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Simultaneous cochlear implantation and removal of acoustic neuroma: implications for hearing

Published online by Cambridge University Press:  17 June 2020

S Roberts ,
B Levin ,
H Sanli ,
R Ferch ,
K Kong  and
R Eisenberg
S Roberts*
Affiliation:
Department of ENT/Head and Neck Surgery, John Hunter Hospital, Newcastle, Australia Department of ENT/Head and Neck Surgery, University of Newcastle, Australia
B Levin
Affiliation:
ENT Clinics Sydney, Australia
H Sanli
Affiliation:
Department of ENT/Head and Neck Surgery, Royal Prince Alfred Hospital, Camperdown, Australia
R Ferch
Affiliation:
Department of Neurosurgery, John Hunter Hospital, Newcastle, Australia
K Kong
Affiliation:
Department of ENT/Head and Neck Surgery, John Hunter Hospital, Newcastle, Australia University of New South Wales Rural Clinical School, Wagga Wagga, Australia
R Eisenberg
Affiliation:
Department of ENT/Head and Neck Surgery, John Hunter Hospital, Newcastle, Australia
*
Author for correspondence: Dr Samuel Roberts, Department of ENT/Head and Neck Surgery, John Hunter Hospital, Newcastle, NSW 2305, Australia E-mail: samueltomroberts@gmail.com
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Abstract

Objective

To present our data evaluating the feasibility of simultaneous cochlear implantation with resection of acoustic neuroma.

Methods

This paper describes a case series of eight adult patients with a radiologically suspected acoustic neuroma, treated at a tertiary referral centre in Newcastle, Australia, between 2012 and 2015. Patients underwent cochlear implantation concurrently with removal of an acoustic neuroma. The approach was translabyrinthine, with facial nerve monitoring and electrically evoked auditory brainstem response testing. Standard post-implant rehabilitation was employed, with three and six months’ follow-up data collected. The main outcome measures were: hearing, subjective benefit of implant, operative complications and tumour recurrence.

Results

Eight patients underwent simultaneous cochlear implantation with resection of acoustic neuroma over a 3-year period, and had 25–63 months’ follow up. There were no major complications. All patients except one gained usable hearing and were daily implant users.

Conclusion

Simultaneous cochlear implantation with resection of acoustic neuroma has been shown to be a safe treatment option, which will be applicable in a wide range of clinical scenarios as the indications for cochlear implantation continue to expand.

Keywords

Acoustic NeuromaCochlear ImplantsIntraoperative MonitoringCochlear NerveDeafness
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 134 , Issue 6 , June 2020 , pp. 519 - 525
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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Footnotes

Dr S Roberts takes responsibility for the integrity of the content of the paper

Preliminary results of this paper were presented at: the Australian Society of Otolaryngology, Head and Neck Surgery meeting, 29 March – 3 April 2014, Sydney, Australia; the 7th International Conference on Acoustic Neuroma, 12 – 15 April 2015, Shanghai, China; and the Asia Pacific Symposium on Cochlear Implants and Related Sciences, 30 April – 3 May 2015, Beijing, China.

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