Burd Carlye, Mitchell James E, Crosby Ross D, Engel Scott G, Wonderlich Stephen A, Lystad Chad, Le Grange Daniel, Peterson Carol B, Crow Scott
Department of Clinical Neuroscience, University of North Dakota School of Medicine and Health Sciences, Fargo, North Dakota, USA.
Int J Eat Disord. 2009 May;42(4):371-4. doi: 10.1002/eat.20628.
To examine the caloric intake in women with anorexia nervosa (AN) and how it varies by day as a function of the presence or absence of binge eating and/or purging behaviors.
Female participants with AN (n = 84, mean age = 24.4, range 18-51) were recruited from three different sites. Data on food intake were obtained through the use of 24-h dietary recall using the Nutritional Data Systems for Research, and data on binge eating and purging behaviors were collected on palmtop computers using an ecological momentary assessment paradigm. Daily macronutrient intake was compared on days during which binge eating and/or purging behaviors did or did not occur.
On days during which binge eating and purging behaviors both occurred, participants reported significantly greater kilocalorie intake when compared with days when neither behavior occurred, or when only binge eating or purging occurred. Binge eating episodes were only modest in size on days when purging did not occur. Energy intake overall was higher than expected.
Intake on days where binge eating occurred varied dramatically based on whether or not purging occurred. Whether markedly increased binge eating intake was causally related to purging is unclear. Nonetheless eating episodes were at times quite large and equivalent to those reported by participants with bulimia nervosa in other research.
研究神经性厌食症（AN）女性的热量摄入情况，以及其如何根据是否存在暴饮暴食和/或清除行为随时间变化。
从三个不同地点招募了患有AN的女性参与者（n = 84，平均年龄 = 24.4，范围18 - 51岁）。通过使用用于研究的营养数据系统进行24小时饮食回顾来获取食物摄入数据，并使用生态瞬时评估范式在掌上电脑上收集暴饮暴食和清除行为的数据。比较了暴饮暴食和/或清除行为发生或未发生当天的每日常量营养素摄入量。
在暴饮暴食和清除行为均发生的日子里，与两种行为均未发生、或仅发生暴饮暴食或清除行为的日子相比，参与者报告的千卡摄入量显著更高。在未发生清除行为的日子里，暴饮暴食发作的规模仅适度。总体能量摄入高于预期。
根据是否发生清除行为，发生暴饮暴食日子的摄入量差异很大。暴饮暴食摄入量显著增加是否与清除行为存在因果关系尚不清楚。尽管如此，饮食发作有时相当大，与其他研究中神经性贪食症参与者报告的情况相当。
