Changes in Dietary Intake and Eating Behavior in Adolescents After Bariatric Surgery: an Ancillary Study to the Teen-LABS Consortium
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A growing number of studies suggest that bariatric surgery is safe and effective for adolescents with severe obesity. However, surprisingly little is known about changes in dietary intake and eating behavior of adolescents who undergo bariatric surgery.
Investigate changes in dietary intake and eating behavior of adolescents with obesity who underwent bariatric surgery (n = 119) or lifestyle modification (LM) (n = 169).
University-based health systems
A prospective investigation of 288 participants (219 female and 69 male) prior to bariatric surgery or LM and again 6, 12, and 24 months (surgery patients only) after treatment. Measures included changes in weight, macronutrient intake, eating behavior, and relevant demographic and physiological variables.
Adolescents who underwent bariatric surgery experienced significantly greater weight loss than those who received LM. The two groups differed in self-reported intake of a number of macronutrients at 6 and 12 months from baseline, but not total caloric intake. Patients treated with surgery, compared to those treated with LM, also reported significantly greater reductions in a number of disordered eating symptoms. After bariatric surgery, greater weight loss from postoperative month 6 to 12 was associated with self-reported weight consciousness, craving for sweets, and consumption of zinc.
Adolescents who underwent bariatric surgery, compared to those who received LM, reported significantly greater reductions in weight after 1 year. They also reported greater reductions in disordered eating symptoms. These findings provide new information on changes in dietary intake and eating behavior among adolescents who undergo bariatric surgery.
KeywordsBariatric surgery Adolescence Caloric intake Dietary restraint Hunger disinhibition
Compliance with Ethical Standards
Work on this paper was supported, in part, by the National Institute of Diabetes and Digestive and Kidney Diseases (Grants R01-DK080738 to Dr. Sarwer and K24-DK065018 to Dr. Wadden and U01DK072493 to Dr. Inge), the Pennsylvania Department of Health SAP4100033130 to Dr. Berkowitz, and the Clinical & Translational Research Center at the University of Pennsylvania and The Children’s Hospital of Philadelphia supported by grants UL1RR024134 (NCRR) and UL1TR000003 (NCATS).
Conflict of Interest
Author A reports received consulting fees from the following: BARONova, Ethicon Endosurgery, Medtronic, and Novo Nordisk. Author B reports receiving fees for serving on the Advisory Board for Orexigen Pharmaceutical and Nutrisystem. He reports receiving grants and advisory board fees from Novo Nordisk and Weight Watchers. He also reports receiving grant funding from Eisai Pharmaceutical and royalties from Guilford Press for two edited books. Author C reports consulting fees from Sanofi Corporation and grant funding from Ethicon Endosurgery.
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