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Functional profile of patients with behavioral variant frontotemporal dementia (bvFTD) compared to patients with Alzheimer's disease and normal controls

Perfil funcional de pacientes com demência frontotemporal variante comportamental (bvDFT) em comparação com pacientes com doença de Alzheimer e controles normais

ABSTRACT

There are few studies describing the functional changes in behavioral variant frontotemporal dementia (bvFTD) and it is not clear which aspects of functionality are affected by the disease.

Objective:

The aim of the present investigation was to characterize the functional profile of patients previously diagnosed with bvFTD.

Methods:

The sample consisted of 31 patients diagnosed with bvFTD, who were compared to patients with Alzheimer's disease (AD) (n=31) and to healthy control subjects (NC) (n=34), matched for schooling and age. bvFTD and AD patients were matched by severity of dementia. The protocol included the Mini-Mental State Examination (MMSE), Geriatric Depression Scale (GDS), Direct Assessment of Functional Status (DAFS-BR), Functional Activities Questionnaire (PFAQ), Disability Assessment for Dementia (DAD) and the Clinical Dementia Rating scale (CDR).

Results:

The group with bvFTD showed worse performance on Initiation and Planning/Organization in the DAD and on ability to feed oneself in the DAFS-BR, as well as higher scores on the PFAQ, suggesting greater dependence in the bvFTD group.

Conclusion:

The results suggest that individuals with bvFTD display greater functional impairment compared to AD patients with a similar degree of dementia severity and to healthy controls. Direct assessment of functionality proved unable to clearly differentiate between the dementia subtypes.

Key words:
behavioral variant frontotemporal dementia; functional status; dependence

RESUMO

Existem poucos estudos sobre alterações funcionais na variante comportamental da demência frontotemporal (DFTvc).

Objetivo:

Caracterizar o desempenho funcional de pacientes com diagnóstico prévio de DFTvc.

Métodos:

Trinta e um pacientes com DFTvc foram comparados a pacientes com doença de Alzheimer (DA) (n=31) e adultos saudáveis (NC) (n=34), pareados para idade e escolaridade. Os pacientes com DFTvc e DA foram pareados pela gravidade da demência. O protocolo incluiu o Mini Exame do Estado Mental, Escala de Depressão Geriátrica (GDS), Direct Assessment of Functional Status (DAFS-BR), Disability Assessment for Dementia (DAD), Functional Activities Questionnaire (PFAQ) e Clinical Dementia Rating scale (CDR).

Resultados:

O grupo com DFTvc apresentou pior desempenho em Iniciação e Planejamento/Organização na DAD, em Alimentação na DAFS-BR e pontuação mais elevada na PFAQ, sugerindo que a dependência na DFTvc é mais acentuada.

Conclusão:

Os resultados apresentados sugerem que indivíduos com DFTvc apresentam maior prejuízo funcional, quando comparados com participantes com DA com grau semelhante de gravidade e com adultos saudáveis. A avaliação direta da funcionalidade não ajudou a diferenciar os subtipos de demência de modo significativo.

Palavras-chave:
demência frontotemporal variante comportamental; funcionalidade; prejuízo funcional; dependência

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Publication Dates

  • Publication in this collection
    Jan-Mar 2013

History

  • Received
    12 Dec 2012
  • Accepted
    28 Feb 2013
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