Outcome prediction for Bonebridge candidates based on audiological indication criteria.

Wimmer, Wilhelm; Von Werdt, Moritz; Mantokoudis, Georgios; Anschütz, Lukas Peter; Kompis, Martin; Caversaccio, Marco (2019). Outcome prediction for Bonebridge candidates based on audiological indication criteria. (In Press). Auris, nasus, larynx Elsevier 10.1016/j.anl.2018.12.012

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OBJECTIVE To re-evaluate current indication criteria and to estimate the audiological outcomes of patients with Bonebridge bone conduction implants based on preoperative bone conduction thresholds. METHODS We assessed the outcome of 28 subjects with either conductive or mixed hearing loss (CMHL) or single-sided deafness (SSD) who were undergoing a Bonebridge implantation. We used linear regression to evaluate the influence of preoperative bone conduction thresholds of the better/poorer ear, indication group, and language (German- and French-speaking patients) on aided sound field thresholds. In addition, aided word recognition scores at 65dB sound pressure level were fit with a logistic model that included preoperative bone conduction thresholds of the better/poorer ear, indication group, and language as effects. RESULTS We found that both aided sound field thresholds and word recognition were correlated with the preoperative bone conduction thresholds of the better hearing ear. No correlation between audiological outcomes and the preoperative bone conduction thresholds of the poorer ear, language, or indication group was found. CONCLUSION Bone conduction thresholds of the better hearing ear should be used to estimate the outcome of patients undergoing Bonebridge implantation. We suggest the indication criteria for Bonebridge candidates considering maximal bone conduction thresholds of the better ear at 38dB HL to achieve an aided sound field threshold of at least 30dB hearing level and an aided word recognition score of at least 75% for monosyllabic words.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ear, Nose and Throat Disorders (ENT)
10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Image Guided Therapy > ARTORG Center - Artificial Hearing Research

UniBE Contributor:

Wimmer, Wilhelm; Von Werdt, Moritz; Mantokoudis, Georgios; Anschütz, Lukas Peter; Kompis, Martin and Caversaccio, Marco

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1879-1476

Publisher:

Elsevier

Language:

English

Submitter:

Wilhelm Wimmer

Date Deposited:

05 Feb 2019 13:38

Last Modified:

05 Feb 2019 13:46

Publisher DOI:

10.1016/j.anl.2018.12.012

PubMed ID:

30635142

Uncontrolled Keywords:

Bone anchored hearing aid Bone conduction device Conductive hearing loss Floating mass transducer Generalized linear model Mixed hearing loss Multi-language comparison Single-sided deafness

BORIS DOI:

10.7892/boris.123717

URI:

https://boris.unibe.ch/id/eprint/123717

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