期刊
NEUROSCIENCE LETTERS
卷 319, 期 1, 页码 33-36出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3940(01)02507-1
关键词
Alzheimer's disease; magnetic resonance imaging; substantia innominata; cholinergic neuron; donepezil; responders
Atrophy of the substantia innominata on magnetic resonance imaging (MRI), reflecting degeneration of cholinergic neurons in the nucleus basalis of Meynert, may be an in vivo marker of cholinergic damage. We attempted to investigate whether the MRI features of the substantia innominata predict response to donepezil treatment in Alzheimer's patients. The thickness of the substantia innominata was measured on the coronal T2-weighted MRI th rough the anterior commissure. Seventy-two patients treated with donepezil were divided into the two groups (responders and non-responders) based on changes in Mini-Mental State Examination (MMSE) scores from baseline to study endpoint. Atrophy of the substantia innominata was more pronounced in responders than non-responders. There was a significant inverse correlation between thickness of the substantia innominata and MMSE changes. MRI analysis of the substantia innominata may be a simple and practical method for the selection of possible treatment responders. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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