Does obesity affect outcomes for patients undergoing total knee replacement for osteoarthritis?
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Does obesity affect outcomes for patients undergoing total knee replacement for osteoarthritis? Evidence-based answer : Obese patients (body mass index [BMI] >30 kg/m2) develop postoperative infections and need surgical revisions more commonly than do nonobese patients undergoing total knee arthroplasty (TKA) for osteoarthritis. They do not have more venous thromboembolic episodes (SOR: A, systematic review). After TKA, both obese and nonobese patients demonstrate equivalent and sustained improvements in pain and function; however, neither obese nor nonobese patients lose weight (SOR: B, prospective cohort studies).
Evidence Based Practice 17(8): E12