• Parth Rali, Oisin O'Corragain, Lawrence Oresanya, Daohai Yu, Omar Sheriff, Robert Weiss, Catherine Myers, Parag Desai, Nadia Ali, Anthony Stack, Michael Bromberg, Andrea L Lubitz, Joseph Panaro, Riyaz Bashir, Vladimir Lakhter, Roberto Caricchio, Rohit Gupta, Chandra Dass, Kumaran Maruti, Xiaoning Lu, A Koneti Rao, Gary Cohen, Gerard J Criner, Eric T Choi, and Temple University COVID-19 Research Group.
• Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine, Philadelphia, Pa. Electronic address: parth.rali@tuhs.temple.edu.
• J Vasc Surg Venous Lymphat Disord. 2021 May 1; 9 (3): 585-591.e2.

BackgroundInfection with the novel severe acute respiratory syndrome coronavirus 2 has been associated with a hypercoagulable state. Emerging data from China and Europe have consistently shown an increased incidence of venous thromboembolism (VTE). We aimed to identify the VTE incidence and early predictors of VTE at our high-volume tertiary care center.MethodsWe performed a retrospective cohort study of 147 patients who had been admitted to Temple University Hospital with coronavirus disease 2019 (COVID-19) from April 1, 2020 to April 27, 2020. We first identified the VTE (pulmonary embolism [PE] and deep vein thrombosis [DVT]) incidence in our cohort. The VTE and no-VTE groups were compared by univariable analysis for demographics, comorbidities, laboratory data, and treatment outcomes. Subsequently, multivariable logistic regression analysis was performed to identify the early predictors of VTE.ResultsThe 147 patients (20.9% of all admissions) admitted to a designated COVID-19 unit at Temple University Hospital with a high clinical suspicion of acute VTE had undergone testing for VTE using computed tomography pulmonary angiography and/or extremity venous duplex ultrasonography. The overall incidence of VTE was 17% (25 of 147). Of the 25 patients, 16 had had acute PE, 14 had had acute DVT, and 5 had had both PE and DVT. The need for invasive mechanical ventilation (adjusted odds ratio, 3.19; 95% confidence interval, 1.07-9.55) and the admission D-dimer level ≥1500 ng/mL (adjusted odds ratio, 3.55; 95% confidence interval, 1.29-9.78) were independent markers associated with VTE. The all-cause mortality in the VTE group was greater than that in the non-VTE group (48% vs 22%; P = .007).ConclusionsOur study represents one of the earliest reported from the United States on the incidence rate of VTE in patients with COVID-19. Patients with a high clinical suspicion and the identified risk factors (invasive mechanical ventilation, admission D-dimer level ≥1500 ng/mL) should be considered for early VTE testing. We did not screen all patients admitted for VTE; therefore, the true incidence of VTE could have been underestimated. Our findings require confirmation in future prospective studies.Copyright © 2020 Society for Vascular Surgery. Published by Elsevier Inc. All rights reserved.

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