Refined anatomy-based fitting reduces interaural place mismatch and improves speech outcomes, with preliminary evidence for reduced listening effort

This study proposes a refined approach to anatomy-based fitting (rfABF) that aims to reduce interaural place mismatch in bilateral cochlear implant (CI) users with asymmetric electrode array insertions between ears, a condition frequently associated with incomplete cochlear coverage.

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Anatomy-based fitting for bilateral cochlear implant users to reduce interaural place mismatch is a promising approach with preliminary positive speech outcome data — cochlear implant audiologists should monitor this line of research, but wider adoption requires larger controlled trials.

Interaural place mismatch is a significant barrier to binaural hearing benefits in bilateral cochlear implant users, and anatomy-guided fitting strategies could represent a clinically meaningful improvement in programming practice.

1. 01Refined anatomy-based fitting aims to reduce interaural place mismatch in bilateral cochlear implant users.
2. 02Improved speech outcomes reported compared to standard fitting approaches.
3. 03Preliminary evidence suggests reduced listening effort with the new fitting method.
4. 04Approach is individualized based on each patient's inner-ear (cochlear) anatomy.
5. 05Study is preliminary — larger controlled trials are needed to confirm findings.

PMID

42932313

DOI

10.1371/journal.pone.0361044.

Journal

PLOS ONE

Publication type

research_article

Evidence level

4

Population

Bilateral cochlear implant users

Intervention

Refined anatomy-based cochlear implant fitting to reduce interaural place mismatch

Comparator

Standard cochlear implant fitting approach