减肥手术患者术前体形与适度超重的关系:一项为期两年的纵向研究

Oriana Moro, Umberto Albert, Elide Francesca De Caro, Silvia Palmisano, Manuela Mastronardi, Lisa Di Blas
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引用次数: 0

摘要

目的 研究的主要目的是了解减肥患者术前对体形的担忧和不适感是否会影响术后体重下降的轨迹。研究 1 分析了横断面数据,并在 327 个减肥手术候选人样本中验证了 34 项 BSQ 问卷的结构有效性。研究 2 检验了纵向数据,从手术干预开始,每 6 个月记录一次客观身体质量指数(BMI),共 5 次测量,这些数据来自 111 名最初填写 BSQ 的减肥手术候选患者,他们在 2 年内接受了定期的术后医疗随访。结果在研究 1 中,单维度模型的确认性因子分析得出了可接受的拟合指数和较高的内部一致性水平。研究 2 显示,术后超重体重指数的下降趋势不是线性的,而术前 BSQ 评分对其有调节作用,最初对体形不那么在意的患者体重反弹的风险较高。结论本研究结果支持 BSQ 问卷在减肥患者中的结构有效性,并呼吁根据病理整形模型,关注术前对体形的关注对术后 2 年体重减轻轨迹的作用。这些研究表明,有必要系统地关注身体形象感知和心理路径,以帮助减肥患者重新获得对自己身体的积极态度。
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Pre-operative body shape concerns moderate excess weight loss trajectory in bariatric surgery patients: a 2-year longitudinal study

Purpose

The main research aim was to inspect whether pre-operative body shape concerns and discomfort as Body Shape Questionnaire (BSQ) scores moderate post-operative weight loss trajectory in bariatric patients.

Methods

Two studies were conducted. Study 1 analyzed cross-sectional data and verified the structural validity of the 34-item BSQ questionnaire on a sample of 327 candidates for bariatric surgery. Study 2 examined longitudinal data, with objective Body Mass Index (BMI) recorded every 6 months, from surgery intervention on, with 5 measurement occasions, from 111 patients who initially completed BSQ as bariatric surgery candidates and then underwent periodic medical post-operative follow-ups, over 2 years.

Results

In Study 1, confirmatory factor analysis of a single-dimension model yielded acceptable fit indices and high internal consistency levels. Study 2 showed that post-operative excess BMI reduction trend was not linear and pre-operative BSQ scores moderated it, with a higher risk of weight regain in patients who initially were less concerned with their body shape.

Conclusions

The present findings support the structural validity of the BSQ questionnaire in bariatric candidates and call attention on the role of pre-operative body shape concerns on post-operative weight loss trajectories over 2 years, in accordance with a pathoplasty model. They suggest the need for systematic attention on perceived body image and psychological paths aimed to help bariatric patients regain positive attitudes towards their own body.

Level of evidence III, well-designed cohort

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来源期刊
CiteScore
6.50
自引率
10.30%
发文量
170
审稿时长
>12 weeks
期刊介绍: Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity is a scientific journal whose main purpose is to create an international forum devoted to the several sectors of eating disorders and obesity and the significant relations between them. The journal publishes basic research, clinical and theoretical articles on eating disorders and weight-related problems: anorexia nervosa, bulimia nervosa, subthreshold eating disorders, obesity, atypical patterns of eating behaviour and body weight regulation in clinical and non-clinical populations.
期刊最新文献
The Dutch Body Shape Questionnaire among patients with binge-eating disorder: psychometrics and norms of the full version (BSQ34) and the short version (BSQ8C). Correction: Intrinsic and extrinsic motivations as moderators of the association between exercise frequency and exercise behavior. Transcultural adaptation and validation of the Eating Self-Efficacy Brief Scale (ESEBS): the Brazilian version. The risk of kidney dysfunction in metabolically healthy/unhealthy population with normal weight or overweight/obesity: a systematic review and meta-analysis. Correction: Optimising healthcare transition of adolescents and young adults to adult care: a perspective statement of the Italian Society of Obesity.
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