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Mild cognitive impairment: cognitive screening or neuropsychological assessment? / Comprometimento cognitivo leve: rastreio cognitivo ou avaliação neuropsicológica?
Diniz, Breno Satler; Nunes, Paula Villela; Yassuda, Monica S; Pereira, Fernanda S; Flaks, Mariana K; Viola, Luciane F; Radanovic, Marcia; Abreu, Izabella Dutra de; Borelli, Danilo T; Gattaz, Wagner F; Forlenza, Orestes Vicente.
  • Diniz, Breno Satler; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Nunes, Paula Villela; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Yassuda, Monica S; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Pereira, Fernanda S; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Flaks, Mariana K; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Viola, Luciane F; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Radanovic, Marcia; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Abreu, Izabella Dutra de; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Borelli, Danilo T; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Gattaz, Wagner F; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
  • Forlenza, Orestes Vicente; Universidade de São Paulo. School of Medicine. Department and Institute of Psychiatry. Psychogeriatric Clinic and Laboratory of Neuroscience. São Paulo. BR
Braz. J. Psychiatry (São Paulo, 1999, Impr.) ; 30(4): 316-321, Dec. 2008. graf, tab
Article in English | LILACS | ID: lil-501861
ABSTRACT

OBJECTIVE:

To describe the neuropsychological profile of mild cognitive impairment subtypes (amnestic, non-amnestic and multiple-domain) of a clinical sample. We further address the diagnostic properties of the Mini-Mental State Examination and the Cambridge Cognitive Examination for the identification of the different mild cognitive impairment subtypes in clinical practice.

METHOD:

Cross-sectional clinical and neuropsychological evaluation of 249 elderly patients attending a memory clinic at a university hospital in Sao Paulo, Brazil.

RESULTS:

The performance of patients with mild cognitive impairment was heterogeneous across the different subtests of the neuropsychological battery, with a trend towards an overall worse performance for amnestic (particularly multiple domain) mild cognitive impairment as compared to non-amnestic subtypes. Screening tests for dementia (Mini-Mental State Examination and Cambridge Cognitive Examination) adequately discriminated cases of mild Alzheimer's disease from controls, but they were not accurate to discriminate patients with mild cognitive impairment (all subtypes) from control subjects.

CONCLUSIONS:

The discrimination of mild cognitive impairment subtypes was possible only with the aid of a comprehensive neuropsychological assessment. It is necessary to develop new strategies for mild cognitive impairment screening in clinical practice.
RESUMO

OBJETIVO:

Descrever o perfil neuropsicológico dos subtipos de comprometimento cognitivo leve, amnéstico, não-amnéstico e múltiplos domínios, de uma amostra clínica. Além disto, avaliou-se as propriedades diagnósticas do Mini-exame do Estado Mental e do Cambridge Cognitive Examination na identificação dos diferentes subtipos de comprometimento cognitivo leve na prática clínica.

MÉTODO:

Avaliação clínica e neuropsicológica transversal de 249 idosos em uma clínica de memória de um hospital universitário em São Paulo, Brasil.

RESULTADOS:

Testes de rastreio para demência (Mini-exame do Estado Mental e Cambridge Cognitive Examination) identificam corretamente casos de doença de Alzheimer leve, mas não apresentam boa acurácia para diferenciar os diversos subtipos de comprometimento cognitivo leve. A performance dos sujeitos portadores de comprometimento cognitivo leve foi heterogênea nos diferentes testes da bateria neuropsicológica, com uma tendência a uma pior performance global nos pacientes com o subtipo amnéstico (especialmente os com envolvimento de múltiplos domínios cognitivos) em relação ao comprometimento cognitivo leve não-amnéstico.

CONCLUSÕES:

A discriminação dos diferentes subtipos de comprometimento cognitivo leve foi possível somente a partir de uma avaliação neuropsicológica detalhada. Desta maneira, é necessário o desenvolvimento de novas estratégias de rastreio para esta condição na prática clínica.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Cognition Disorders / Alzheimer Disease / Amnesia / Neuropsychological Tests Type of study: Diagnostic study / Evaluation studies / Observational study / Prognostic study / Risk factors / Screening study Limits: Aged / Female / Humans / Male Language: English Journal: Braz. J. Psychiatry (São Paulo, 1999, Impr.) Journal subject: Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Cognition Disorders / Alzheimer Disease / Amnesia / Neuropsychological Tests Type of study: Diagnostic study / Evaluation studies / Observational study / Prognostic study / Risk factors / Screening study Limits: Aged / Female / Humans / Male Language: English Journal: Braz. J. Psychiatry (São Paulo, 1999, Impr.) Journal subject: Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de São Paulo/BR