Electromyography: prognosis and evaluation of the efficiency of therapy for Bell's palsy
https://doi.org/10.14412/2074-2711-2011-169
Abstract
The paper presents the results of clinical and electromyographic studies in 182 patients with idiopathic facial neuropathy (BellXs palsy). The most commonly studied parameters of electroneuromyography (ENMG) were compared to determine a good or poor prognosis for recovery. The most sensitive parameters were shown to be nerve excitability threshold in the acutest period (up to 5 days), M-response amplitude fall ratio on the affected and intact sides and reversibility of impaired irritability in the acute period (on days 10 to 14), and muscle denervation changes starting on day 21. The most sensitive ENMG parameters for the evaluation of the efficiency of performed therapy were changes in M-response amplitude and latency. Thus, ENMG can estimate disease prognosis and monitor treatment efficiency.
About the Authors
N. G. Savitskaya
Neurology Research Center, Russian Academy of Medical Sciences
Russian Federation
Moscow
Russian Federation
Moscow
D. S. Yankevich
Neurology Research Center, Russian Academy of Medical Sciences
Russian Federation
Moscow
Russian Federation
Moscow
A. V. Ostafiychuk
Fifth Central Clinical Hospital No.5, Air Forces, Ministry of Defense of the Russian Federation
Russian Federation
Krasnogorsk
Russian Federation
Krasnogorsk
E. V. Pavlov
Neurology Research Center, Russian Academy of Medical Sciences
Russian Federation
Moscow
Russian Federation
Moscow
References
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Review
For citations:
Savitskaya NG, Yankevich DS, Ostafiychuk AV, Pavlov EV. Electromyography: prognosis and evaluation of the efficiency of therapy for Bell's palsy. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2011;3(3):60-64. (In Russ.) https://doi.org/10.14412/2074-2711-2011-169
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