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Clinical results after implantation of the fully implantable hearing system Carina in patients with chronic otitis media
18 April 2018 (online)
Especially in patients after multiple revision tympanoplasty, active middle ear implants represent a promising hearing rehabilitation option. The fully implantable hearing system Carina enables hearing rehabilitation in patients with high-grade sensorineural or combined hearing loss.
We examined eight patients after implantation of the Carina hearing system 2017. All patients had a stable high-grade sensorineural or combined hearing loss. The speech audiometric performance was determined pre- and postoperatively, analyzing speech audiometric parameters in free field condition with/without masking noise. Additionally, the functional gain was quantified.
Pre- and postoperative speech audiometric parameters are demonstrated in comparison to the conventional hearing systems. Seven patients had undergone multiple tympanoplasty for hearing improvement. The actuator was coupled to the incus, the stapes suprastructure, the stapes footplate or the round window membrane depending on the middle ear pathology. A cochlear depression was not observed in any case.
Because of the alternative coupling methods, the Carina implant allows for a successful hearing rehabilitation in patients with high-grade sensorineural or combined hearing loss.