Worldwide trends in bilateral cochlear implantation

Objectives/Hypothesis: The goal of this study is to ascertain worldwide experience with bilateral cochlear implantation (BCI) with regard to patient demographics, trends in provision of BCI to adult and child patient populations, differences and similarities in BCI candidacy criteria, diagnostic req...

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Bibliographic Details
Published in:The Laryngoscope 2010-05, Vol.120 (S2), p.S17-S44
Main Authors: Peters, B. Robert, Wyss, Josephine, Manrique, Manuel
Format: Article
Language:English
Subjects:
Adolescent
Adult
bilateral
Biological and medical sciences
Child
Child, Preschool
Cochlear
Cochlear Implantation - trends
Cochlear Implantation - utilization
Contraindications
Data Collection
Humans
implant
Level of Evidence: 2b
Medical sciences
Motivation
Otorhinolaryngology. Stomatology
Prospective Studies
Retrospective Studies
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Summary:Objectives/Hypothesis: The goal of this study is to ascertain worldwide experience with bilateral cochlear implantation (BCI) with regard to patient demographics, trends in provision of BCI to adult and child patient populations, differences and similarities in BCI candidacy criteria, diagnostic requirements, and treatment approaches among clinicians in high‐volume cochlear implant centers. Study Design: Retrospective/prospective. Methods: An electronic survey consisting of 59 mainly multiple‐choice questions was developed for online completion. It examined the implant experience and clinical opinion of expert cochlear implant (CI) centers worldwide on the indications, motivations, and contraindications for adult and pediatric, simultaneous and sequential BCI candidacy. Centers were chosen to complete the survey based on their known reputation as a center of excellence. Patient demographics were queried for two time periods to elucidate trends: 2006 and prior, and for the year 2007. Results: Seventy‐one percent (25/35) of the CI clinics approached completed the survey. Collectively, these 25 clinics represent experience with approximately 23,200 CI users globally, representing 15% of the total estimated CI population worldwide. The total number of BCI surgeries reflected in their experience (2,880) represents 36% of the estimated number worldwide as of December 2007. Cumulatively to the end of 2007, 70% of all BCI surgeries have occurred in children, with the 3‐ to 10‐year‐old age group having the highest representation (33% of all BCIs), followed in order by adults (30%), children under 3 years of age (26%), and children between 11 and 18 years of age (11%). Seventy‐two percent of all BCI surgeries were performed sequentially (70% of children, 76% of adults). Children
ISSN:0023-852X
1531-4995
DOI:10.1002/lary.20859