Simultaneous auricular reconstruction and transcutaneous bone conduction device implantation in patients with microtia

Journal of the Formosan Medical Association = Taiwan Yi Zhi
Kai-Chieh ChanZung-Chung Chen

Abstract

The Bonebridge (BB) is a newly designed transcutaneous bone conduction hearing implant. We describe, for the first time, simultaneous BB implantation and different surgical techniques of auricular reconstruction for microtia patients with aural atresia/stenosis. Ten patients with unilateral or bilateral microtia underwent BB implantation combined simultaneously with either total auricular reconstruction using bespoke hand-carved Medpor framework or second stage auricular projection using autologous costal cartilage framework. Auditory aided and unaided sound fields were evaluated using (1) a pure-tone average (PTA4), (2) a speech reception threshold (SRT), and (3) a Speech Discrimination Score (SDS) at a sound level of 65 dB SPL. All patients and their families were satisfied with the aesthetic outcome of their constructed ears with no requests for further revision. No major complications were encountered. One patient developed minor partial skin graft epidermolysis that healed uneventfully, and another patient had a three month period of auditory acclimatization to the BB device that resolved. Postoperatively, the mean aided PTA4 decreased by 35.35 dB, while the SRT was 54.5 dB HL unaided and 28 dB HL with use of a BB sound pr...Continue Reading

Citations

Jun 27, 2021·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·Veronika VolggerJohn Martin Hempel
Aug 24, 2021·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·Julia HundertpfundAttila Ovari

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