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COMPARATIVE STUDY
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Rates of symptomatic venous thromboembolism in US surgical patients: a retrospective administrative database study.
Journal of Thrombosis and Thrombolysis 2009 November
US national performance measures may reduce the burden of venous thromboembolism (VTE) in surgical patients. To characterize the VTE rate in US surgical patients, and identify real-world independent VTE risk-factors, a national managed-care database was analyzed. 172,320 eligible surgical discharges (23.9% orthopedic, 76.1% abdominal surgery) from the PharMetrics database (January 2001-December 2005) were evaluated. The rate of thromboprophylaxis was low in orthopedic (40.5%) and abdominal (1.8%) surgery discharges, with the event rates of symptomatic VTE in these groups being 4.7% and 3.1%, respectively. The median time to VTE was 51 days: the majority of VTE events occurred post-discharge. Independent predictors of VTE included prior VTE (odds ratio [OR] 10.2; 95% CI: 9.2-11.4), and orthopedic versus abdominal surgery (OR 1.4; 95% CI: 1.4-1.6). Patients undergoing orthopedic or abdominal surgery remain at-risk for VTE. Implementation of national performance measures may help reduce the burden of VTE.
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