Article

TRATAMIENTO DE EXPOSICIÓN IN-VIVO EN UN CASO DE OBSESIONES INTESTINALES

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Abstract

Resumen En el presente estudio ha sido utilizado un diseño de línea base (A-B) con conductas múltiples para evaluar la efectividad de un procedimiento de exposi-ción in-vivo con prevención de respuesta (EPR) en un caso de obsesiones intesti-nales (OI) en un varón con 19 años. Los objetivos que se buscan con el presente caso clínico son tanto descriptivos, a través de la realización de un análisis fun-cional exhaustivo, como de comprobación de eficacia terapéutica. Para la eva-luación de resultados fueron utilizados registros simultáneos de diversas con-ductas objetivo (p.e tiempo de espera ante la exposición, duración de la expo-sición, metros de distancia respecto al centro hospitalario). El tratamiento (EPR), realizado bajo internamiento, consistió en 21 sesiones en las que se aplicó un procedimiento de exposición con prevención de respuesta. Nuestros resultados indicaron que un procedimiento de EPR mostraba ser eficaz en este paciente con IO y redujo notablemente sus conductas de evitación y ansiedad ante las distintas situaciones. PALABRAS CLAVE: Obsesiones intestinales, trastorno obsesivo-compulsivo, terapia cognitivo-conductual, diseño de caso único. Abstract In this study, a baseline design (A-B) with multiple behaviors was applied to assess the effectiveness of exposure plus response prevention (ERP) techniques for approaching a case of bowel obsession (BO) in a 19 year-old male. The aim of describing this single case was twofold: to report on a functional analysis of this mental disorder and to assess the degree of effectiveness after using such an approach. For the assessment, simultaneous monitoring included several target behaviors (e.g. waiting time before exposure, duration of exposure, distance from Correspondencia: Susana Jiménez Murcia, Coordinadora de Psicología, Servicio de Psiquiatría, Hospital Universitario de Bellritge, C/ Feixa Llarga s/n, 08907, Barcelona (España).

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