Abstract
The need for prevention of venous thromboembolism (VTE) after total hip or knee replacement is obvious. However, the optimal regimen to achieve this remains to be defined. In patients with rheumatoid arthritis (RA) long term coumarins may not be necessary owing to the use of non-steroidal anti-inflammatory drugs (NSAIDs). 103 patients in whom 151 surgical procedures were performed (55 hip and 96 knee prostheses) were treated only with short term subcutaneous heparin. NSAIDs were used daily in 85% of the patients, and they were continued after hospital discharge. Only one patient developed symptomatic deep venous thrombosis during one year follow up. Bleeding complications were seen in 20/151 (13%) of the surgical procedures, all clinically judged as minor, and recovery was not delayed except in one case. Short term (low molecular weight) heparin appears to be an adequate, simple, and safe method for prevention of symptomatic VTE in patients with RA after knee or hip replacement, though further studies are necessary to confirm these preliminary findings.
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