4.3 Article

The Effects of a Multiple Family Therapy on Adolescents with Eating Disorders: An Outcome Study

Journal

FAMILY PROCESS
Volume 54, Issue 1, Pages 160-172

Publisher

WILEY
DOI: 10.1111/famp.12103

Keywords

Multiple Family Therapy; Eating Disorders; Adolescents; Outcome; Treatment Effectiveness

Funding

  1. Belgian Federal Public Service-health, food chain safety, and environment
  2. parents' association Miata

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Multiple Family Therapy (MFT) has gained increasing popularity in the treatment of eating disorders and many programs have been developed over the past decade. Still, there is little evidence in the literature on the effectiveness on MFT for treating eating disorders. The present study examines the effects of a particular model of Multiple Family Therapy on eating disorder symptoms, quality of life, and percentage of Expected Body Weight (%EBW) in adolescents with eating disorders (ED). Eighty-two adolescents with ED, aged between 11 and 19years, were assessed before and after treatment using the Eating Disorders Inventory 2 (EDI-2), the Outcome Questionnaire 45 (OQ-45) and %EBW. Results showed a significant increase in %EBW between the beginning and end of treatment, with a large effect size. 52.4% of patients achieved an EBW above 85%. Symptoms relative to all EDI dimensions (except for bulimia) significantly decreased during treatment. The three dimensions related to quality of life assessment also improved over the course of MFT. At the end of treatment, 70.7% of patients had a total OQ-45 score below clinical significance. This study suggests that Multiple Family Therapy may benefit adolescents with eating disorders, with improvement on several outcome measures (%EBW, ED symptoms, and quality of life). However, the lack of a comparison group entails caution when drawing conclusions. La terapia familiar multiple ha adquirido gran popularidad en el tratamiento de trastornos alimentarios, es por eso que en la ultima decada se han desarrollado numerosos programas para tal fin. Aun asi, la bibliografia existente contiene escasa evidencia de la eficacia de la terapia familiar multiple para el tratamiento de trastornos alimentarios. El presente estudio analiza los efectos que produce un modelo particular de terapia familiar multiple en los sintomas de trastornos alimentarios, en la calidad de vida y en el porcentaje de peso corporal esperado en adolescentes con trastornos alimentarios. Se evaluo a ochenta y dos adolescentes con trastornos alimentarios de entre 11 y 19 anos antes y despues del tratamiento utilizando el test de trastornos alimentarios 2 (Eating Disorders Inventory 2, EDI-2), el cuestionario de resultados 45 (Outcome Questionnaire 45, OQ-45) y el porcentaje de peso corporal esperado (%EBW). Los resultados indicaron un aumento significativo en el porcentaje de peso corporal esperado entre el comienzo y el final del tratamiento, con un gran tamano del efecto. El 52,4% de los pacientes obtuvo un peso corporal esperado superior al 85%. Los sintomas relativos a todos los aspectos del test de trastornos alimentarios (salvo la bulimia) disminuyeron considerablemente durante el tratamiento. Los tres aspectos relacionados con la evaluacion de la calidad de vida tambien mejoraron durante el transcurso de la terapia familiar multiple. Al final del tratamiento, el 70,7% de los pacientes obtuvo un puntaje total en el cuestionario de resultados que carece de importancia clinica. Este estudio sugiere que la terapia familiar multiple puede beneficiar a adolescentes que padecen trastornos alimentarios produciendo mejoras en varios indicadores de resultados (porcentaje de peso corporal esperado, sintomas de trastornos alimentarios y calidad de vida). Sin embargo, la falta de un grupo comparativo implica cautela a la hora de sacar conclusiones.

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