Venous thromboembolism in heart failure: preventable deaths during and after hospitalization |
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Authors: | Piazza Gregory Goldhaber Samuel Z Lessard Darleen M Goldberg Robert J Emery Catherine Spencer Frederick A |
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Institution: | aCardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass;bDepartment of Medicine, University of Massachusetts Medical School, Worcester, Mass;cDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada |
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Abstract: | ObjectiveOur aim was to compare the clinical characteristics, prophylaxis, treatment, and outcomes of patients with venous thromboembolism with and without heart failure.MethodsWe studied patients with heart failure in the population-based Worcester Venous Thromboembolism Study of 1822 consecutive patients with validated venous thromboembolism.ResultsOf the 1822 patients with venous thromboembolism, 319 (17.5%) had a history of clinical heart failure and 1503 (82.5%) did not. Patients with heart failure were older (mean age 75 vs 62 years, P < .0001) and more likely to have been immobilized (65.2% vs 46.1%, P < .0001). Thromboprophylaxis was omitted in approximately one third of patients with heart failure who had been hospitalized for non-venous thromboembolism-related illness or had undergone major surgery within the 3 months before diagnosis. Patients with heart failure had a higher frequency of in-hospital death (9.7% vs 3.3%, P < .0001) and death within 30 days of venous thromboembolism diagnosis (15.6% vs 6.4%, P < .0001). Heart failure (adjusted odds ratio OR] 2.04; 95% confidence interval CI], 1.15-3.62) and immobility (adjusted OR 4.37; 95% CI, 2.42-7.9) were associated with an increased risk of in-hospital death. Heart failure (adjusted OR 1.57; 95% CI, 1.01-2.43) and immobility (adjusted OR 3.05; 95% CI, 2.01-4.62) also were independent predictors of death within 30 days of venous thromboembolism diagnosis.ConclusionHigh mortality was observed among patients with heart failure and venous thromboembolism both during and after hospitalization. Heart failure and immobility are potent risk factors for in-hospital death and death within 30 days in patients with venous thromboembolism. |
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Keywords: | Deep vein thrombosis Heart failure Prophylaxis Pulmonary embolism Treatment Venous thromboembolism |
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