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Eating Disorders (4)

06 May

Belgian researchers from the University Psychiatric Center, KULeuven Campus in  Kortenberg investigated the efficacy of a manualized cognitive-behavioral (CBT) approach for patients with obesity and binge eating disorder (BED), on the short and longer term.
Investigators used a prospective study without a control group, consisting of three measurements (a baseline measurement and two follow-up assessments, up to 5 years after the start of the CBT treatment).

A total of 56 patients with obesity and BED (mean age = 39.7 ± 10-9 years; body mass index [BMI] = 38.5 ± 8.3 kg/m (2)) participated in the study.  

BMI, number of binges per week, general psychological well-being, mood, attitude toward one's body, and loss of control over the eating behavior were evaluated by means of mixed models.

10 May

Researchers from Seattle Children's Hospital ran a pilot study designed to assess the impact of individualized yoga treatment on adolescents receiving outpatient care for diagnosed eating disorders (anorexia nervosa, bulimia nervosa, eating disorder not otherwise specified).

A total of 50 girls and 4 boys, aged 11-21 years, were randomized to an 8-week trial of standard care (n = 27) vs. individualized yoga therapy (n = 26) plus standard care. Standard care consisted of an appointment every other week with a physician and/or dietician. (This arm was offered yoga after completion of the study as an incentive to maintain participation.)

15 Aug

A randomized controlled trial compared a group of bulimic patients receiving 6 weeks of individual guided imagery therapy with a control group receiving standard care. Fifty participants who met the criteria for bulimia nervosa completed the study. Measures of eating disorder symptoms, psychological functioning and the response to the guided imagery experience were used. The guided imagery treatment substantially reduced bingeing and purging episodes; the imagery group had a 74% mean reduction of bingeing and a 73% reduction of vomiting. The imagery treatment also demonstrated improvement in attitudes about eating, dieting and body weight in comparison to the control group. In addition, the guided imagery group demonstrated improvement on psychological measures of aloneness and the ability for self-comforting. The study concludes that guided imagery is an effective treatment for bulimia nervosa, at least in the short-term.

Citation: Esplen MJ, Garfinkel PE, Olmsted M, Gallop RM, Kennedy S. A randomized controlled trial of guided imagery in bulimia nervosa.Psychol Med 1998 Nov;28(6):1347-57.
15 Aug

Researchers from the Eating Disorders Research Program at the University of Minnesota examined long-term outcomes of cognitive behavioral therapy, delivered 3 different ways to 51 people suffering from a binge eating disorder.

There was a therapist-led condition, where the psychologist provided psycho-educational information for the first half hour and led a group discussion for the second half hour of each session; there was a partial self-help condition, where participants viewed a 30-min psycho-educational videotape, followed by a therapist-led discussion; and finally, there was a structured self-help condition, where participants watched a psycho-educational videotape and led their own discussion.