Journal
JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
Volume 59, Issue 3, Pages 446-453Publisher
WILEY
DOI: 10.1111/j.1532-5415.2010.03310.x
Keywords
cochlear implantation; elderly; aging; speech outcomes; central auditory asymmetry
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OBJECTIVES To determine whether significant differences in cochlear implant (CI) performance exist between older and younger CI recipients. DESIGN Retrospective comparison of audiometric data. SETTING University hospital center. PARTICIPANTS Sixty participants who received CIs at age 70 and older and 48 younger adults implanted between age 18 and 69. MEASUREMENTS Speech outcome scores (Consonant-Nucleus-Consonant words and phonemes and City University of New York Sentence test in quiet and noise). RESULTS Older participants show significant improvement in speech perception scores after implantation. Although on average they do not perform as well as younger adults, this difference correlates with duration of deafness rather than age. In contrast to younger adults, significant differences in CI performance are seen in older recipients depending on the side of implantation, with those implanted on the right performing better than those implanted on the left. CONCLUSION Postlingually deafened older adults obtained significant speech perception benefits from CIs, although differences in speech outcomes were seen between younger recipients and those implanted after age 70. In older adults considering CIs, hearing benefits appear greater if they are implanted in the right ear.
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