Self-reported benefits from successive bilateral cochlear implantation in post-lingually deafened adults: randomised controlled trial. Beneficios auto-reportados en la implantación coclear bilateral consecutiva en adultos ensordecidos postlingüísticos: prueba aleatoria controlada
Summerfield, A. Quentin, Barton, G.R., Toner, J., McAnallen, C., Proops, D., Harries, C., Cooper, H., Court, I., Gray, R., Osborne, J., Doran, M., Ramsden, R., Mawman, D., O'Driscoll, M., Graham, J., Aleksy, W., Meerton, L., Verschure, C., Ashcroft, P. and Pringle, M. (2006) Self-reported benefits from successive bilateral cochlear implantation in post-lingually deafened adults: randomised controlled trial. Beneficios auto-reportados en la implantación coclear bilateral consecutiva en adultos ensordecidos postlingüísticos: prueba aleatoria controlada. International Journal of Audiology, 45, (Supplement 1), 99-107. (doi:10.1080/14992020600783079).
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Adult users of unilateral Nucleus CI24 cochlear implants with the SPEAK processing strategy were randomised either to receive a second identical implant in the contralateral ear immediately, or to wait 12 months while they acted as controls for late-emerging benefits of the first implant. Twenty four subjects, twelve from each group, completed the study. Receipt of a second implant led to improvements in self-reported abilities in spatial hearing, quality of hearing, and hearing for speech, but to generally non-significant changes in measures of quality of life. Multivariate analyses showed that positive changes in quality of life were associated with improvements in hearing, but were offset by negative changes associated with worsening tinnitus. Even in a best-case scenario, in which no worsening of tinnitus was assumed to occur, the gain in quality of life was too small to achieve an acceptable cost-effectiveness ratio. The most promising strategies for improving the cost-effectiveness of bilateral implantation are to increase effectiveness through enhanced signal processing in binaural processors, and to reduce the cost of implant hardware.
|Keywords:||bilateral implantation, cochlear implantation, effectiveness, cost-effectiveness|
|Subjects:||T Technology > TS Manufactures
R Medicine > RF Otorhinolaryngology
T Technology > TA Engineering (General). Civil engineering (General)
|Divisions:||University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Human Sciences
|Date Deposited:||24 Jan 2007|
|Last Modified:||27 Mar 2014 18:28|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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