Binaural cochlear implants placed during the same operation

Bruce J. Gantz, Richard S. Tyler, Jay T. Rubinstein, Abigail Wolaver, Mary Lowder, Paul Abbas, Carolyn Brown, Michelle Hughes, John P. Preece

Research output: Contribution to journalArticle

123 Citations (Scopus)

Abstract

Objective: To evaluate the binaural listening advantages for speech in quiet and in noise and to localize sound when independently programmed binaural cochlear implants are used, and to determine whether ears with different hearing ability and duration of profound deafness perform differently with cochlear implants as well as to what extent preimplant psychophysical and physiologic assessment could be predictive of performance. Study Design: Prospective study in which patients were prospectively selected to undergo bilateral implantation during a single surgical procedure at a tertiary referral center. All testing was performed with patients using their right, left, or both cochlear implants. Preimplant and intraoperative measures used electrical stimulation at the round window and stimulation through the cochlear implant. Results: Bilateral implantation during the same operation did not cause any postoperative problems such as severe vertigo or ataxia. At 1 year, results of speech testing in quiet demonstrated a binaural advantage for 2 of 10 subjects. Speech-in-noise testing demonstrated that two implants were beneficial for two individuals. All subjects benefited from a head shadow effect when an ear with a better signal-to-noise ratio was available. The ability to localize sound was improved with binaural implants in all subjects. Preimplant psychophysical or physiologic measures were not predictive of eventual speech perception performance. Conclusion: Binaural cochlear implants can assist in the localization of sounds and have the potential in some individuals to improve speech understanding in quiet and in noise.

Original languageEnglish (US)
Pages (from-to)169-180
Number of pages12
JournalOtology and Neurotology
Volume23
Issue number2
DOIs
StatePublished - Jan 1 2002

Fingerprint

Cochlear Implants
Noise
Aptitude
Ear
Sound Localization
Speech Perception
Vertigo
Signal-To-Noise Ratio
Deafness
Ataxia
Tertiary Care Centers
Electric Stimulation
Hearing
Head
Prospective Studies

Keywords

  • Adults
  • Bilateral cochlear implants
  • Cochlear implants
  • Postlingual deafness
  • Profound deafness
  • Sound localization
  • Speech in noise

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Sensory Systems
  • Clinical Neurology

Cite this

Gantz, B. J., Tyler, R. S., Rubinstein, J. T., Wolaver, A., Lowder, M., Abbas, P., ... Preece, J. P. (2002). Binaural cochlear implants placed during the same operation. Otology and Neurotology, 23(2), 169-180. https://doi.org/10.1097/00129492-200203000-00012

Binaural cochlear implants placed during the same operation. / Gantz, Bruce J.; Tyler, Richard S.; Rubinstein, Jay T.; Wolaver, Abigail; Lowder, Mary; Abbas, Paul; Brown, Carolyn; Hughes, Michelle; Preece, John P.

In: Otology and Neurotology, Vol. 23, No. 2, 01.01.2002, p. 169-180.

Research output: Contribution to journalArticle

Gantz, BJ, Tyler, RS, Rubinstein, JT, Wolaver, A, Lowder, M, Abbas, P, Brown, C, Hughes, M & Preece, JP 2002, 'Binaural cochlear implants placed during the same operation', Otology and Neurotology, vol. 23, no. 2, pp. 169-180. https://doi.org/10.1097/00129492-200203000-00012
Gantz BJ, Tyler RS, Rubinstein JT, Wolaver A, Lowder M, Abbas P et al. Binaural cochlear implants placed during the same operation. Otology and Neurotology. 2002 Jan 1;23(2):169-180. https://doi.org/10.1097/00129492-200203000-00012
Gantz, Bruce J. ; Tyler, Richard S. ; Rubinstein, Jay T. ; Wolaver, Abigail ; Lowder, Mary ; Abbas, Paul ; Brown, Carolyn ; Hughes, Michelle ; Preece, John P. / Binaural cochlear implants placed during the same operation. In: Otology and Neurotology. 2002 ; Vol. 23, No. 2. pp. 169-180.
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