Friday, December 16, 2011

Antidepressants Can Play Role When Older Drivers Crash

Prescriptions for second-generation antidepressants in older adults are associated with a modest increased risk of motor vehicle crashes, when combined with other medications that can impair cognition, finds a collaborative study by the Institute for Clinical Evaluative Sciences, Ontario Ministries of Health and Transportation, and Sunnybrook Health Sciences Centre, reported in the December American Journal of Geriatric Psychiatry.

Researchers reviewed databases for adults age 65 and older in Ontario, Canada, between January 1, 2000, and October 31, 2007. A total of 159,678 individuals had a crash during the study, of whom 7,393 (5 percent) received an antidepressant in the month prior to the crash, but antidepressants alone did not lead to a heightened risk of a motor vehicle crash. Rather, risk was associated with crashes in which the individual used another strong, centrally acting medication, such as a benzodiazepine or anticholinergic as well. Noted limitations to the study included a lack of information about the dose of the antidepressants and the possible effects of dementia. Much more research is needed on the effect of depression and antidepressants on driving, the researchers noted.

For more about antidepressant use in geriatric patients, see the Essentials of Geriatry Psychiatry, Second Edition, available from American Psychiatric Publishing in January.

(Image: Losevsky Pavel/Shutterstock.com)

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