Temperament and one-year outcome of gastric bypass for severe obesity |
| |
| Affiliation: | 1. Graduate School of Nursing, Keimyung University, Daegu, South Korea;2. Department of Psychiatry, School of Medicine, Yale University, New Haven, CT, USA;3. College of Nursing, Keimyung University, Daegu, South Korea;4. Deparment of Neurology, School of Medicine, Dongsan Medical Center, Keimyung University, Daegu, South Korea;2. Institute of Geographic Engineering and Technology, School of Geography Sciences, Nantong University, Nantong 226007, China;3. Fudan-Tyndall Centre, Fudan University, Shanghai 200433, China;4. South China Institute of Environmental Sciences, Guangzhou 510655, China;5. Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;6. Shanghai Meteorological Bureau, Shanghai 200030, China |
| |
| Abstract: | BackgroundThe role of temperament traits in shaping the outcome of gastric bypass for severe obesity has not been established yet. This study evaluated whether temperament traits influence weight loss 1 year after gastric bypass, controlling for the potential confounding effect of Axis I and II disorders.MethodsForty-nine patients with severe obesity (body mass index = 46.4±6.7) undergoing gastric bypass completed a thorough psychiatric evaluation before surgery, including structured interviews, rating scales, and questionnaire assessing the presence and severity of co-morbid Axis I and II disorders. Temperament was evaluated with the Temperament and Character Inventory (TCI). Weight loss 1 year after surgery was calculated as percent total weight loss (%TWL). Predictors of weight loss were investigated with multivariate linear hierarchical regression.ResultsAfter accounting for psychiatric covariates, higher TCI persistence scores independently predicted 1-year outcome of gastric bypass and explained 40% of the variance in %TWL. Patients with low persistence scores showed a significantly lesser weight loss than patients with high scores.ConclusionTemperament traits denoting the ability to persevere in one’s goals in spite of immediate frustration (persistence) are associated with greater weight loss 1 year after gastric bypass. These data suggest the utility of preoperatively assessing and reinforcing such capacity to optimize surgical outcome. Future research will clarify the behavioral mechanisms mediating this relationship as well as the influence of temperament on weight maintenance. |
| |
| Keywords: | Gastric bypass Severe obesity Temperament Persistence Effortful control Preoperative predictors Weight loss Follow-up |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
