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Article

One Year Follow-Up of Taste-Related Reward Associations with Weight Loss Suggests a Critical Time to Mitigate Weight Regain Following Bariatric Surgery

1
Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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Division of Child and Adolescent Psychiatry, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
3
Anatomy Department, Mersin University School of Medicine, 32133 Mersin, Turkey
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Division of Medical Psychology, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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Johns Hopkins Center for Bariatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Anders M. Sjodin
Nutrients 2021, 13(11), 3943; https://doi.org/10.3390/nu13113943
Received: 23 September 2021 / Revised: 23 October 2021 / Accepted: 26 October 2021 / Published: 4 November 2021
Background: Weight regain is a concerning issue in bariatric patients. We previously demonstrated that taste-related reward processing was associated with six-month weight loss outcomes following Roux-en-Y gastric bypass (RYGB) but not vertical sleeve gastrectomy (VSG). Here, we assessed whether these taste factors persisted in predicting weight loss, and weight regain, at one year post-surgery. Methods: Adult women enrolled in a longitudinal study of taste preferences following bariatric surgery completed behavioral and neuroimaging assessments at one year post-surgery. Results: RYGB produced better weight loss relative to VSG, with weight regain and greater weight loss variability observed from six months to one year post-VSG. Changes in liking for high fat at 2 weeks post-surgery from baseline remained a predictor of weight loss in RYGB, but other predictors did not persist. Average liking ratings rebounded to baseline and higher self-reported food cravings and dietary disinhibition correlated with poorer weight loss at one year post-surgery. Conclusion: Initial anatomical and metabolic changes resulting from RYGB that reset neural processing of reward stimuli in the mesolimbic pathway appear to be temporary and may be contingent upon post-operative eating behaviors returning to preoperative obesogenic tendencies. Six months post-surgery may be a critical window for implementing interventions to mitigate weight gain. View Full-Text
Keywords: bariatric surgery; Roux-en-Y gastric bypass; vertical sleeve gastrectomy; taste; reward; weight loss bariatric surgery; Roux-en-Y gastric bypass; vertical sleeve gastrectomy; taste; reward; weight loss
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MDPI and ACS Style

Smith, K.R.; Aghababian, A.; Papantoni, A.; Veldhuizen, M.G.; Kamath, V.; Harris, C.; Moran, T.H.; Carnell, S.; Steele, K.E. One Year Follow-Up of Taste-Related Reward Associations with Weight Loss Suggests a Critical Time to Mitigate Weight Regain Following Bariatric Surgery. Nutrients 2021, 13, 3943. https://doi.org/10.3390/nu13113943

AMA Style

Smith KR, Aghababian A, Papantoni A, Veldhuizen MG, Kamath V, Harris C, Moran TH, Carnell S, Steele KE. One Year Follow-Up of Taste-Related Reward Associations with Weight Loss Suggests a Critical Time to Mitigate Weight Regain Following Bariatric Surgery. Nutrients. 2021; 13(11):3943. https://doi.org/10.3390/nu13113943

Chicago/Turabian Style

Smith, Kimberly R., Anahys Aghababian, Afroditi Papantoni, Maria G. Veldhuizen, Vidyulata Kamath, Civonnia Harris, Timothy H. Moran, Susan Carnell, and Kimberley E. Steele. 2021. "One Year Follow-Up of Taste-Related Reward Associations with Weight Loss Suggests a Critical Time to Mitigate Weight Regain Following Bariatric Surgery" Nutrients 13, no. 11: 3943. https://doi.org/10.3390/nu13113943

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