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Electrophysiological characteristics in patients with early Guillain-Barré syndrome / 中华神经科杂志
Chinese Journal of Neurology ; (12): 735-738, 2011.
Artigo em Chinês | WPRIM | ID: wpr-420118
ABSTRACT
Objective To analyze the characteristics of the F waves,H-reflex and nerve conductions and its diagnostic value in the patients with Guillain-Barré syndrome(GBS)onset within 4 weeks.Methods The electrophysiological data of the 40 patients with GBS were analyzed retrospectively.These patients were divided into 2 groups according to the duration of illness including in 2 week' s group and over 2 week' s group.The results of the F waves,H-reflex,the motor nerve conduction velocity (MCV),and the sensory nerve conduction velocity(SCV)of these patients were analyzed.Results The abnormality rate of the F waves was 17/20 and 7/18 respectively in less 2 week' s group and over 2 week' s.The H-reflexes were 13/20 and 12/19.The MCV was 28.4%(25/88)and 32.9%(26/79).The distal motor latency was 40.9%(36/88)and 36.7%(29/79).The compound muscle action potential amplitude was 35.2%(31/88)and 32.9%(26/79)respectively in these two groups.The abnormality rate of the SCV was 11.2%(10/89)and 25.2%(24/95)respectively in the two groups.The higher abnormality rate of these tests was the F waves and H-reflex in both the groups.The abnormality rates of the F waves(x2 =8.657,P =0.003)and SCV(x2 =6.002,P =0.014)were significantly different between the two groups.There were no significant differences in the other tests.Conclusion The electrophysiological tests are valuable in the diagnosis of GBS.The F waves and H-reflex are more significant for early diagnosis of GBS.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo de rastreamento Idioma: Chinês Revista: Chinese Journal of Neurology Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo de rastreamento Idioma: Chinês Revista: Chinese Journal of Neurology Ano de publicação: 2011 Tipo de documento: Artigo