Παρασκευή 22 Ιουλίου 2016

Effects of Age and Implanted Ear on Speech Recognition in Adults with Unilateral Cochlear Implants

The objective of this study was to examine how age and implanted ear contribute to functional outcomes with cochlear implantation (CI). A retrospective review was performed on 96 adults who underwent unilateral CI. Older adults with right-ear implants had higher Hearing in Noise Test (HINT) scores at 1 year by 10.3% (p = 0.06). When adjusted to rationalized arcsine units (rau), right-ear HINT scores in older adults were higher by 12.1 rau (p = 0.04). Older adults had an 8.9% advantage on the right side compared to the left in post- versus preimplant scores for consonant-vowel nucleus-consonant words (p = 0.05). No significant differences were observed for younger adults. In conclusion, although adults of all ages experience improvements in speech perception following CI, there might be a subtle but consistent right-ear advantage in older adults.
Audiol Neurotol 2016;21:223-230

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