Elevated BMI may not increase risks of dislocation, revision after THA

A study conducted by Alexander J. Acuña, MD, and colleagues from Rush University Medical Center found that elevated BMI did not increase the risks of dislocation or revision after total hip arthroplasty (THA). The study included 8,931 patients who underwent elective primary THA for osteoarthritis between 2010 and 2022. Patients with higher BMI did not have a higher risk of dislocation or revision compared to patients with normal BMI at 1 to 2 years post-surgery. The researchers suggest that BMI may not be an appropriate metric for determining THA outcomes in obese patients and recommend individualized risk profiles for preventing instability in this population.

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