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Single-Stage Ear Reconstruction Simultaneous With Piezoelectric Osia® Bone Conduction Implantation.
Courtney Leonard1, Michelle Oberoi1, Caitlyn Belza2
1From the Division of Plastic and Oral Surgery, Baylor Scott and White Medical Center - Temple, McLane Children's Hospital, Temple, TX.
Annals of Plastic Surgery
|May 1, 2025
Summary
This study introduces a safe and effective technique for single-stage alloplastic ear reconstruction combined with Cochlear™ Osia® System implantation. The procedure successfully restored hearing and achieved aesthetic results in microtia patients.
Area of Science:
- Craniofacial surgery
- Otolaryngology
- Biomedical engineering
Background:
- Coordinating bone-anchored hearing aid implantation with single-stage, alloplastic ear reconstruction presents challenges.
- Modern piezoelectric stimulation devices like the Cochlear™ Osia® System require specific surgical considerations due to integrated circuitry and size.
- This study addresses the need for a standardized surgical approach for simultaneous ear reconstruction and advanced hearing device implantation.
Purpose of the Study:
- To present a stepwise technique for safe and effective single-stage ear reconstruction with simultaneous Cochlear™ Osia® System implantation.
- To evaluate the surgical outcomes and audiological results of this combined procedure.
- To highlight advancements in hearing restoration technologies and their integration into cranofacial reconstructive surgery.
Main Methods:
- Retrospective analysis of 8 patients undergoing single-stage alloplastic ear reconstruction and Osia implantation.
- Assessment of patient demographics, surgical techniques, including flap utilization (temproparietal fascial flap, occipital fascial flap) and incision types.
- Evaluation of operative time, Osia implant placement duration, and audiological outcomes.
Main Results:
- The study included 8 patients, with a median age of 8 years, mostly presenting with grade 3 microtia.
- Temproparietal fascial flaps were used in 7 cases for ear coverage; pericranium was preserved for Osia implant coverage.
- Average total surgery time was 9.3 hours; Osia placement averaged 53 minutes. All implants provided functional hearing with no device exposure.
Conclusions:
- Simultaneous single-stage alloplastic ear reconstruction and Osia piezoelectric implant insertion is a safe and efficient procedure.
- The technique yields advanced hearing restoration and aesthetic microtia reconstruction.
- Craniofacial surgeons must stay informed about bone conduction technology advancements and their surgical planning implications.
