Venous thromboembolism in elderly high-risk medical patients: time course of events and influence of risk factors.

Abstract

Venous thromboembolism (VTE) causes significant morbidity and mortality in hospitalized medical populations; however, medical patients do not currently receive thromboprophylaxis beyond their hospital stay. We reviewed the real-life occurrence of VTE-related care for 100 days post-hospitalization in Calgary, Canada. Using medical visit records with a unique patient identifier number applied throughout the city's hospitals, 989 high-risk patients were selected for review. Almost three-quarters of the elderly patients received appropriate prophylaxis while in hospital, and only 2% received prophylaxis on discharge. Over the 100-day follow-up, 21% of the patients presented with clinically suspected VTE, of which 3.8% had confirmed VTE. Patients with multiple risk factors (≥ 3) had the highest frequency of confirmed VTE (≥ 6.1%). This study suggests that the actual rate of VTE-related follow-up care in patients post-hospitalization is high in the first 100 days, particularly among those who have multiple risk factors, warranting consideration of extended thromboprophylaxis in this population.

DOI: 10.1177/1076029613481105

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@article{Hull2013VenousTI, title={Venous thromboembolism in elderly high-risk medical patients: time course of events and influence of risk factors.}, author={Russell Douglas Hull and Tazmin Merali and Allan James Mills and Abigail L Stevenson and Jane Q Liang}, journal={Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis}, year={2013}, volume={19 4}, pages={357-62} }