Published results showed a higher risk of all-cause revision and revision for infection among patients who were obese and undergoing primary total knee replacement for osteoarthritis compared with patients who were not obese.
Using the Australian Orthopaedic Association National Joint Replacement Registry, Christopher J. Wall, MBBS, BMedSc, FRACS, FAOrthA, and colleagues compared the rates of all-cause revision and revision for infection, loosening, instability and pain between patients who were not obese (BMI of 18.50 kg/m2 to 29.99 kg/m2), patients with class 1 and class 2 obesity (BMI of 30