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SPECIAL SECTION: EATING DISORDERS

Guided self-help CBT treatment for bulimic disorders: Effectiveness and clinically significant change

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Pages 324-332 | Received 05 Jun 2012, Accepted 10 Apr 2013, Published online: 24 May 2013
 

Abstract

The aim of this study was to test the effectiveness of a cognitive-behavioral guided self-help treatment program for bulimia nervosa and similar disorders. Participants were assessed at the beginning and end of treatment, and at 6 months follow-up, using the Eating Disorder Examination Questionnaire (EDE-Q), the Outcome-Questionnaire–45 (OQ-45), and the Beck Depression Inventory (BDI). Forty-two participants from an eating disorders treatment service participated in this study. This study followed a one-group repeated measures naturalistic design with no control group. Results showed a significant reduction in EDE scores, OQ-45 and BDI. Clinically significant change occurred for the majority of participants. Cognitive-behavioral self-help treatment may be of value as an initial treatment for bulimia nervosa and similar disorders such as binge eating disorder.

Das Ziel dieser Studie war es, die Effektivität eines angeleiteten kognitiv-behavioralen Selbsthilfeprogrammes bei Bulimia Nervosa und ähnlichen Störungen zu testen. Zu Beginn, zum Ende der Behandlung, sowie zum 6-monatigen Follow-up wurde der Eating Disorder Examination Questionnaire (EDE-Q), der Outcome-Questionnaire-45 (OQ-45) und das Beck Depression Inventory (BDI) erhoben. 42 TeilnehmerInnen einer Essstörungsbehandlung nahmen an der vorliegenden Studie teil. Diese Studie folgte einem naturalistischen 1-Gruppen Design mit wiederholten Messungen ohne Kontrollgruppe. Die Ergebnisse zeigten eine signifikante Reduktion in den EDE, OQ-45 und BDI-Werten. Klinisch signifikante Veränderungen traten für einen Großteil der TeilnehmerInnen auf. Angeleitete kognitiv-behaviorale Selbsthilfeprogramme scheinen als anfängliche Behandlung bei Bulimia Nervosa und ähnlichen Störungen wie z. B. der Binge Eating Störung wertvoll zu sein.

L'obiettivo di questo studio era misurare l'efficacia del trattamento cognitivo-comportamentale di auto-aiuto per la bulimia nervosa e disturbi simili. I partecipanti sono stati testati all'inizio e alla fine del trattamento e a 6 mesi per il follow-up, utilizzando Eating Disorder Examination Questionnaire (EDE-Q), the Outcome-Questionnaire-45 (OQ-45), and the Beck Depression Inventory (BDI). Hanno partecipato a questo studio 45 pazienti provenienti da un servizio per il trattamento dei disturbi alimentari. In questo studio sono state utilizzate misurazioni ripetute senza gruppo di controllo. I risultati hanno mostrato una significativa riduzione dei punteggi in tutte e tre le scale impiegate. Si è verificato un cambiamento clinico significativo per la maggior parte dei soggetti partecipanti. La terapia cognitivo-comportamentale di auto-aiuto potrebbe essere di aiuto per una fase iniziale del trattamento della bulimia nervosa e di disturbi simili.

El objetivo de este trabajo es evaluar los resultados de un tratamiento cognitivo-conductual de auto-ayuda guiada para casos de bulimia nerviosa y trastornos similares. Los participantes fueron evaluados al inicio del tratamiento, al finalizar el mismo y en un seguimiento a los seis meses, usando el Cuestionario de Evaluación de los Trastornos Alimentarios (EDE-Q), el Cuestionario de Resultados 45 (OQ-45), y el Inventario de Depresión de Beck (BDI). Cuarenta y dos pacientes de un centro de tratamiento de los trastornos de conducta alimentaria participaron de este estudio. Se trato de un estudio naturalístico con un diseño de evaluaciones repetidas y grupo único, con seguimiento y sin grupo control. En la mayoría de los participantes se observaron cambios de significatividad clínica. El tratamiento cognitivo-conductual de auto-ayuda guiado puede ser una abordaje terapéutico útil para las fases iniciales del tratamiento de la bulimia nerviosa y trastornos asociados, como los atracones.

Acknowledgements

This research was supported by a Fundação para a Ciência e a Tecnologia/Foundation for Science and Technology, Portugal (FCT/POCI/56433/PSI/2004) grant to the last author. We would like to thank Dr. Daniel Sampaio for allowing access to the treatment center and to the patients with ED who participated in the study, and Dr. Ross Crosby for the statistical support on the HLM analysis.

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