MRI identifies MCI subtypes: vascular versus neurodegenerative.

Abstract:

:As life expectancy increases worldwide, pandemics of cognitive impairment and dementia are emerging as major public health problems. Mild cognitive impairment (MCI), prodromal for dementia, is a descriptive term used for those clinical states showing early and subtle cognitive decline among the elderly, preceding the dementias. Psychometric screening combining Mini-Mental Status (MMSE) and Cognitive Capacity Screening (CCSE) Examinations, when combined now called CMC with C standing for Combined, M for MMSE, and C for CCSE, confirms diagnosis of MCI. Individuals identified with MCI are at increased risk for dementia of Alzheimer's type (DAT), vascular dementia (VAD) and other rare neurodegenerative dementias, including Lewy body dementia (LBD), fronto-temporal dementia (FTD) and Parkinson's disease dementia (PDD). Depending on different clinical compositions of cohorts studied, and MCI criteria used, between 19% and 50% of MCI progress to dementia within 3-5 years, two thirds to Alzheimer's (DAT) and one third to vascular types (VAD) in the United States. Not all Parkinsonians become demented, but PDD develops in 20-30%, however, PDD subjects were excluded from the present study, as were LBD and FTD. The incidence of MCI in those over age 70, with confirmed cognitive declines when tested 2 years later, is around 23%, but some spontaneously improve.

journal_name

J Neurol Sci

authors

Meyer JS,Quach M,Thornby J,Chowdhury M,Huang J

doi

10.1016/j.jns.2004.11.012

subject

Has Abstract

pub_date

2005-03-15 00:00:00

pages

121-9

eissn

0022-510X

issn

1878-5883

pii

S0022-510X(04)00434-4

journal_volume

229-230

pub_type

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