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Memory complaints and increased rates of brain atrophy: risk factors for mild cognitive impairment and Alzheimer's disease

✍ Scribed by H. A. Archer; J. Kennedy; J. Barnes; T. Pepple; R. Boyes; K. Randlesome; S. Clegg; K. K. Leung; S. Ourselin; C. Frost; M. N. Rossor; N. C. Fox

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
174 KB
Volume
25
Category
Article
ISSN
0885-6230

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✦ Synopsis

Abstract

Aim

To determine rates of cerebral atrophy in individuals with symptoms of memory loss but no objective cognitive impairment (SNCI) and their association with future cognitive decline.

Methods

Thirty‐two SNCI subjects, 16 with mild cognitive impairment (MCI) and 27 control subjects had clinical assessment and magnetic resonance imaging at baseline and 1 year later. Rates of whole brain atrophy (WBA), hippocampal atrophy (HA) and ventricular enlargement (VE) were measured. Our outcome was clinical diagnosis at 2 years after entry into the study.

Results

The MCI group had greater rates of WBA, HA and VE than both controls and SNCI subjects. As a group SNCI subjects did not have significantly greater rates of atrophy than the controls. However, SNCI subjects who progressed to MCI or dementia had increased rates of atrophy compared with those who remained stable.

Discussion

Individuals with memory complaints but no objective memory deficits, who progress to MCI or dementia, have increased rates of cerebral atrophy. Copyright Β© 2010 John Wiley & Sons, Ltd.

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