Document Detail

Prognostic value of facial nerve antidromic evoked potentials in bell palsy: a preliminary study.
MedLine Citation:
PMID:  22164176     Owner:  NLM     Status:  In-Data-Review    
To analyze the value of facial nerve antidromic evoked potentials (FNAEPs) in predicting recovery from Bell palsy. Study Design. Retrospective study using electrodiagnostic data and medical chart review. Methods. A series of 46 patients with unilateral Bell palsy treated were included. According to taste test, 26 cases were associated with taste disorder (Group 1) and 20 cases were not (Group 2). Facial function was established clinically by the Stennert system after monthly follow-up. The result was evaluated with clinical recovery rate (CRR) and FNAEP. FNAEPs were recorded at the posterior wall of the external auditory meatus of both sides. Results. Mean CRR of Group 1 and Group 2 was 61.63% and 75.50%. We discovered a statistical difference between two groups and also in the amplitude difference (AD) of FNAEP. Mean ± SD of AD was -6.96% ± 12.66% in patients with excellent result, -27.67% ± 27.70% with good result, and -66.05% ± 31.76% with poor result. Conclusions. FNAEP should be monitored in patients with intratemporal facial palsy at the early stage. FNAEP at posterior wall of external auditory meatus was sensitive to detect signs of taste disorder. There was close relativity between FNAEPs and facial nerve recovery.
Zhang Wenhao; Chen Minjie; Yang Chi; Zhang Weijie
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Publication Detail:
Type:  Journal Article     Date:  2011-11-23
Journal Detail:
Title:  International journal of otolaryngology     Volume:  2012     ISSN:  1687-921X     ISO Abbreviation:  Int J Otolaryngol     Publication Date:  2012  
Date Detail:
Created Date:  2011-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101518366     Medline TA:  Int J Otolaryngol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  960469     Citation Subset:  -    
Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
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