Decreased Venous Thromboembolism with Injectable Vs Oral Anticoagulation After Discharge for Major Orthopedic Surgery
2008
Abstract The use of outpatient anticoagulation after major orthopedic surgery with oral or injectable anticoagulants is recommended by national guidelines. A retrospective analysis of medical and pharmacy claims data using the PharMetrics Patient-Centric Database Inc, Watertown, Mass, was conducted. After adjusting for covariates, patients receiving warfarin were approximately 30% more likely to experience a venous thromboembolism than those receiving an injectable anticoagulant (6.3% vs 4.8%; adjusted odds ratio, 1.3; 95% confidence interval, 1.1-1.5) by 30 days. The data at 90 days showed similar results. No significant differences in the incidence of major bleeding events between the cohorts were observed (incidence of major bleed
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