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MacArthur Competence Assessment Tool for Treatment in Alzheimer disease: cross-cultural adaptation

MacArthur Competence Assessment Tool for Treatment na doença de Alzheimer: adaptação transcultural

ABSTRACT

Objective:

We adapted the MacArthur Competence Assessment Tool for Treatment (MacCAT-T) to Brazilian Portuguese, pilot testing it on mild and moderate patients with Alzheimer's disease (AD).

Methods:

The cross-cultural process required six steps. Sixty-six patients with AD were assessed for competence to consent to treatment, global cognition, working memory, awareness of disease, functionality, depressive symptoms and dementia severity.

Results:

The items had semantic, idiomatic, conceptual and experiential equivalence. We found no difference between mild and moderate patients with AD on the MacCAT-T domains. The linear regressions showed that reasoning (p = 0.000) and functional status (p = 0.003) were related to understanding. Understanding (p = 0.000) was related to appreciation and reasoning. Awareness of disease (p = 0.001) was related to expressing a choice.

Conclusions:

The MacCAT-T adaptation was well-understood and the constructs of the original version were maintained. The results of the pilot study demonstrated an available Brazilian tool focused on decision-making capacity in AD.

Keywords:
decision making; mental competency; geriatric assessment; Alzheimer disease; translating

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