Journal
OBESITY SURGERY
Volume 29, Issue 3, Pages 958-963Publisher
SPRINGER
DOI: 10.1007/s11695-018-03628-z
Keywords
Satiety response; Hunger; Dietary assessment; Weight regain; Roux-en-Y gastric bypass
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Funding
- Foundation for Research Support of the Federal District - Brazil (FAPDF) [10569.56.30088.09042016]
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Objective To investigate the perception of hunger and satiety and its association with nutrient intake in women who regain weight in the postoperative period after bariatric surgery. Methods Cross-sectional study of adult women divided into three groups: weight regain (n=20), stable weight (n=20) (both at least 24 months after Roux-en-Y gastric bypass surgery), and non-operated obesity (n=20). A visual analogue scale measured hunger/satiety perception while fasting, immediately after finishing a test meal, and 180 min after finishing the test meal. The incremental area above or under the curve was calculated. Food intake was analyzed by 3days of food recall and adjusted for intraindividual variation. To make between-group comparisons, Mann-Whitney, ANOVA, Kruskal-Wallis, and independent-samples T tests and Pearson's correlation were used. Results There were no between-group differences in incremental areas of hunger/satiety, but protein intake was significantly lower among patients who regained weight compared with those who had stable body weight (0.99 +/- 0.23 g/kg body weight vs. 1.17 +/- 0.21g/kg body weight, p=0.047). In the group that regained weight, satiety was correlated positively with usual dietary protein density (r=0.541; p=0.017) and negatively with usual carbohydrate intake (r=-0.663; p=0.002). Conclusion Women who regained weight presented similar perceptions of hunger/satiety to those of patients without weight regain and with non-operated obesity. In patients who regained weight postoperatively, satiety perception was correlated positively with usual dietary protein density and inversely with usual carbohydrate intake.
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