The impact of continuous electrophysiological monitoring on preservation of the facial nerve during acoustic tumour surgery
作者:
JellinekDavid A.,
TanLeong C.,
SymonLindsay,
期刊:
British Journal of Neurosurgery
(Taylor Available online 1991)
卷期:
Volume 5,
issue 1
页码: 19-24
ISSN:0268-8697
年代: 1991
DOI:10.3109/02688699108998442
出版商: Taylor&Francis
关键词: Acoustic neuroma;facial nerve preservation;continuous electrophysiological monitoring
数据来源: Taylor
摘要:
Continuous electromyographic (EMG) activity and responses to electrical stimulation of the facial nerve were monitored intraoperatively in 35 patients undergoing primary removal of acoustic neuroma. The rate of anatomical and immediate functional preservation of the facial nerve of these patients was compared with a matched population where a facial nerve stimulator and monitoring of facial muscle contraction by the anaesthetist only was employed. Overall, 94% (n = 33) of facial nerves were preserved anatomically in patients with continuous EMG monitoring, compared with 64% (n = 89) of patients (n = 139) without continuous monitoring. Amongst the 33 cases with anatomical facial nerve preservation, 64% (n = 21) had immediate functional preservation. Immediate functional preservation was only achieved in 39% (n = 35) of anatomically preserved facial nerves (n = 89) where conventional monitoring was used.
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