RCT involving patients who have severe knee osteoarthritis and have a body-mass index (BMI; the weight in kilograms divided by the square of the height in meters) of 45 to 60 and are randomly assigned to receive dietary and lifestyle counseling for 9 to 13 months followed by total knee replacement (control arm) or sleeve gastrectomy with dietary and lifestyle counseling for 9 to 13 months followed by total knee replacement (treatment arm).
Does weight loss surgery in patients with morbid obesity prior to knee replacement surgery improve outcomes from knee replacement surgery