VTE within the 28 days after ED presentation. Results: A total of 2292 patients were included in the COVID-19 cohort. The 28-day incidence of symptomatic VTE was 1.3% (n = 29/2292, 95%CI: 0.9 to 1.8), 2.3% (n = 20/866, 95%CI: 1.5 to 3.5) in moderate COVID-19 patients and 0.6% (n = 9/1426; 95%CI: 0.3 to 1.2) in mild COVID-19 patients managed as outpatients. An age over 65 years and hospitalization were independent risk factors of VTE. After adjustment, patients in the COVID19 cohort had an absolute increase in over symptomatic VTE risk of +1.69% (95%CI, 0.88 to 2.51) versus patients in the comparison cohort (n = 1539). Conclusions: Patients with moderate COVID-19 presenting to the ED had a high risk of subsequent VTE. Trial registration: Ethics committee of the CHU of Angers (N degrees 2020/87).
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hal-03439369 , version 1 (16-10-2023)

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Paternité - Pas d'utilisation commerciale

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Delphine Douillet, Jeremie Riou, Andrea Penaloza, Thomas Moumneh, Caroline Soulie, et al.. Risk of symptomatic venous thromboembolism in mild and moderate COVID-19: A comparison of two prospective European cohorts. Thrombosis Research, 2021, 208, pp.4-10. ⟨10.1016/j.thromres.2021.10.001⟩. ⟨hal-03439369⟩
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