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Diabetic patients have higher prevalence of hearing impairment

Date:
November 14, 2012
Source:
Endocrine Society
Summary:
Patients with diabetes have a significantly higher prevalence of hearing impairment than patients without diabetes, according to a recent.

Patients with diabetes have a significantly higher prevalence of hearing impairment than patients without diabetes, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM). Study authors note that the finding is likely to be independent of the effect of aging or a noisy environment.

The number of those with impaired hearing more than doubled in the period from 1995 to 2004. Epidemiologically, several health problems in relation to hearing impairment have been reported such as depression and dementia. Recently several studies have investigated the relationship between diabetes and hearing impairment but their findings were inconsistent.

"The association of hearing impairment with diabetes is controversial, but it is believed that over time, high blood glucose levels can damage vessels in the stria vascularis and nerves diminishing the ability to hear," said Chika Horikawa, RD, MSc, of Niigata University in Japan and lead author of the study. "In our study we found that persons with diabetes had more than two times higher prevalence of hearing impairment than those without diabetes."

This study was a meta-analysis of thirteen previous cross-sectional studies (20,194 participants). Hearing impairment was assessed by pure-tone audiometry that included at least 2 kHz of frequency range. The strength of the association between diabetes and prevalence of hearing impairment was not significantly influenced by whether participants were matched for age and gender or whether participants chronically exposed to noisy environments were excluded.

"Our results propose that diabetic patients be screened for hearing impairment from earlier age compared with non-diabetics, from the viewpoint of prevention of several health problems such as depression and dementia caused by hearing impairment," notes Horikawa.

Other researchers working on the study include: Satoru Kodama, Kazuya Fujihara, Reiko Hirasawa, Yoko Yachi and Hirohito Sone of Niigata University; Hitoshi Shimano and Nobuhiro Yamada of the University of Tsukuba Institute of Clinical Medicine in Japan; Shiro Tanaka of Kyoto University School of Medicine in Japan; and Kazumi Saito of Ibaraki Prefectural University of Health Sciences Center for Medical Sciences in Japan.

The article, "Diabetes and Risk of Hearing Impairment in Adults: A Meta-analysis," appears in the January 2013 issue of JCEM.


Story Source:

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


Journal Reference:

  1. C. Horikawa, S. Kodama, S. Tanaka, K. Fujihara, R. Hirasawa, Y. Yachi, H. Shimano, N. Yamada, K. Saito, H. Sone. Diabetes and Risk of Hearing Impairment in Adults: A Meta-Analysis. Journal of Clinical Endocrinology & Metabolism, 2012; DOI: 10.1210/jc.2012-2119

Cite This Page:

Endocrine Society. "Diabetic patients have higher prevalence of hearing impairment." ScienceDaily. ScienceDaily, 14 November 2012. <www.sciencedaily.com/releases/2012/11/121114083224.htm>.
Endocrine Society. (2012, November 14). Diabetic patients have higher prevalence of hearing impairment. ScienceDaily. Retrieved April 17, 2014 from www.sciencedaily.com/releases/2012/11/121114083224.htm
Endocrine Society. "Diabetic patients have higher prevalence of hearing impairment." ScienceDaily. www.sciencedaily.com/releases/2012/11/121114083224.htm (accessed April 17, 2014).

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