Magazine article Clinical Psychiatry News

TBI Might Double Risk of Developing Dementia

Magazine article Clinical Psychiatry News

TBI Might Double Risk of Developing Dementia

Article excerpt

FROM THE ALZHEIMER'S ASSOCIATION INTERNATIONAL CONFERENCE 2011

PARIS - Traumatic brain injury might double the risk of developing dementia, according to findings from a study of more than 280,000 U.S. veterans.

The risk of dementia over 7 years was 15.3% in 4,902 veterans who had a TBI diagnosis in 1997-2000, compared with 6.8% in those without a TBI diagnosis. The comparison yielded a hazard ratio of 2.3 for those with any TBI diagnosis after adjustment for age, sex, race, and multiple medical and psychiatric conditions.

The difference was statistically significant for all TBI types, including intracranial injury (the most common form, which accounted for 40% of the injuries among the veterans) as well as for concussion, postconcussion syndrome, head fracture, and unspecified head injury, Dr. Kristine Yaffe and her colleagues reported at the conference.

The findings also offer hope that early treatment and rehabilitation after TBI could help ward off dementia, said Dr. Yaffe, professor of psychiatry, neurology, and epidemiology at the University of California, San Francisco.

About 1.7 million people experience a TBI each year in the United States, most often as a result of falls and car crashes, data from the Centers for Disease Control and Prevention show. …

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