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MED-EL Electric-Acoustic Stimulation Clinical Trial Outcomes

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1.  What was the range of low-frequency hearing included in the candidacy criteria for the trial? profound severe to profound normal to moderate normal to profound

2.  What was the final testing interval used as the endpoint in the clinical trial? 6 months 12 months 24 months 3 months

3.  Which listening condition resulted in the best performance in noise? EAS cochlear implant hearing aid pre-op

4.  At which testing interval did subjects begin to show a significant improvement in speech perception in the EAS condition? 3 months 6 months 12 months did not show an improvement

5.  Over ___% of subjects in the clinical trial reported an improvement in listening in background noise on the APHAB. 20% 50% 99% 90%

6.  What percent of subjects in the clinical trial experienced less than a 30 dB shift in low-frequency pure-tone average? 33% 79% 2% 50%

7.  What percent of subjects in the clinical trial had hearing loss better than profound at the 12 month endpoint? 67% 44% 3% 88%

8.  Which of the following can influence speech perception in the cochlear implant condition? Frequency filters familiarity with map a & b none of the above

9.  The addition of acoustic hearing at _____ Hz was shown to impact speech perception outcomes. 125 1500 6000 70

10.  Speech perception outcomes were shown to ____________ with long-term use of EAS. worsen improve remain stable be variable