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Magnetic resonance imaging study cannot individually distinguish individuals with mild cognitive impairment, mild Alzheimer's disease, and normal aging / Estudo por ressonância magnética não pode diferenciar individualmente os indivíduos com declínio cognitivo leve, doença de Alzheimer leve e envelhecimento normal
Arquivos de Neuro-Psiquiatria; Menezes, Terce Liana; Andrade-Valença, Luciana Patrízia A.; Valença, Marcelo Moraes.
  • Menezes, Terce Liana; Federal University of Pernambuco. Department of Neuropsychiatry. Neurology and Neurosurgery Unit. Recife. BR
  • Andrade-Valença, Luciana Patrízia A.; Federal University of Pernambuco. Department of Neuropsychiatry. Neurology and Neurosurgery Unit. Recife. BR
  • Valença, Marcelo Moraes; Federal University of Pernambuco. Department of Neuropsychiatry. Neurology and Neurosurgery Unit. Recife. BR
Arq. neuropsiquiatr ; 71(4): 207-212, abr. 2013. tab, graf
Article in English | LILACS | ID: lil-670889
ABSTRACT

Objective:

To evaluate the volumetric and spectroscopy aspects of hippocampus in patients with mild Alzheimer's disease (AD) and mild cognitive impairment (MCI).

Methods:

A series of patients older than 65 years and with memory deficit were studied.

Results:

The evocation of words test presented a significant reduction in the number of words recalled by the patients with MCI and mild AD as compared with the control group. Bilateral reduction of the hippocampus volume in the AD group was observed when compared to the control group. There were no statistical differences in the values of NAA/Cr, mI/Cr, Cho/Cr and mI/NAA between the groups.

Conclusions:

Magnetic resonance imaging study failed to individually distinguish patients with MCI, mild AD and normal aging. However, patients with mild AD presented loss of asymmetry between the right and left hippocampus, and a reduction in hippocampus volume. .
RESUMO

Objetivo:

Avaliar volume e espectroscopia do hipocampo em pacientes com doença de Alzheimer leve e declínio cognitivo leve.

Métodos:

Foi estudada uma série de pacientes com 65 anos de idade ou mais, com déficit de memória.

Resultados:

O teste de evocação de palavras mostrou redução significativa no número de palavras lembradas pelos pacientes com declínio cognitivo leve e doença de Alzheimer leve, em comparação com o grupo controle. Foi observada redução bilateral do volume do hipocampo no grupo com doença de Alzheimer quando comparado com o grupo controle. Não houve diferença estatística nos valores de NAA/Cr, mI/Cr, Cho/Cr e mI/NAA entre os grupos.

Conclusão:

Estudo pela ressonância magnética não diferencia individualmente os pacientes com declínio cognitivo leve, doença de Alzheimer leve e envelhecimento normal. No entanto, pacientes com quadro leve de doença de Alzheimer apresentam perda de assimetria entre os hipocampos direito e esquerdo e redução no volume do hipocampo. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Aging / Alzheimer Disease / Cognitive Dysfunction / Hippocampus Type of study: Diagnostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Pernambuco/BR

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Full text: Available Index: LILACS (Americas) Main subject: Aging / Alzheimer Disease / Cognitive Dysfunction / Hippocampus Type of study: Diagnostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Pernambuco/BR