Vincenzo Vincenti1,2, Filippo Di Lella3,4, Maurizio Falcioni1,2, Maurizio Negri5, Diego Zanetti6. 1. Unit of Audiology and Pediatric Otorhinolaryngology, Department of Medicine and Surgery, University of Parma, Parma, Italy. 2. UOC Otorinolaringoiatria e Otoneurochirurgia, Azienda Ospedaliero-Universitaria di Parma, Via Gramsci 14, 43126, Parma, Italy. 3. Unit of Audiology and Pediatric Otorhinolaryngology, Department of Medicine and Surgery, University of Parma, Parma, Italy. filippo.dilella@gmail.com. 4. UOC Otorinolaringoiatria e Otoneurochirurgia, Azienda Ospedaliero-Universitaria di Parma, Via Gramsci 14, 43126, Parma, Italy. filippo.dilella@gmail.com. 5. Department of Otorhinolaryngology, Ospedale Ramazzini, Carpi, Italy. 6. Department of Audiology, University of Milano, IRCSS Policlinico "Ca' Granda", Milan, Italy.
Abstract
OBJECTIVE: To report neuroradiologic findings, surgical strategies and clinical and audiological results in a series of children with CHARGE syndrome (CS) who had been evaluated for cochlear implantation (CI). STUDY DESIGN: Retrospective case series. SETTING: Tertiary referral university hospital. PATIENTS: Eight profoundly deafened children with CS were included. Routine audiometric measurements, speech perception categories and speech intelligibility ratings were performed pre- and post-operatively. Neuroradiological and intraoperative findings, surgical planning, and post-operative complications were analyzed. RESULTS: Six children were profoundly deaf from birth and 2 had progressive hearing loss to profound levels. Cochlear nerve deficiency (CND) was noted in 5 out of the 6 patients with congenital sensorineural hearing loss (SNHL). Seven children underwent CI. Surgery was performed using standard transmastoid facial recess approach in 3 ears, subtotal petrosectomy in 3, and transmastoid single-slit labyrinthotomy in one. Temporary facial palsy occurred in one patient. In the group of patients with congenital SNHL, 2 children benefitted from CI and developed spoken language; the remaining 3 children obtained improved access to environmental sounds and used signs and gestures as their main mode of communication. The two patients with progressive SNHL had preoperative verbal language and continued to use verbal language after CI. CONCLUSIONS: The constant presence of temporal bone anomalies in children with CS requires surgical expertise in performing non-standard approaches for safe and effective CI. Patients with progressive SNHL and normal cochlear nerves had satisfactory results with CI. Limited benefits have been observed in presence of CND.
OBJECTIVE: To report neuroradiologic findings, surgical strategies and clinical and audiological results in a series of children with CHARGE syndrome (CS) who had been evaluated for cochlear implantation (CI). STUDY DESIGN: Retrospective case series. SETTING: Tertiary referral university hospital. PATIENTS: Eight profoundly deafened children with CS were included. Routine audiometric measurements, speech perception categories and speech intelligibility ratings were performed pre- and post-operatively. Neuroradiological and intraoperative findings, surgical planning, and post-operative complications were analyzed. RESULTS: Six children were profoundly deaf from birth and 2 had progressive hearing loss to profound levels. Cochlear nerve deficiency (CND) was noted in 5 out of the 6 patients with congenital sensorineural hearing loss (SNHL). Seven children underwent CI. Surgery was performed using standard transmastoid facial recess approach in 3 ears, subtotal petrosectomy in 3, and transmastoid single-slit labyrinthotomy in one. Temporary facial palsy occurred in one patient. In the group of patients with congenital SNHL, 2 children benefitted from CI and developed spoken language; the remaining 3 children obtained improved access to environmental sounds and used signs and gestures as their main mode of communication. The two patients with progressive SNHL had preoperative verbal language and continued to use verbal language after CI. CONCLUSIONS: The constant presence of temporal bone anomalies in children with CS requires surgical expertise in performing non-standard approaches for safe and effective CI. Patients with progressive SNHL and normal cochlear nerves had satisfactory results with CI. Limited benefits have been observed in presence of CND.
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