Which treatment best prevents venous thromboembolism after total knee or hip arthroplasty?

Symptomatic venous thromboembolism occurs in approximately 2% of patients after total hip (THA) or knee (TKA) arthroplasty despite prevention strategies. Due to low cost, easy administration, and good results in some observational studies, ASA-based therapies for thromboprophylaxis have increased in the last decade. However, there is little evidence regarding the safety and efficacy of aspirin …

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