M S Morseth1, S E Hanvold2, Ø Rø3,4, H Risstad5, T Mala6, J Šaltytė Benth7,8, M Engström9, T Olbers10, S Henjum11. 1. Oslo and Akershus University College of Applied Science, Postbox 4 St. Olavs plass, 0130, Oslo, Norway. marianne.morseth@gmail.com. 2. Department of Morbid Obesity and Bariatric Surgery, Oslo University Hospital, Postboks 4959, Nydalen, 0424, Oslo, Norway. susanna@hanvold.no. 3. Division of Mental Health and Addiction, Institute of Clinical Medicine, University of Oslo, Oslo, Norway. oeyvro@ous-hf.no. 4. Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Ullevål, Oslo, Norway. oeyvro@ous-hf.no. 5. Department of Morbid Obesity and Bariatric Surgery, Oslo University Hospital, Postboks 4959, Nydalen, 0424, Oslo, Norway. hiriss@outlook.com. 6. Department of Morbid Obesity and Bariatric Surgery, Oslo University Hospital, Postboks 4959, Nydalen, 0424, Oslo, Norway. tommal@ous-hf.no. 7. Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway. jurate.saltyte-benth@medisin.uio.no. 8. HØKH, Research Centre, Akershus University Hospital, Lørenskog, Norway. jurate.saltyte-benth@medisin.uio.no. 9. Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden. my.engstrom@vgregion.se. 10. Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden. torsten.olbers@gu.se. 11. Oslo and Akershus University College of Applied Science, Postbox 4 St. Olavs plass, 0130, Oslo, Norway. sigrun.henjum@hioa.no.
Abstract
BACKGROUND: This study assessed eating disorder pathology in persons with obesity before and after Roux-en-Y gastric bypass (RYGB) and biliopancreatic diversion with duodenal switch (DS), in a 5-year follow-up study. METHODS:Sixty participants with BMI 50-60 kg/m(2) were randomly assigned to RYGB (n = 31) or DS (n = 29). The participants completed the Eating Disorder Examination-Questionnaire (EDE-Q) before and 6 months, 1 year, 2 years, and 5 years after surgery. RESULTS: Before surgery, the prevalence of objective bulimic episodes was 29 % in the RYGB group and 32 % in the DS group. The prevalence improved during the first 12 months after surgery in both groups. After 5 years, the prevalence of objective bulimic episodes was 22 % in the RYGB group and 7 % in the DS group. The difference between groups throughout follow-up was non-significant (logistic regression model). A linear mixed model showed that global EDE-Q score was not a significant predictor for weight loss after surgery, but participants reporting objective bulimic episodes before surgery had significantly lower BMI than those with no episodes after 2 years (p = 0.042) and 5 years (p = 0.013). Global EDE-Q score was significantly lower in the DS group after 5 years (p = 0.009) (linear mixed model). CONCLUSIONS:Objective bulimic episodes but not global EDE-Q score before surgery predicted greater weight loss after RYGB and DS. The DS group had a significantly lower global EDE-Q score than the RYGB group 5 years after surgery.
RCT Entities:
BACKGROUND: This study assessed eating disorder pathology in persons with obesity before and after Roux-en-Y gastric bypass (RYGB) and biliopancreatic diversion with duodenal switch (DS), in a 5-year follow-up study. METHODS: Sixty participants with BMI 50-60 kg/m(2) were randomly assigned to RYGB (n = 31) or DS (n = 29). The participants completed the Eating Disorder Examination-Questionnaire (EDE-Q) before and 6 months, 1 year, 2 years, and 5 years after surgery. RESULTS: Before surgery, the prevalence of objective bulimic episodes was 29 % in the RYGB group and 32 % in the DS group. The prevalence improved during the first 12 months after surgery in both groups. After 5 years, the prevalence of objective bulimic episodes was 22 % in the RYGB group and 7 % in the DS group. The difference between groups throughout follow-up was non-significant (logistic regression model). A linear mixed model showed that global EDE-Q score was not a significant predictor for weight loss after surgery, but participants reporting objective bulimic episodes before surgery had significantly lower BMI than those with no episodes after 2 years (p = 0.042) and 5 years (p = 0.013). Global EDE-Q score was significantly lower in the DS group after 5 years (p = 0.009) (linear mixed model). CONCLUSIONS: Objective bulimic episodes but not global EDE-Q score before surgery predicted greater weight loss after RYGB and DS. The DS group had a significantly lower global EDE-Q score than the RYGB group 5 years after surgery.
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