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Current perception threshold and sympathetic skin response in diabetic and alcoholic polyneuropathies
Minoru Oishi1, Yoko Mochizuki, Yutaka Suzuki
1Department of Neurology, Nihon University School of Medicine, Tokyo.
Objective:
Correlation between current perception threshold and sympathetic skin response was investigated in patients with diabetic or alcoholic polyneuropathy.
Methods:
Current perception threshold was measured using Neurometer CPT/C, and the sympathetic skin response was measured using Neuropack sigma.
Patients:
Fourteen patients with diabetic polyneuropathy and 10 patients with alcoholic polyneuropathy were studied.
Results:
There was a significant negative correlation between the current perception threshold to 5 Hz stimulation and the amplitude of sympathetic skin response.
Conclusion:
Since both current perception threshold to 5 Hz stimulation and sympathetic skin response are related to C fibers, these two are considered to be impaired concurrently in diabetic and alcoholic polyneuropathies.