Cochlear implant surgery for profound or total hearing loss.
D003056:Cochlear Nerve / Q000503:physiopathology; D003638:Deafness / Q000534:rehabilitation*; D004558:Electric Stimulation; D004567:Electrodes, Implanted; D006310:Hearing Aids; D006319:Hearing Loss, Sensorineural / Q000534:rehabilitation*; D006801:Humans