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Year : 2013  |  Volume : 17  |  Issue : 6  |  Page : 1018-1023

Changes in brainstem auditory evoked potentials among North Indian females with Type 2 diabetes mellitus

1 Department of Physiology, Government Medical College, Punjab, India
2 Department of Physiology, Gian Sagar Medical College, Ramnagar, Punjab, India
3 Department of Internal Medicine, Government Medical College, Patiala, Punjab, India

Correspondence Address:
Sharat Gupta
House No 849, SST Nagar, Rajpura Road, Patiala, Punjab 147 001
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2230-8210.122616

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Background: Diabetes mellitus is a complex metabolic disorder whose detrimental effects on various organ systems, including the nervous system are well known. Aim: This study was conducted to determine the changes in the brainstem auditory evoked potentials (BAEP) in patients with type 2 diabetes mellitus. Materials and Methods: In this case-control study, 116 females with type 2 diabetes and 100 age matched, healthy female volunteers were selected. The brainstem auditory evoked potentials (BAEP) were recorded with RMS EMG EP Marc-II Channel machine. The measures included latencies of waves I, II, III, IV, V and Interpeak latencies (IPL) I-III, III-V and I-V separately for both ears. Data was analysed statistically with SPSS software v13.0. Results: It was found that IPL I-III was significantly delayed (P = 0.028) only in the right ear, while the latency of wave V and IPL I-V showed a significant delay bilaterally (P values for right ear being 0.021 and 0.0381 respectively while those for left ear being 0.028 and 0.016 respectively), in diabetic females. However, no significant difference (P > 0.05) was found between diabetic and control subjects as regards to the latencies of waves I, II, III, IV and IPL III-V bilaterally and IPL I-III unilaterally in the left ear. Also, none of the BAEP latencies were significantly correlated with either the duration of disease or with fasting blood glucose levels in diabetics. Conclusions: Therefore, it could be concluded that diabetes patients have an early involvement of central auditory pathway, which can be detected quite accurately with the help of auditory evoked potential studies.

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