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At the annual meeting of the American Neurotology Society in Denver, Susan B. Waltzman, PhD, Noel L. Cohen, MD, and William H. Shapiro, MA, presented a case report of a child who successfully underwent multichannel cochlear implantation after refusing to use a previously implanted single-channel unit. He was deafened at age 5½ years from meningitis and underwent single-channel implantation (Minnesota Mining and Manufacturing—House) at age 11 years. After two years, he stopped using the device because he felt it did not help him. At age 16 years, he investigated and requested a multichannel device. At the New York University School of Medicine, the single-channel unit was replaced by a multichannel unit (Nucleus).
Postoperative testing revealed improvement in pure-tone average and speech-detection threshold compared with the single-channel unit. Speech-tracking abilities also improved. Because no test performance decreased, the authors suggested that revision cochlear implantation be considered in selected cases.
HUGHES GB. Revision Cochlear Prosthesis Surgery: Its Effect on Performance. Arch Otolaryngol Head Neck Surg. 1987;113(9):918. doi:10.1001/archotol.1987.01860090016002
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