Treffer: Binaural performance in 155 adults with single-sided or asymmetric profound hearing loss: A STROBE analysis.

Title:
Binaural performance in 155 adults with single-sided or asymmetric profound hearing loss: A STROBE analysis.
Authors:
Marx M; Service d'Otologie, Otoneurologie et ORL Pédiatrique, Hôpital Pierre-Paul Riquet, CHU de Toulouse Purpan, Toulouse, France; Brain & Cognition Research Centre, UMR 5549, Université Toulouse III, Toulouse, France. Electronic address: marx.m@chu-toulouse.fr., Taoui S; Service d'Otologie, Otoneurologie et ORL Pédiatrique, Hôpital Pierre-Paul Riquet, CHU de Toulouse Purpan, Toulouse, France., Mosnier I; Unité Fonctionnelle Implants Auditifs, ORL, GH Pitié-Salpêtrière, AP-HP Sorbonne Université, Paris, France; Technologies et Thérapie Génique pour la Surdité, Institut de l'Audition, Institut Pasteur/Inserm/Université Paris Cité, Paris, France., Venail F; Service d'ORL, Hôpital Gui-de-Chauliac, CHU de Montpellier, Montpellier, France., Mondain M; Service d'ORL, Hôpital Gui-de-Chauliac, CHU de Montpellier, Montpellier, France., Uziel A; Service d'ORL, Hôpital Gui-de-Chauliac, CHU de Montpellier, Montpellier, France., Bakhos D; Service d'ORL, Hôpital Bretonneau, CHU de Tours, Tours, France., Lescanne E; Service d'ORL, Hôpital Bretonneau, CHU de Tours, Tours, France., NGuyen Y; Unité Fonctionnelle Implants Auditifs, ORL, GH Pitié-Salpêtrière, AP-HP Sorbonne Université, Paris, France; Technologies et Thérapie Génique pour la Surdité, Institut de l'Audition, Institut Pasteur/Inserm/Université Paris Cité, Paris, France., Bernardeschi D; Unité Fonctionnelle Implants Auditifs, ORL, GH Pitié-Salpêtrière, AP-HP Sorbonne Université, Paris, France; Technologies et Thérapie Génique pour la Surdité, Institut de l'Audition, Institut Pasteur/Inserm/Université Paris Cité, Paris, France., Sterkers O; Unité Fonctionnelle Implants Auditifs, ORL, GH Pitié-Salpêtrière, AP-HP Sorbonne Université, Paris, France; Technologies et Thérapie Génique pour la Surdité, Institut de l'Audition, Institut Pasteur/Inserm/Université Paris Cité, Paris, France., Godey B; Service d'ORL, Hôpital Pontchaillou, CHU de Rennes, Rennes, France., Creff G; Service d'ORL, Hôpital Pontchaillou, CHU de Rennes, Rennes, France., Schmerber S; Service d'ORL, CHU de Grenoble, Grenoble, France., Bonne NX; Université Lille, Inserm, CHU de Lille, Service d'ORL, U1192-PRISM, Lille, France., Vincent C; Service d'ORL, Hôpital Salengro, CHU de Lille, Lille, France., Fraysse B; Service d'Otologie, Otoneurologie et ORL Pédiatrique, Hôpital Pierre-Paul Riquet, CHU de Toulouse Purpan, Toulouse, France., Deguine O; Service d'Otologie, Otoneurologie et ORL Pédiatrique, Hôpital Pierre-Paul Riquet, CHU de Toulouse Purpan, Toulouse, France; Brain & Cognition Research Centre, UMR 5549, Université Toulouse III, Toulouse, France., Lepage B; Unité de Soutien Méthodologique à la Recherche, Faculté de Santé, Université Toulouse III, Toulouse, France.
Source:
European annals of otorhinolaryngology, head and neck diseases [Eur Ann Otorhinolaryngol Head Neck Dis] 2025 Nov; Vol. 142 (6), pp. 301-305. Date of Electronic Publication: 2025 Jun 20.
Publication Type:
Journal Article; Multicenter Study; Observational Study
Language:
English
Journal Info:
Publisher: Elsevier Masson SAS Country of Publication: France NLM ID: 101531465 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-730X (Electronic) Linking ISSN: 18797296 NLM ISO Abbreviation: Eur Ann Otorhinolaryngol Head Neck Dis Subsets: MEDLINE
Imprint Name(s):
Original Publication: [Issy les Moulineaux] : Elsevier Masson SAS
Contributed Indexing:
Keywords: Asymmetric profound hearing loss; Single-sided profound hearing loss; Sound localization; Speech reception in noise
Entry Date(s):
Date Created: 20250621 Date Completed: 20251112 Latest Revision: 20251211
Update Code:
20251212
DOI:
10.1016/j.anorl.2025.06.004
PMID:
40544031
Database:
MEDLINE

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Objectives: To estimate the proportion of subjects with single-sided or asymmetric profound hearing loss who achieve normal binaural performance, and to identify their specific demographic and audiological characteristics.
Material and Methods: A French nationwide multicenter cross-sectional study included 155 subjects with single-sided or asymmetric profound hearing loss between 2014 and 2018. Speech-in-noise reception was assessed on the FraMatrix test in diotic, dichotic and reverse dichotic conditions to determine the signal-to-noise ratio allowing 50% correct reception. Sound localization was evaluated using a 180° 7-speaker horizontal array around the subject, to measure the root mean square error. The article was written following STROBE guidelines.
Results: Nineteen of the 155 subjects with single-sided (n=104) or asymmetric profound hearing loss (n=51) achieved normal scores for diotic speech reception in noise (i.e., critical signal-to-noise ratio better than -4.8dB), and 9 subjects (7.1%) had normal sound localization (i.e.,<30° error). In the 44 subjects (28.4%) with normal or near-normal diotic signal-to-noise ratio (better than -3dB), had significantly better hearing thresholds in the better ear, and notably for high frequencies between 2 and 4kHz.
Conclusion: In this cross-sectional study, 7.1% to almost 30% of subjects with single-sided or asymmetric profound hearing loss showed normal or near-normal binaural performance. Their main distinguishing audiological feature was better hearing thresholds in the better ear, which suggests compensatory strategies based on monaural spectral cues.
(Copyright © 2025. Published by Elsevier Masson SAS.)

Disclosure of interest The authors declare that they have no competing interest.