International survey of bimodal hearing and bilateral cochlear implant service provision for adults

Abstract

Objectives: as cochlear implant (CI) criteria widen, more candidates with usable residual hearing are being considered for a CI. Unlike children, adults mostly receive only one implant. The aim of this survey was to determine bimodal-hearing and bilateral CI service provision for adults around the world. This survey offers the backdrop against which future clinical practice and service delivery can be considered.

Methods: CI professionals from across the world were invited to participate in an international multicentre survey. The online questionnaire was circulated to CI professionals in 75 countries. There were 64 respondents, representing 25 countries across five world regions.

Results: in this sample, adult CI users most had unilateral CI (74.5%) and only 25.5% were bilateral CI users. Some 54% of unilateral CI users used a hearing aid (HA) in the non-implanted ear. Funding for a second implant or HA was not well supported for adult unilateral CI users, and there was no clear practice guidance for fitting and maintaining the contralateral HA in most regions.

Conclusions: CI professionals recognised the value of fitting contralateral HAs at CI services, with audiology departments and private HA dispensers playing an ongoing role in general maintenance and support.

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Identifiers

ORCID for Manal Alfakhri: orcid.org/0000-0003-1837-4863

ORCID for Nicole Campbell: orcid.org/0000-0001-6895-5434

ORCID for Ben Lineton: orcid.org/0000-0003-4784-7762

ORCID for Daniel Rowan: orcid.org/0000-0002-7190-9997

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