San Diego School of Medicine receives grant to provide professional training to senior drivers

Published on November 27, 2013 at 12:03 AM · No Comments

For the seventh consecutive year, the Training, Research and Education for Driving Safety (TREDS) program at the University of California, San Diego School of Medicine has been awarded a grant from the California Office of Traffic Safety (OTS) that will help keep our roadways and senior drivers safe through professional training.

TREDS works with health care providers and law enforcement to identify and assist older drivers with health issues that may put them and other drivers at risk. Driving abilities decrease with age due to physical impairments such as vision, cognition, frailty and the use of medications. Prescription and over-the-counter medications can significantly impair necessary driving skills, including eye sight, reaction time, judgment, hearing, simultaneous task processing and motor skills. Additionally, when drugs are mixed with alcohol, the results can be devastating. According to studies, a 10 mg of Valium has been found to be equivalent to a blood alcohol content (BAC) of 0.10 in its ability to impair driving.

"Physicians have a responsibility to their patients and to the public to help minimize driving risks through appropriate prescribing practices and patient counseling," said Linda Hill, MD, MPH, professor of Family and Preventive Medicine, UC San Diego School of Medicine and TREDS program director. "It is estimated that 78 percent of drivers 55-years-old and older are using at least one prescription medication with the potential to impair driving, yet only 28 percent of senior drivers are aware that their medications have this potential effect. Patients over 65-years-old make up 12 percent of the population, yet they consume 31 percent of prescribed drugs."

Antidepressants are an example where both the medication and the disease being treated can affect driving safety. Depression increases the crash risk two to three times, and equally worrisome is that antidepressant medications have been associated with more than double the crash risk in the elderly. Muscle relaxers, anti-anxiety and anti-insomnia medications also adversely affect the safety of senior drivers.

Diabetes drugs, chemotherapy and narcotics can also result in impaired judgment, confusion, drowsiness, nausea and dehydration, all likely to impair driving safety.

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