RCT: Among patients waiting for total knee arthroplasty with a BMI above 35, bariatric surgery before the procedure was associated with reduced risk of complications.

Effect of Bariatric Surgery on Risk of Complications After Total Knee Arthroplasty: A Randomized Clinical Trial – JAMA Network Open

Commentary: Bariatric Surgery Before TKA Cuts Complications in Obese Patients – HealthDay

Commentary on Twitter

In this RCT, bariatric surgery before knee replacement (TKA) reduced the risk of complications in TKA in adults <65y with class II obesity scheduled to undergo TKA; 30% had sufficient symptom improvement to decline TKA altogether. https://t.co/qyhl0eIV2o

— JAMA Network Open (@JAMANetworkOpen) April 14, 2022