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:: Volume 22, Issue 3 (10-2013) ::
aud 2013, 22(3): 23-30 Back to browse issues page
Evaluation of hearing in patients with type II diabetes mellitus
Ronak Zeinolabedini1 , Mehdi Akbari * 1, Bijan Forugh2 , Mohammad Kamali3
1- Department of Audiology, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
2- Phycical Medicine Ward, Firuzgar Hospital, Iran University of Medical Sciences, Tehran, Iran
3- Department of Rehabilitation Management, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
Abstract:   (10596 Views)

Background and Aim: Diabetes mellitus is a progressive metabolic disease. Studies about the relationship between diabetes mellitus and auditory impairment have shown variable results in supporting the fact that diabetes may have a complex repercussion on the auditory pathways. We aimed to evaluate hearing in patients with type II diabetes mellitus with behavioral and electrophysiological auditory tests.

Methods: In a cross-sectional study, we assessed 30 patients with type II diabetes mellitus with the mean age of 43.7 (SD: 1.3) years, ranging 40-45 years, and 30 matched healthy subjects with the mean age of 41.5 (SD: 1.5) years. Subjects were evaluated using auditory brainstem response (ABR) and pure tone audiometry. The results were compared between two groups.

Results: Pure tone audiometry was normal. There was a significant increased latency for waves I, III, and V, and also, interpeak latencies of I-III, III-V, and I-V waves (p<0.05).

Conclusion: ABR latency prolongation indicates abnormal nerve conduction velocity in patients with type II diabetes mellitus. ABR can be an important clinical tool for evaluating diabetes influence on cochlear nerve conduction velocity before hearing loss occurs in these patients.
Keywords: Type II diabetes mellitus, auditory brainstem response (ABR), pure tone audiometry
Full-Text [PDF 139 kb]   |   Full Text (HTML)   (3866 Downloads)    
Type of Study: Research |
Received: 2012/02/11 | Accepted: 2012/09/15 | Published: 2013/10/9
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 22, Issue 3 (10-2013) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
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