Magazine article Clinical Psychiatry News

Mild Cognitive Impairment Is Widespread. (People over Age 70)

Magazine article Clinical Psychiatry News

Mild Cognitive Impairment Is Widespread. (People over Age 70)

Article excerpt

STOCKHOLM -- Nearly one in five nondemented people over age 70 meets the criteria for mild cognitive impairment, Dr. Oscar L. Lopez reported at the Eighth International Conference on Alzheimer's Disease and Related Disorders.

Mild cognitive impairment (MCI), a relatively new diagnostic entity, designates a group of individuals thought to be at increased risk for progression to Alzheimer's disease but who do not yet have signs of dementia.

The amnestic type is associated only with memory deficits; the multiple cognitive domain type encompasses a broader range of cognitive impairments, including memory.

Previous studies have estimated the prevalence rates of MCI at anywhere from 3% to 76%, depending on the population studied and the definition of MCI used, noted Dr. Lopez of the Alzheimer's Disease Research Center at the University of Pittsburgh.

The Modified Mini-Mental State Examination and the Digit Symbol Substitution Test were administered annually from 1988 to 1999 to 5,888 subjects. Participants were aged 65 and older, and 687 of them were African American. All were part of the Cardiovascular Health Study, a large U. …

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