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Cognitive behaviour therapy response and dropout rate across purging and nonpurging bulimia nervosa and binge eating disorder: DSM-5 implications
Agüera, Zaida; Riesco, Nadine; Jiménez-Murcia, Susana; Islam, Mohammed Anisul; Granero, Roser; Vicente, Enrique; Peñas-Lledó, Eva; Arcelus, Jon; Sánchez, Isabel; Menchón Magriñá, José Manuel; Fernández Aranda, Fernando
Universitat de Barcelona
BACKGROUND: With the imminent publication of the new edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), there has been a growing interest in the study of the boundaries across the three bulimic spectrum syndromes [bulimia nervosa-purging type (BN-P), bulimia nervosa-non purging type (BN-NP) and binge eating disorder (BED)]. Therefore, the aims of this study were to determine differences in treatment response and dropout rates following Cognitive Behavioural Therapy (CBT) across the three bulimic-spectrum syndromes. METHOD: The sample comprised of 454 females (87 BED, 327 BN-P and 40 BN-NP) diagnosed according to DSM-IV-TR criteria who were treated with 22 weekly outpatient sessions of group CBT therapy. Patients were assessed before and after treatment using a food and binging/purging diary and some clinical questionnaires in the field of ED. 'Full remission' was defined as total absence of binging and purging (laxatives and/or vomiting) behaviors and psychological improvement for at least 4 (consecutive). RESULTS: Full remission rate was found to be significantly higher in BED (69.5%) than in both BN-P (p < 0.005) and BN-NP (p < 0.001), which presented no significant differences between them (30.9% and 35.5%). The rate of dropout from group CBT was also higher in BED (33.7%) than in BN-P (p < 0.001) and BN-NP (p < 0.05), which were similar (15.4% and 12.8%, respectively). CONCLUSIONS: Results suggest that purging and non-purging BN have similar treatment response and dropping out rates, whereas BED appears as a separate diagnosis with better outcome for those who complete treatment. The results support the proposed new DSM-5 classification.
Bulímia
Trastorns de la conducta alimentària
Teràpia cognitiva
Conducta compulsiva
Bulimia
Eating disorders
Cognitive therapy
Compulsive behavior
cc-by (c) Agüera, Zaida et al., 2013
http://creativecommons.org/licenses/by/3.0/es
Article
info:eu-repo/semantics/publishedVersion
BioMed Central
         

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Agüera, Zaida; Riesco, Nadine; Jiménez-Murcia, Susana; Islam, Mohammed Anisul; Granero, Roser; Vicente, Enrique; Peñas-Lledó, Eva; Arcelus, Jon; Sánchez, Isabel; Menchón Magriñá, José Manuel; Fernández Aranda, Fernando
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Agüera, Zaida; Romero, Xandra; Arcelus, Jon; Sánchez, Isabel; Riesco, Nadine; Jiménez-Murcia, Susana; González-Gómez, Jana; Granero, Roser; Custal, Nuria; Montserrat Gil Bernabe, Mónica; Tárrega, Salomé; Baños Riera, Rosa; Botella Arbona, Cristina; Torre, Rafael de la; Fernández García, José C.; Fernández-Real Lemos, José Manuel; Frühbeck, Gema; Gómez Ambrosi, Javier; Tinahones, Francisco J.; Crujeiras, Ana B.; Casanueva, Felipe F.; Menchón Magriñá, José Manuel; Fernández Aranda, Fernando
Custal, Nuria; Arcelus, Jon; Agüera, Zaida; Bove, Francesca; Wales, Jackie; Granero, Roser; Jiménez-Murcia, Susana; Sánchez, Isabel; Riesco, Nadine; Alonso Ortega, María del Pino; Crespo, J. M. (José Manuel); Virgili, Núria; Menchón Magriñá, José Manuel; Fernández Aranda, Fernando