Objective: To determine whether depression and anxiety symptoms differ between revisional bariatric surgery patients and primary bariatric surgery patients, as such mental health outcomes can have long-lasting impacts on weight loss and the overall success of bariatric surgery.
Methods: An exploratory matched case control study was performed with a total of 50 patients - 25 patients who had received revisional surgery and 25 who had received primary bariatric surgery. Revisional patients were matched with primary patients on sex, age (±7 years), pre-operative BMI (±8.0) and time since surgery. Mental health outcomes of depressive and anxiety symptoms, as measured by the Patient Health Questionnaire 9-Item scale (PHQ-9) and Generalized Anxiety Disorder 7-Item scale (GAD-7) respectively, were compared between groups.
Results: No significant differences were found between the revisional and primary bariatric surgery groups across time (pre-surgery, 1-year post-surgery, 2-year post-surgery and 3-years post-surgery) for GAD-7 (f = 0.045, p = 0.987) and PHQ-9 (f = 0.277, p = 0.842) scores.
Conclusion: Primary and revisional bariatric surgery patients do not have significant differences in depressive and anxiety scores. Revisional bariatric surgery can thus be effective in the remission of comorbid mental health conditions as trajectories remain comparable up to 3-years following surgery.
Keywords: Anxiety; Depression; Mental health; Revisional bariatric surgery.
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