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Racial differences after bariatric surgery: 24-month follow-up of a randomized, controlled trial for postoperative
Valentina Ivezaj1, Abhaya Dilip1, Andrew J Duffy2
1Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut.
Summary
Racial disparities persist after bariatric surgery. While White patients achieved greater weight loss, non-White patients showed comparable or better outcomes in loss-of-control eating and depression long-term.
Area of Science:
- Bariatric surgery outcomes
- Eating disorder psychopathology
- Racial/ethnic health disparities
Background:
- Bariatric surgery outcomes can differ by race/ethnicity.
- Limited data exists on racial/ethnic variations in loss-of-control (LOC) eating and psychosocial results post-surgery.
Purpose of the Study:
- To investigate racial differences in long-term post-bariatric surgery outcomes.
- To extend short-term findings on LOC eating and weight loss to 24-month follow-ups.
Main Methods:
- Prospective study of 140 patients (46.4% non-White) post-bariatric surgery.
- Randomized controlled trial for LOC eating assessed at 6, 12, 18, and 24 months.
- Interviews and questionnaires measured LOC eating, eating disorder psychopathology, and depression.
Main Results:
- White patients achieved significantly greater percent excess weight loss (p < .03).
- White patients reported more LOC eating at 12 and 24 months (p = .004, p = .024) and higher eating disorder psychopathology at 12 months (p < .028).
- No significant racial differences were found in eating disorder psychopathology at 24 months or depression scores.
Conclusions:
- Non-White patients had lower percent excess weight loss post-bariatric surgery compared to White patients.
- Non-White patients demonstrated comparable or superior outcomes in LOC eating, eating disorder psychopathology, and depression over time.
- Findings highlight the need for culturally sensitive approaches to bariatric surgery care.
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