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Hearing loss in older adults tied to more hospitalizations and poorer physical and mental health

Date:
June 11, 2013
Source:
Johns Hopkins Medicine
Summary:
Older adults with hearing loss are more likely than peers with normal hearing to require hospitalization and suffer from periods of inactivity and depression, according to new results.

Older adults with hearing loss are more likely than peers with normal hearing to require hospitalization and suffer from periods of inactivity and depression, according to results of a new study by experts at Johns Hopkins.

The Johns Hopkins team's analysis of the health survey data from 1,140 men and women aged 70 and older with hearing loss found that those with hearing deficits were 32 percent more likely to have been admitted to a hospital than 529 older men and women with normal hearing. All study participants had volunteered to have their hearing tested over a four-year period, as part of a larger, ongoing study, the National Health and Nutrition Examination Survey, or NHANES.

The latest NHANES findings, to be published in the Journal of the American Medical Association online June 11, are believed to be the first to show the broader, economic and long-term effects of hearing loss on general health.

"Hearing loss may have a profoundly detrimental effect on older people's physical and mental well-being, and even health care resources," says senior study investigator and Johns Hopkins otologist and epidemiologist Frank Lin, M.D., Ph.D. "Our results underscore why hearing loss should not be considered an inconsequential part of aging, but an important issue for public health," says Lin, an assistant professor at the Johns Hopkins University School of Medicine and the university's Bloomberg School of Public Health. According to Lin, as many as 27 million Americans over age 50, including two-thirds of men and women aged 70 years and older, suffer from some form of hearing loss.

Among the study's other key findings were that older adults with hearing loss were 36 percent more likely to have prolonged stretches of illness or injury (lasting more than 10 days), and 57 percent more likely to have deep episodes of stress, depression or bad mood (for more than 10 days). NHANES participants answered detailed questionnaires about their physical and mental well-being.

"Health policymakers really have to consider hearing loss and its broader health impact when making decisions, particularly for older people," says Dane Genther, M.D., lead study investigator and a Johns Hopkins resident in otolaryngology -- head and neck surgery. Genther supports expanded Medicare and Medicaid reimbursement for hearing-related health care services, wider installation of hearing loops in various facilities, and more accessible and affordable approaches for treating hearing loss.

Lin says social isolation resulting from hearing loss may explain the physical and mental declines -- as well as the cognitive deficits -- that afflict older adults. This, in turn, may lead to more illness and hospitalization, he says. His team already has further research under way to see if treating hearing loss with counseling and hearing aids can reduce people's risk of cognitive decline and dementia.

NHANES participants were tested for hearing loss from 2005 to 2006, and again from 2009 to 2010. For the test, study volunteers individually listened to a range of soft and loud sounds, from 0 decibels to 100 decibels, in a soundproof room. Hearing specialists define such a deficit as recognizing only those sounds louder than 25 decibels.

Funding support for this study and the NHANES study was provided by the National Institutes of Health (NIH), and the Centers for Disease Control and Prevention. Corresponding grant numbers are T32-DC000027-24 and 1K23-DC011279. Additional research support was provided by the Eleanor Schwartz Charitable Foundation and a Triological Society and American College of Surgeons Clinician-Scientist Award.

In addition to Lin and Genther, other Johns Hopkins researchers involved in this study were Kevin Frick, Ph.D.; David Chen, B.S.; and Joshua Betz, M.S.


Story Source:

The above story is based on materials provided by Johns Hopkins Medicine. Note: Materials may be edited for content and length.


Journal Reference:

  1. Dane J. Genther et al. Association of Hearing Loss With Hospitalization and Burden of Disease in Older Adults. JAMA, 2013; 309 (22): 2322 DOI: 10.1001/jama.2013.5912

Cite This Page:

Johns Hopkins Medicine. "Hearing loss in older adults tied to more hospitalizations and poorer physical and mental health." ScienceDaily. ScienceDaily, 11 June 2013. <www.sciencedaily.com/releases/2013/06/130611161845.htm>.
Johns Hopkins Medicine. (2013, June 11). Hearing loss in older adults tied to more hospitalizations and poorer physical and mental health. ScienceDaily. Retrieved July 26, 2014 from www.sciencedaily.com/releases/2013/06/130611161845.htm
Johns Hopkins Medicine. "Hearing loss in older adults tied to more hospitalizations and poorer physical and mental health." ScienceDaily. www.sciencedaily.com/releases/2013/06/130611161845.htm (accessed July 26, 2014).

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