Hearing Loss and Overall Health

Hearing Aids Linked to Fewer Hospital and ER Visits by Older Adults

Many older adults with severe hearing loss don’t have hearing aids, but those with them typically use less costly types of health care, a new study finds.

Elderly HAs are preventive

In the new paper in JAMA Otolaryngology – Head & Neck Surgery, a team from the University of Michigan analyzed data from 1,336 adults ages 65 to 85 who reported severe hearing loss.

Strikingly, the researchers found that only 45 percent of those in the study actually use a hearing aid, despite having serious difficulty hearing. The rate is lower still among those with low incomes or less education, those who are African-American or Hispanic and who live in the Southern U.S.

After the researchers factored out these differences, they found that older adults with a hearing aid were less likely to have gone to a hospital or emergency room in the past year. The difference was about 2 percentage points — not a major difference but large enough to be statistically significant.

Among those who had been hospitalized, individuals with hearing aids had shorter stays than those who didn’t, averaging a half-day less in the hospital.

And those with hearing aids were 4 percentage points more likely to have had an office-based physician visit in the past year and had a higher number of such visits than those without hearing aids. Office-based visits are much less costly than emergency visits and hospital stays.

“This is the first study to show an association between hearing aid use and how older people use the health care system.”

Elham Mahmoudi, Ph.D.

Impact despite lack of coverage

The association of hearing aid use to lower-cost care is especially striking given the lack of insurance coverage for the devices, the authors say. Hearing loss is one of the most common conditions among those over age 65.

 “Traditional Medicare doesn’t cover hearing aids at all, Medicare Advantage plans may cover them but often ask members to share the cost at a high level, and only about half of states offer some Medicaid coverage for the lowest-income patients,” says Elham Mahmoudi, Ph.D., MBA, lead author of the new study and a health economist in the Department of Family Medicine at the U-M Medical School. “As the debate over expanding coverage continues, we hope this research and our future work will help inform the discussion.”

The findings, based on self-reported accounts of a single year of health care use, don’t show a cost savings overall for those who have invested in a hearing aid. That is unlikely to be visible in a cross-section of data such as this, Mahmoudi says.

In fact, those with hearing aids reported spending about $325 more out-of-pocket than those without, and $1,125 higher spending overall, compared with those who had hearing loss but no hearing aids. The total Medicare spending reported by both groups was about the same.

The new study is based on self-reported health care use and costs, gathered through the  Medical Expenditure Panel Survey conducted by the federal Agency for Healthcare Research and Quality.

The data also included self-reported health conditions. That people who have hearing aids were also less likely to have chronic illnesses such as diabetes and high blood pressure may have had something to do with these chances of using costlier services, according to an editorial commenting on the new paper. This difference could also indicate that hearing aids allow individuals to lead more active and healthy lives, researchers hypothesize.

Next steps

To take a long-term look at the same issue, Mahmoudi and her colleagues are studying five years’ worth of private insurance data from IHPI, and anonymous data from patients treated at Michigan Medicine.

By studying documented costs and health care use over multiple years, they hope to determine whether hearing aids are cost-effective — if the initial spending on a device actually pays off in lower costs from other forms of health care for the same patient.

Mahmoudi’s experience with her father’s hearing loss and the experience of two of her co-authors informed the study. Michael M. McKee, M.D., MPH, and Family Medicine chair Philip Zazove, M.D., also worked on the study; both have hearing loss and use cochlear implants.

Mahmoudi’s father, who is in his 80s, didn’t use a hearing aid to offset his hearing loss until she helped him navigate the process of getting a hearing exam and getting the hearing aid fitted and adjusted. The expense and the need for several office visits to adjust the device’s settings, make getting a hearing aid a complex undertaking.

But, she notes, other studies have found that hearing loss can cause adults to feel isolated, make them less likely to communicate effectively with family and health providers both in and out of the hospital, and is associated with worse overall health.

 “This is the first study to show an association between hearing aid use and how older people use the health care system,” says Mahmoudi. “If we look over a longer period, it may be that the cost of the hearing aid may be covered by the difference in use of health care. That remains to be seen. But hearing loss is something that a lot of people experience and it can be overcome in most cases. So cost effectiveness may be only one way to measure whether insurance coverage for hearing aids is the right thing to do.”


The original article can be found here:
https://labblog.uofmhealth.org/rounds/hearing-aids-linked-to-fewer-hospital-and-er-visits-by-older-adults

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