Surgical outcomes of simultaneous cochlear implantation with subtotal petrosectomy.

Auris, Nasus, Larynx
Seulgi LeeJin Woong Choi

Abstract

To evaluate the surgical outcomes of simultaneous cochlear implantation (CI) with subtotal petrosectomy (SP). Medical records of thirty-one patients (31 ears) who underwent simultaneous CI with SP in two tertiary referral centers for management of profound hearing loss secondary to chronic suppurative otitis media, cholesteatoma, previous open cavity, temporal bone fracture, and temporal bone irradiation were retrospectively analyzed. Pre and postoperative speech performances and related complications requiring surgical correction were evaluated. Significant improvement in postoperative speech performance was observed in all 31 patients compared to preoperative result. Of the 31 patients, complications occurred in three patients (9.6%). One patient exhibited the breakdown of blind sac closure of the external auditory canal and two others exhibited the migration of the receiver-stimulator cochlear implant. The migrations occurred despite tie-down fixation of the device to the skull. The migrated devices were repositioned using revision surgery. Simultaneous CI with SP is an effective and safe surgical method with relatively low complication incidence. However, particular attention should be paid to prevent certain complications....Continue Reading

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