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Predictors of improved psychological function after bariatric surgery.
Phillip J Dijkhorst1, Dennis J S Makarawung2, Joost W Vanhommerig3
1Department of Surgery, OLVG & Dutch Obesity Clinic, Amsterdam, The Netherlands.
Summary
Predictors of better psychological function after bariatric surgery include lower weight loss expectations, higher education, no prior psychiatric illness, and employment. Greater weight loss correlates with improved psychological outcomes in the first two years post-surgery.
Area of Science:
- Bariatric Surgery Outcomes
- Psychological Health
- Health-Related Quality of Life
Background:
- Negative psychological sequelae are reported post-bariatric surgery.
- Factors influencing psychological function in the initial postoperative years remain unclear.
Purpose of the Study:
- To identify significant predictors of improved psychological function following bariatric surgery.
- To analyze data from the BODY-Q questionnaire to understand these predictors.
Main Methods:
- A multicenter prospective cohort study involving 836 patients across 3 centers in the Netherlands and Denmark.
- The BODY-Q questionnaire assessed 6 health-related quality of life domains, with psychological function derived from 10 questions (0-100 score).
- Linear mixed models analyzed patient characteristics predicting psychological function, with secondary analysis of weight loss and complication impacts.
Main Results:
- Patients with lower weight loss expectations (<40%), higher education, no psychiatric history, and pre-surgery employment showed the highest psychological function scores.
- Increased weight loss at 1 and 2 years post-surgery was significantly associated with higher psychological function.
- Major short-term complications did not significantly impact psychological function.
Conclusions:
- Identified key predictors for enhanced postoperative psychological function after bariatric surgery.
- Findings can inform preoperative patient education and risk stratification for poor psychological outcomes.
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