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      Two Bonebridge bone conduction hearing implant generations: audiological benefit and quality of hearing in children


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          The study aimed to evaluate audiological benefits, quality of hearing and safety of two Bonebridge generation: BCI601 and BCI602 (MED-EL, Innsbruck, Austria) in children.


          Twelve children were implanted: five BCI601 and seven BCI602 comprising of ten conductive hearing loss, and two single sided deaf SSD subjects. Audiological outcomes tested were sound field audiometry, functional gain, speech recognition threshold (SRT50), speech recognition in noise (SPRINT) and localisation abilities. Subjective measures were Speech, Spatial and Qualities of Hearing Scale (SSQ12).


          The mean FG with the BCI601 was 25.0 dB and with the BCI602 28.0 dB. The benefit in SRT50 was 23.2 dB and 33.8 dB, respectively. The mean benefit in SPRINT was 15% and 6.7% and the localisation ability improved from 33.3° to 16° and from 26.2° to 17.6°, respectively. The two SSD subjects reported a FG of 17 dB, a benefit in SRT50 of 22.5 and a benefit in SPRINT of 20%. Subjective outcomes improved significantly and even exceeded the values of their age-and sex matched normal hearing peers. One revision was reported: a retroauricular emphysema above the implant occurred 12 months post-OP, it was resolved operatively with the implant still being functional.


          The pediatric cohort reports significant audiological benefit, even exceeding that of the age- and sex matched control. The combination of the high safety and audiological benefit makes the Bonebridge a comfortable and effective option in hearing rehabilitation in children.

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          Most cited references40

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          Critical period regulation.

          Neuronal circuits are shaped by experience during critical periods of early postnatal life. The ability to control the timing, duration, and closure of these heightened levels of brain plasticity has recently become experimentally accessible, especially in the developing visual system. This review summarizes our current understanding of known critical periods across several systems and species. It delineates a number of emerging principles: functional competition between inputs, role for electrical activity, structural consolidation, regulation by experience (not simply age), special role for inhibition in the CNS, potent influence of attention and motivation, unique timing and duration, as well as use of distinct molecular mechanisms across brain regions and the potential for reactivation in adulthood. A deeper understanding of critical periods will open new avenues to "nurture the brain"-from international efforts to link brain science and education to improving recovery from injury and devising new strategies for therapy and lifelong learning.
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            Is Open Access

            The Speech, Spatial and Qualities of Hearing Scale (SSQ)

            The Speech, Spatial and Qualities of Hearing Scale (SSQ) is designed to measure a range of hearing disabilities across several domains. Particular attention is given to hearing speech in a variety of competing contexts, and to the directional, distance and movement components of spatial hearing. In addition, the abilities both to segregate sounds and to attend to simultaneous speech streams are assessed, reflecting the reality of hearing in the everyday world. Qualities of hearing experience include ease of listening, and the naturalness, clarity and identifiability of different speakers, different musical pieces and instruments, and different everyday sounds. Application of the SSQ to 153 new clinic clients prior to hearing aid fitting showed that the greatest difficulty was experienced with simultaneous speech streams, ease of listening, listening in groups and in noise, and judging distance and movement. SSQ ratings were compared with an independent measure of handicap. After differences in hearing level were controlled for, it was found that identification, attention and effort problems, as well as spatial hearing problems, feature prominently in the disability–handicap relationship, along with certain features of speech hearing. The results implicate aspects of temporal and spatial dynamics of hearing disability in the experience of handicap. The SSQ shows promise as an instrument for evaluating interventions of various kinds, particularly (but not exclusively) those that implicate binaural function.
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              Long-term Communication Outcomes for Children Receiving Cochlear Implants Younger Than 12 Months: A Multicenter Study.

              Examine the influence of age at implant on speech perception, language, and speech production outcomes in a large unselected paediatric cohort.

                Author and article information

                Eur Arch Otorhinolaryngol
                Eur Arch Otorhinolaryngol
                European Archives of Oto-Rhino-Laryngology
                Springer Berlin Heidelberg (Berlin/Heidelberg )
                8 September 2021
                8 September 2021
                : 279
                : 7
                : 3387-3398
                [1 ]GRID grid.412554.3, ISNI 0000 0004 0609 2751, Department of Pediatric Otorhinolaryngology, , University Hospital Brno, ; Černopolní 9, 61300 Brno, Czech Republic
                [2 ]GRID grid.10267.32, ISNI 0000 0001 2194 0956, Faculty of Medicine, , Masaryk University Brno, ; Kamenice 5, 62500 Brno, Czech Republic
                [3 ]GRID grid.440850.d, ISNI 0000 0000 9643 2828, Nanotechnology Centre, CEET, VSB-Technical University of Ostrava, ; 708 00 Ostrava-Poruba, Czech Republic
                [4 ]GRID grid.440850.d, ISNI 0000 0000 9643 2828, Centre ENET, CEET, VSB-Technical University of Ostrava, ; 708 00 Ostrava-Poruba, Czech Republic
                [5 ]GRID grid.412554.3, ISNI 0000 0004 0609 2751, Department of Pediatrics, , University Hospital Brno, ; 61300 Brno, Czech Republic
                © The Author(s) 2021

                Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

                Funded by: FundRef http://dx.doi.org/10.13039/501100010653, Masarykova Univerzita;
                Award ID: MUNI/A/1118/2020
                Award Recipient :
                Funded by: FundRef http://dx.doi.org/10.13039/501100003243, Ministerstvo Zdravotnictví Ceské Republiky;
                Award ID: FNBr
                Award ID: 65269705
                Award Recipient :
                Funded by: FundRef http://dx.doi.org/10.13039/501100001823, Ministerstvo Školství, Mládeže a Tělovýchovy;
                Award ID: CZ.02.1.01/0.0/0.0/16_019/0000753
                Award Recipient :
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                © Springer-Verlag GmbH Germany, part of Springer Nature 2022

                active transcutaneous bone conduction implant,children,quality of life,atresia,localisation,hearing outcomes


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