Seniors get mental health drugs at twice the rate of other adults, see psychiatrists less

Seniors get mental health drugs at twice the rate of other adults, see psychiatrists less
Seniors (white bars) had a much higher rate of doctor's visits where mental health drugs were prescribed, and a lower rate of visits with psychiatrists, according to a new analysis of outpatient data from 2007-2010. Rates are visits per 100 people per year. Credit: University of Michigan

Older Americans receive prescriptions for mental health medications at more than twice the rate that younger adults do, a new study finds.

But they're much less likely to be getting their from a psychiatrist, the results also show.

That raises questions about whether they could be at risk of problems caused by a collision of multiple medications - and about whether doctors may need more support to care for older people with depression, anxiety and other conditions.

The new findings, published in the Journal of the American Geriatrics Society by a team from the University of Michigan Medical School and VA Ann Arbor Healthcare System, come from the first study to compare overall outpatient mental health treatment in adults over age 65 with that of patients between ages of 18 and 64.

The authors probed nationally representative outpatient visit data, combined with U.S. Census data, to come up with rates of different types of care.

The worry of previous decades - that America's seniors weren't receiving attention for - may now need to shift, says Donovan Maust, M.D., M.S., the geriatric psychiatrist who led the analysis.

Seniors get mental health drugs at twice the rate of other adults, see psychiatrists less
A photo illustration of the key findings from a nationally representative study of mental health-related care for adults over 65 and younger adults. Credit: University of Michigan

"Our findings suggest that use is widespread among in outpatient care, at a far higher rate than among younger patients," he says. "In many cases, especially for milder depression and anxiety, the safer treatment for older adults who are already taking multiple medications for other conditions might be more therapy-oriented, but very few older adults receive this sort of care."

The issue of medication use is particularly concerning for older adults, because the risk/benefit balance can shift as they become more likely to experience side effects or other adverse events.

For instance, anti-anxiety benzodiazepine drugs such as Valium, Xanax, Klonopin and Ativan (and their generic counterparts) may be relatively safe for , but carry a higher risk of car accidents, falls, fractures and worsening of thinking ability or memory for older patients.

Antidepressants can interact with blood thinners and painkillers and can raise blood pressure, all of which are more likely to be problems for older adults, who are generally on more medications than their younger counterparts.

"We need to pay special attention to polypharmacy, or multiple drugs taken at once, when prescribing psychotropic drugs in this population, because so many older adults are already on multiple medications," says Maust, an assistant professor in the U-M Department of Psychiatry.

He and his colleagues started with information from over 100,000 outpatient visits to outpatient physicians between 2007 and 2010 collected by the National Ambulatory Medical Care Survey, a national survey administered by the National Center for Health Statistics of the Centers for Disease Control and Prevention.

They examined four types of visits: ones where patients received a mental health diagnosis; saw a psychiatrist; received psychotherapy; and/or received a prescription or renewal of a psychotropic medication (including antidepressants, anxiety-calming drugs called anxiolytics, mood stabilizers, antipsychotics, or stimulant drugs).

They converted their results to a population-based visit rate, which helps consider the number of visits out of the eligible pool of potential outpatients in the community.

In this light, for example, visits related to antidepressant and anti-anxiety drug use among older adults (63 and 62 visits per 100 people per year, respectively) occurred at nearly double the rates of such visits by younger adults (36 and 29 visits per year per 100 people, respectively). In contrast, older adults see psychiatrists at about half the rate of younger adults (6.3 versus 12 visits per year per 100 people).

"While it's still true that we have patients who are not getting treated for concerns, these data suggest that we also need to be mindful of the possibility of overtreatment, especially given the changing balance of risk and benefit as patients age," says Maust. "Collaborative care efforts in primary care that seek to create structure and support for these patients, along with appropriate reimbursement for this type of service, could be key."


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More information: Journal of the American Geriatrics Society, Vol. 63, Issue 7, pp. 1364-1372, July 2015
Citation: Seniors get mental health drugs at twice the rate of other adults, see psychiatrists less (2015, July 30) retrieved 20 September 2019 from https://medicalxpress.com/news/2015-07-seniors-mental-health-drugs-adults.html
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