Incidence and clinical profile of venous thromboembolism in hospitalized COVID-19 patients from Madrid region.
2021
Abstract Background COVID-19 related in-hospital venous thromboembolism (VTE) incidence is high but data reported vary significantly. Some studies show that up to half of the events are diagnosed early after admission. Objectives To study symptomatic VTE incidence in acute COVID-19 hospitalized patients and to describe timing of VTE diagnosis. Methods Multicenter cohort of 5966 patients hospitalized with acute COVID-19. Multicenter Registry of 844 hospitalized patients with acute COVID-19 and associated acute VTE. Results By the time of cohort data collection, 68 patients (1.14%) were still hospitalized, 19.8% had died, and 5.4% required ICU. During a median follow-up of 6 days (IQR, 4–12), 183 patients (3.07%; 95% CI, 2.64–3.55) presented a symptomatic VTE event. The cumulative incidences of VTE at 7, 14 and 21 days in wards [2.3% (95% CI, 1.9–2.7), 3.6% (95% CI, 3.0–4.3), and 4.3% (95% CI, 3.5–5.1)] were similar to the ones reported in ICU [2.2% (95% CI, 1.0–4.4), 2.9% (95% CI, 1.5–5.3), and 4.1% (95% CI, 2.2–6.8)], but at 30 and 60 days were higher in ICU [6.9% (95% CI, 4.2–10.5), and 12.8% (95% CI, 8.1–18.5)] than in wards. Eighty-eight VTE events (48%) were diagnosed early, within 48 h of admission. VTE was not associated with death (HR, 0.79; 95% CI, 0.55–1.12). Conclusions Incidence of symptomatic VTE in our COVID-19 cohort is consistent with that of other real-life studies recently published. Early VTE events are, along with COVID-19, the reason for admission rather than an in-hospital complication.
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