Randomized Trialhigh evidence
Impact Of Prior Bariatric Surgery Versus Immediate Total Knee Arthroplasty On Knee Function Among Patients Who Have Severe Obesity And Advanced Knee Osteoarthritis: The SWIFT Trial.
The Journal of arthroplasty·May 24, 2026·PMID 42184930
Why it mattersThis trial provides direct evidence on sequencing bariatric surgery and TKA in a high-risk population, helping specialists counsel patients on the trade-offs between immediate joint replacement and weight loss surgery to potentially delay arthroplasty.

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