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Facial nerve monitoring in skull base surgery

Published online by Cambridge University Press:  29 June 2007

Giuseppe Magliulo ,
Roberto Petti ,
Gianluca Maria Vingolo ,
Piera Cristofari  and
Roberta Ronzoni
Giuseppe Magliulo*
Affiliation:
Fourth ENT Clinic, University ‘La Sapienza ’ Rome, Italy.
Roberto Petti
Affiliation:
Fourth ENT Clinic, University ‘La Sapienza ’ Rome, Italy.
Gianluca Maria Vingolo
Affiliation:
Fourth ENT Clinic, University ‘La Sapienza ’ Rome, Italy.
Piera Cristofari
Affiliation:
Fourth ENT Clinic, University ‘La Sapienza ’ Rome, Italy.
Roberta Ronzoni
Affiliation:
Fourth ENT Clinic, University ‘La Sapienza ’ Rome, Italy.
*
Giuseppe Magliulo, M.D.,Via Ormisda 10, 00165 Roma, Italy.
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Abstract

The purpose of this work was to compare pre- and post-operative facial nerve function between unmonitored and monitored cases of skull base lesions. The study involved 32 patients suffering from lateral skull base tumours (10 unmonitored and 22 monitored). Facial nerve function was monitored intraoperatively by an acoustic facial electromyographic system (NIM-2). Post-operative facial function was graded according to the House-Brackmann scale. In the group of monitored cases, facial nerve function was normal (Grade 1 or 2) in 79 per cent of the patients, while the unmonitored patients showed normal function in only 50 per cent of the cases.

These results confirm previous observations that audible evoked electromyographic monitoring significantly reduces permanent facial nerve dysfunction.

Keywords

Skull baseelectromyographyfacial nerve
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 108 , Issue 7 , July 1994 , pp. 557 - 559
Copyright
Copyright © JLO (1984) Limited 1994

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