Description.Les ergothérapeutes sont de plus en plus sollicités dans la démarche diagnostique des atteintes cognitives chez la personne âgée.But.Trois outils pouvant aider au processus d'évaluation ont été étudiés pour documenter leurs qualités diagnostiques et la nature de l'association de leurs résultats: le Mini-Mental State Examination (MMSE), le Protocole d'examen cognitif de la personne âgée (PECPA-2r) et le Système de mesure de l'autonomie fonctionnelle (SMAF).Méthodologie.Une étude corrélationnelle transversale a permis de documenter l'association entre les résultats obtenus avec les trois outils alors qu'ils étaient utilisés auprès de personnes âgées référées au projet par leur médecin traitant.Résultats.Les résultats de l'étude, réalisée auprès de 52 personnes âgées chez qui une atteinte cognitive était soupçonnée, ont montré qu'une corrélation très forte existe entre les scores obtenus aux trois outils d'évaluation. Les scores au MMSE seraient d'excellents prédicteurs des scores au PECPA-2r et au SMAF. La sévérité de l'atteinte cognitive serait un bon prédicteur du niveau d'atteinte de l'autonomie.Conséquences pour la pratique.Certaines observations faites par les évaluateurs lors de l'administration des PECPA-2r et SMAF se sont révélées particulièrement utiles à la démarche diagnostique ultérieure faite par le médecin traitant. Le court temps d'administration du MMSE ne permettait pas de telles observations alors que les PECPA-2r et SMAF offraient ce temps propice à l'observation. Les ergothérapeutes sont invités à examiner avec attention leurs intentions cliniques alors qu'ils choisissent leurs outils d'évaluation.
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