• Harry B Skinner and Michele M Schulz.
• Department of Orthopaedic Surgery, University of California, Irvine 92868-5382, USA.
• Am J. Orthop. 2002 Sep 1; 31 (9 Suppl): 20-30.

AbstractThrombosis is the most common cause of mortality in the United States, resulting in more than 2 million deaths per year. Almost an equal number of individuals are affected each year by nonfatal thrombosis, including deep vein thrombosis and nonfatal pulmonary embolism. A large proportion of thrombotic episodes can be prevented by the appropriate selection of prophylactic therapy--a clinical decision that figures greatly in numerous clinical conditions associated with an increased risk of thrombosis, including major orthopedic surgery. Orthopedic surgeons are well aware of the risks for complications inherent in total hip arthroplasty and total knee arthroplasty in particular. However, determining which protocols are optimal for thromboprophylaxis remains a matter of contention, and the choice of prophylactic therapy is a critical factor in the successful completion of any major orthopedic surgical procedure. Although there are key differences between total hip and knee arthroplasty in terms of the measures available for thromboprophylaxis and the data documenting their relative degree of effectiveness, the two procedures share many similarities in these respects as well as in their surgical protocols. By reviewing the data and practice guidelines on thromboprophylaxis in total hip and knee arthroplasty together, orthopedic surgeons can more clearly see the implications for clinical success that the choice of prophylactic therapy has on their management of these two vitally important procedures.

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