Electrophysiological characteristics of chronic alcoholic myopathy
- VernacularTitle:慢性酒精中毒性肌病的电生理表现
- Author:
Jian ZHENG
;
Yong LIU
;
Daohong XIAO
;
Yongqin ZOU
;
- Publication Type:Journal Article
- Keywords:
alcohol toxication;
skeletal muscle;
nerve;
electromyography;
nerve conduction velocity;
evoked potential
- From:Journal of Third Military Medical University
2003;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the electrophysiological characteristics of chronic alcoholic myopathy. Methods Muscle fiber conduction velocity, peripheral nerve conduction velocity, and induced potentials in 26 patients with chronic alcoholic myopathy, 13 patients with chronic alcoholic peripheral neuropathy, 21 patients with chronic alcoholic neuromuscular damage, and 20 normal subjects were detected by electromyography and single fiber electromyography. Results Electromyography revealed myogenic changes in 9 cases in the myopathy group, neurogenic changes in 7 cases in the peripheral neuropathy group, and both kind of changes in 4 cases in the neuromuscular damage group. Compared with the normal subjects, neuromuscular jitter and fiber density increased in all patients ( P 0.05). Slowed sensory nerve conduction velocity was found in 28 patients (82.35%) with peripheral neuropathy or neuromuscular damage. Conclusion Electromyography and determination of nerve conduction velocity can be used to differentiate the alcoholic myopathy from peripheral neuropathy. The abnormal muscle fiber conduction velocity can be helpful for the confirmation of myopathy.
