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Delayed brainstem auditory evoked responses in diabetic patients.
N Buller1, Y Shvili, N Laurian
1Department of Otolaryngology, Golda Medical Center, Hasharon Hospital, Petah-Tiqva, Israel.
The Journal of Laryngology and Otology
|October 1, 1988
Summary
Subclinical diabetic neuropathy affects central neural pathways. Brainstem auditory evoked responses (BAER) revealed abnormalities in 62% of insulin-treated diabetics, indicating early nerve dysfunction.
Area of Science:
- Neurology
- Diabetology
- Neurophysiology
Background:
- Subclinical central diabetic neuropathy is difficult to detect.
- Early identification of neural pathway alterations is crucial for diabetic management.
Purpose of the Study:
- To evaluate central neuroconductive mechanisms in diabetic patients using brainstem auditory evoked responses (BAER).
- To assess the incidence and characteristics of subclinical neuropathy in diabetes.
Main Methods:
- Brainstem auditory evoked responses (BAER) were recorded in diabetic patients and control subjects.
- Analysis focused on the latency of specific peaks (I, III, V) in the BAER waveform.
Main Results:
- Diabetics exhibited increased latencies for peaks I, III, and V compared to controls.
- BAER abnormalities were present in 62% of insulin-controlled diabetics and 33% of those on diet or oral medication.
- No BAER alterations were found in patients with latent diabetes.
Conclusions:
- BAER can detect subclinical central nervous system alterations in diabetes.
- Neuropathy affects central neural pathways even before clinical manifestation.
- Early detection of diabetic neuropathy may be possible through neurophysiological assessments.