European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2022
Long-term outcomes of retrospective case series of middle ear implantation with Vibrant Soundbridge in children with congenital aural atresia.
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Cadre Barbara, Simon François, Célérier Charlotte, Coudert Cyrille, Flament Jonathan, Loundon Natalie, Belhous Kahina, Denoyelle Françoise
Аннотация
PURPOSE: to assess audiological performance in quiet and noise, quality of life and side effects of Vibrant Soundbridge (VSB) in children with congenital aural atresia (CAA).
METHODS: A retrospective study including consecutive patients with unilateral or bilateral CAA implanted with VSB from 2009 to 2020 in a tertiary referral centre.
RESULTS: 18 patients with CAA and a present stapes were included (3 simultaneous bilateral VSB implants) and 21 ears: 17 VSB were attached to the short incus process, and four to the stapes. Age at implantation ranged from 4.7 to 15.8 years. Average follow-up was 6.5 years (± 3.7 years). In unilateral VSB, air conduction pure tone average (ACPTA) thresholds increased from 75.3 ± 15.2 to 32.6 ± 8.3 dB post-operatively (VSB activated) (n = 15; p < 0.01). The speech reception threshold (SRT) and the word recognition score (WRS) were significantly improved from 81.5 ± 10.4 to 43.9 ± 7.6 dB and 0% to 84.8 ± 8.5% postoperatively (n = 15; p < 0.01). The signal to noise ratio (SNR) was significantly improved from 2.1 ± 2.9 dB VSB inactivated to 0.3 ± 2.7 dB VSB activated (n = 15; p < 0.01). There was no significant difference in performance according to floating mass transducer (FMT) placement. 5/15 children were non-users at last follow-up in unilateral VSB and 0/3 in bilateral.
CONCLUSIONS: CAA ears with VSB activated had a significant improvement of ACPTA, WRS, SRT and SNR. A third of patients with unilateral CAA became non-users at last follow-up. The main challenge is to target the indications for the implantation of the VSB to avoid its discontinuation.
METHODS: A retrospective study including consecutive patients with unilateral or bilateral CAA implanted with VSB from 2009 to 2020 in a tertiary referral centre.
RESULTS: 18 patients with CAA and a present stapes were included (3 simultaneous bilateral VSB implants) and 21 ears: 17 VSB were attached to the short incus process, and four to the stapes. Age at implantation ranged from 4.7 to 15.8 years. Average follow-up was 6.5 years (± 3.7 years). In unilateral VSB, air conduction pure tone average (ACPTA) thresholds increased from 75.3 ± 15.2 to 32.6 ± 8.3 dB post-operatively (VSB activated) (n = 15; p < 0.01). The speech reception threshold (SRT) and the word recognition score (WRS) were significantly improved from 81.5 ± 10.4 to 43.9 ± 7.6 dB and 0% to 84.8 ± 8.5% postoperatively (n = 15; p < 0.01). The signal to noise ratio (SNR) was significantly improved from 2.1 ± 2.9 dB VSB inactivated to 0.3 ± 2.7 dB VSB activated (n = 15; p < 0.01). There was no significant difference in performance according to floating mass transducer (FMT) placement. 5/15 children were non-users at last follow-up in unilateral VSB and 0/3 in bilateral.
CONCLUSIONS: CAA ears with VSB activated had a significant improvement of ACPTA, WRS, SRT and SNR. A third of patients with unilateral CAA became non-users at last follow-up. The main challenge is to target the indications for the implantation of the VSB to avoid its discontinuation.