Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery · 2025
Surgical Site Comparison of Two Active Implantable Transcutaneous Bone Conduction Hearing Aid Generations.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Loader Benjamin, Stohlawetz Hana, Sterrer Elisabeth, Kiryakova Niya, Windisch Franz, Franz Peter
Аннотация
OBJECTIVE: To evaluate the surgical placement options, complication rates and audiological outcomes with two generations of a transcutaneous active bone conduction implant.
DESIGN AND SETTING: This retrospective chart review analysed all BCI601 and BCI602 implant surgeries performed in the period from March 2015 to April 2023 at a single centre. Surgical site of implantation, complication data and audiological outcomes including functional gain and speech performance in quiet were assessed.
RESULTS: Fifty surgical cases were extracted and analysed (BCI601 = 24, BCI602 = 26). The 4-PTA improved by 24.3 dB on average; speech in quiet improved by 33.9% at 65 dB SPL and by 34.8% at 80 dB SPL between aided and unaided conditions overall. The BCI602 had significantly better word recognition scores at 80 dB than the BCI601 (p = 0.0076). One case of wound revision and two explanations have been recorded during the observation period. The use of lifts was significantly reduced with the smaller BCI602 implant.
CONCLUSION: While the newer BCI602 variant of the implant provides more placement options due to the reduced drilling depth compared to the BCI601, both versions provide a low postoperative risk of complications and significant functional outcomes.
DESIGN AND SETTING: This retrospective chart review analysed all BCI601 and BCI602 implant surgeries performed in the period from March 2015 to April 2023 at a single centre. Surgical site of implantation, complication data and audiological outcomes including functional gain and speech performance in quiet were assessed.
RESULTS: Fifty surgical cases were extracted and analysed (BCI601 = 24, BCI602 = 26). The 4-PTA improved by 24.3 dB on average; speech in quiet improved by 33.9% at 65 dB SPL and by 34.8% at 80 dB SPL between aided and unaided conditions overall. The BCI602 had significantly better word recognition scores at 80 dB than the BCI601 (p = 0.0076). One case of wound revision and two explanations have been recorded during the observation period. The use of lifts was significantly reduced with the smaller BCI602 implant.
CONCLUSION: While the newer BCI602 variant of the implant provides more placement options due to the reduced drilling depth compared to the BCI601, both versions provide a low postoperative risk of complications and significant functional outcomes.