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Evaluación de la apatía: uso de la Escala de Evaluación de la Apatía en el primer episodio de psicosis

Published online by Cambridge University Press:  01 April 2008

Ana Faerden
Affiliation:
Sección para la Investigación de la Psicosis, División de Psiquiatría, Edificio 49, Hospital Universitario Ullevåll, Krikeveien 166, 0407Oslo, Noruega
Ragnar Nesvåg
Affiliation:
Hospital Diakonhjemmet, 0319Oslo, Noruega
Elizabeth Ana Barrett
Affiliation:
Hospital Universitario Aker, 0514Oslo, Noruega
Ingrid Agartz
Affiliation:
Hospital Diakonhjemmet, 0319Oslo, Noruega Instituto de Psiquiatría, Universidad de Oslo, 0318Oslo, Noruega
Arnstein Finset
Affiliation:
Instituto de Ciencias del Comportamiento en Medicina, Universidad de Oslo, 0317Oslo, Noruega
Svein Friis
Affiliation:
Sección para la Investigación de la Psicosis, División de Psiquiatría, Edificio 49, Hospital Universitario Ullevåll, Krikeveien 166, 0407Oslo, Noruega Instituto de Psiquiatría, Universidad de Oslo, 0318Oslo, Noruega
Jan Ivar Rossberg
Affiliation:
Sección para la Investigación de la Psicosis, División de Psiquiatría, Edificio 49, Hospital Universitario Ullevåll, Krikeveien 166, 0407Oslo, Noruega Instituto de Psiquiatría, Universidad de Oslo, 0318Oslo, Noruega
Ingrid Melle
Affiliation:
Sección para la Investigación de la Psicosis, División de Psiquiatría, Edificio 49, Hospital Universitario Ullevåll, Krikeveien 166, 0407Oslo, Noruega Instituto de Psiquiatría, Universidad de Oslo, 0318Oslo, Noruega
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Resumen

Antecedentes.

Recientemente ha aumentado el interés por definir los límites y subdominios del síndrome negativo de la esquizofrenia y se han buscado nuevas escalas. La apatía es uno de los síntomas analizados. La Escala de Evaluacion de la Apatía (AES) con su version clínica (AES-C) es una de las escalas más usada en un contexto interdisciplinario, pero no se ha usado antes en poblaciones con el primer episodio de psicosis. Los objetivos principales de este estudio fueron examinar las propiedades psicométricas de la AES-C y su relación con la Escala de Síndrome Positiva y Negativa (PANSS).

Métodos.

Se incluyeron 104 pacientes con un primer episodio de psicosis del estudio de Investigación Tematicá Organizada de la Psicosis (TOP).

Resultados.

En el análisis de los factores de la AES-C se identificaron tres subescalas: Apatía, Percepción y Contactos Sociales. Sólo la subescala de Apatía exhibió propiedades psicométricas satisfactorias y propiedades convergentes y discriminatorias aceptables por correlación fuerte con los apartados del PANSS relacionados con la apatía.

Conclusiones.

Este estudio demuestra que la AES-C mide mas de una dimensión. Sin embargo, el factor principal, la subescala de la Apatía, puede usarse para evaluar la apatía en pacientes con un primer episodio de psicosis con el fin de refinar la evalaución de los subdominios del síndrome negativo.

Type
Artículo original
Copyright
Copyright © European Psychiatric Association 2008

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