Reliability and complications of 500 consecutive cochlear implantations.

Objectives: To assess device failures as well as early postoperative, late postoperative, and medical complications occurring after cochlear implantation and to discuss their causes and treatments.

Study Design: Retrospective study of 500 consecutive cochlear implantations.

Setting: Tertiary referral center.

Cochlear implantation in prelingually deafened children with residual hearing.

Objective: The purpose of this study was to examine the speech perception skills of prelingually deafened French children with preoperative residual hearing who received multichannel cochlear implants.

Design: The design of the study incorporated a within-subject, repeated measures design for assessing speech perception skills.

Setting: Montpellier, Toulouse and Lyon Pediatric Cochlear Implant Centers.