Weight loss before Total Knee Arthroplasty improves outcomes: JAMA
A new study published in the Journal of American Medical Association shows that weight loss after bariatric surgery reduced the risk of total knee arthroplasty (TKA) problems in persons with a BMI equal to or greater to 35.
Persons with significant obesity who have a total knee arthroplasty for osteoarthritis (OA) are at a greater risk of short- and long-term problems than people with a BMI of 30. It is unknown whether losing weight before TKA reduces this risk. As a result, Michelle M. Dowsey and colleagues undertook this trial to see if having bariatric surgery before TKA improves outcomes in persons with a BMI more than or equal to 35 and end-stage OA.
This assessor-blinded, parallel-group, randomized clinical study was undertaken between May 2012 and June 2020, with a 12-month minimum follow-up following TKA. TKA was done in a university-affiliated tertiary referral public hospital, while bariatric surgery was conducted at a private hospital facility and a university-affiliated private practice. From February through July 2021, data was analyzed. The main intervention strategy of this trial was bariatric surgery vs conventional weight management guidance (treatment as usual [TAU]) in persons scheduled for TKA.
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