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Published on: October 23, 2020
Evaluation of the auditory brainstem response test in patients with type 2 diabetes mellitus
Mahbubeh Sheikhzadeh1, Fereshteh Bagheri1, Mohammad Ali Bayani2
1Department of Audiology, School of Rehabilitation Sciences, Babol University of Medical Sciences, Iran.
Background:
Hearing loss is an unknown complication of diabetes mellitus (DM). The aim of this study was to evaluate hearing function using auditory brainstem response (ABR) in diabetic patients.
Methods:
The present case-control study was performed on thirty diabetic patients as a case group and thirty healthy individuals as a control group. Baseline demographic information, HbA1c level, and duration of diabetes were obtained from all diabetic patients. In all subjects, the ABR and pure-tone audiometry (PTA) tests were performed and the results were analyzed using the t-test and logistic regression.
Results:
The absolute latency of I was significantly lower in diabetes patients. The absolute latency of III and the interpeak latencies (IPL) I-III were significantly higher in diabetic patients. No significant relationship was noticed in the absolute latency of V and the IPL I-V among diabetic patients in the right and left ears (P>0.05).
Conclusion:
The results of this study suggested that diabetes may cause central auditory dysfunction manifested on the absolute latency of III, the IPL I-III and III-V.
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