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Validation of the Argentine version of the Memory Binding Test (MBT) for Early Detection of Mild Cognitive Impairment / Validação da versão argentina do Memory Binding Test (MBT) para a detecção precoce do transtorno cognitivo leve
Roman, Fabian; Iturry, Mónica; Rojas, Galeno; Barceló, Ernesto; Buschke, Herman; Allegri, Ricardo F.
  • Roman, Fabian; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
  • Iturry, Mónica; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
  • Rojas, Galeno; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
  • Barceló, Ernesto; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
  • Buschke, Herman; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
  • Allegri, Ricardo F; Hospital General Abel Zubizarreta. Center for Aging and Memory Research. Buenos Aires. AR
Dement. neuropsychol ; 10(3): 217-226, July-Sept. 2016. tab, graf
Article in English | LILACS | ID: lil-795289
ABSTRACT
ABSTRACT.

Background:

"Forgetfulness" is frequent in normal aging and characteristic of the early stages of dementia syndromes. The episodic memory test is central for detecting amnestic mild cognitive impairment (MCI). The Memory Binding Test (MBT) is a simple, easy and brief memory test to detect the early stage of episodic memory impairment.

Objective:

To validate the Argentine version of the MBT in a Latin American population and to estimate the diagnostic accuracy as a tool for early detection of MCI.

Methods:

88 subjects (46 healthy controls and 42 patients with amnestic MCI) matched for age and educational level were evaluated by an extensive neuropsychological battery and the memory binding test.

Results:

A significantly better performance was detected in the control group; all MBT scales were predictive of MCI diagnosis (p<.01). The MBT showed high sensitivity (69%) and high specificity (88%), with a PPV of 93% and a NPV of 55% for associative paired recall. A statistically significant difference (c2=14,164, p<.001) was obtained when comparing the area under the curve (AUC) of the MBT (0.88) and the MMSE (0.70).

Conclusion:

The Argentine version of the MBT correlated significantly with the MMSE and the memory battery and is a useful tool in the detection of MCI. The operating characteristics of the MBT are well suited, surpassing other tests commonly used for detecting MCI.
RESUMO
RESUMO. "Esquecimento" é queixa frequente no envelhecimento normal e também ocorre nos primeiros estágios de síndromes demenciais. Testes de memória episódica são fundamentais para detectar comprometimento cognitivo amnéstico (CCL). O teste de Memória Associativa (Memory Binding Test-MBT) é um teste fácil e breve para detectar a fase inicial de perda de memória episódica.

Objetivo:

Validar a versão argentina do MBT e estimar a sua acurácia como instrumento diagnóstico para a detecção precoce do CCL.

Métodos:

88 indivíduos (46 controles saudáveis ​​e 42 pacientes com CCL amnéstico), emparelhados por idade e nível educacional, foram avaliados com extensa bateria neuropsicológica e o MBT.

Resultados:

Um desempenho significativamente melhor foi detectada no grupo controle; todas as escalas do MBT foram preditivas do diagnóstico de CCL (p<0,01). O MBT apresentou alta sensibilidade (69%) e alta especificidade (88%), com valor preditivo (VP) positivo de 93% e e VP negativo de 55% para a recordação dos itens associados (associative paired recall). Diferença estatisticamente significativa (c2=14,164, p<0,001) foi obtida quando foram comparadas as áreas sob as curvas (AUC) do MBT (0,88) e o Mini-Exame do Estado Mental (MEEM) (0,70).

Conclusão:

A versão argentina do MBT correlacionou-se significativamente com o MEEM e com a bateria de memória e é uma ferramenta útil na detecção de CCL. As características operacionais do MBT são bem adequadas, superando outros testes usualmente utilizados para a detecção de CCL.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Diagnosis / Alzheimer Disease / Memory, Episodic / Mental Status and Dementia Tests / Memory Disorders Type of study: Diagnostic study / Prognostic study / Screening study Limits: Humans Country/Region as subject: South America / Argentina Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2016 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital General Abel Zubizarreta/AR

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Full text: Available Index: LILACS (Americas) Main subject: Diagnosis / Alzheimer Disease / Memory, Episodic / Mental Status and Dementia Tests / Memory Disorders Type of study: Diagnostic study / Prognostic study / Screening study Limits: Humans Country/Region as subject: South America / Argentina Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2016 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital General Abel Zubizarreta/AR