Driving and the elderly

Another good article in the most recent Right at Home Newsletter

While some people with dementia can still drive safely for a time, nearly all people with dementia will eventually have to give up driving," said lead guideline author Donald J. Iverson, MD, of the Humboldt Neurological Medical Group in Eurkeka, CA, who is a Fellow of the American Academy of Neurology.

Iverson adds, "It's important for doctors to discuss this with patients and caregivers soon after the diagnosis, since restricted driving will affect the patient's quality of life and may lead to other health concerns, such as depression."

The guideline recommends that doctors use the Clinical Dementia Rating (CDR) scale to identify people with dementia who are at an increased risk of unsafe driving. The CDR provides a tool for clinicians to integrate information from caregivers and from direct examination of the patient to develop a comprehensive view of the dementia severity.

Evidence shows that driving skills deteriorate with increasing dementia severity. "While patients with mild dementia, as a group, are higher-risk drivers, more recent studies report that as many as 76% are still able to pass an on-road driving test and can safely drive," said Iverson. "Faced with these facts, we needed to provide guidelines for doctors to identify those people at higher risk of unsafe driving, without unnecessarily restricting those who are safe drivers."

Family caregivers may be an accurate judge of loved one's driving abilities.

The guidelines also confirm that caregivers should trust their instincts. A study found that caregivers who rate a patient's driving as "marginal" or "unsafe" were often proven correct when the patient took an on-road driving test. On the other hand, patients who deemed their own driving as "safe" were not necessarily accurate in their own assessments.

Caregivers and family members play a role in identifying warning signs from unsafe drivers with dementia. These include:

Collisions;


Moving violations; and,


Aggressive or impulsive personality traits.
"It is important that the decision to stop driving be directed by a doctor who is trained and experienced in working with people with dementia and their families," Iverson said. "Doctors should be aware that assessing driving ability is a complex process. More than one source of information is needed to make a judgment. In some situations, a dementia specialist may be needed."

Doctors, patients and caregivers must also know their state laws, since some states require that doctors report any medical conditions that may impact a patient's ability to drive safely.

This guideline was published in a recent issue of Neurology, the medical journal of the American Academy of Neurology, which is dedicated to promoting the highest quality patient-centered neurologic care. Visit the AAN website for consumer information on dementia, Parkinson's disease, stroke, and other neurological disorders.