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Á¢¼ö¹øÈ£ - 210079    OTOP-68 
Comparison of computer-based self-administered tinnitus pitch matching with a conventional audiometric procedure
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¸ñÀû: An accurate tinnitus pitch-matching is an initial and crucial requirement for tinnitus evaluation and treatment, particularly for applying tailor-made notched music training. The purpose of this study was to investigate whether computer-based self-administered tinnitus pitch matching (CSTPM) is reliable comparably to the conventional audiometric procedure (CAP). ¹æ¹ý:A total of 82 patients (mean age=45.52yr, 42 female) with chronic tonal tinnitus participated. CAP was performed by the audiologist. The patients were presented with the starting frequency (1kHz) and the audiologist adjusted the frequency following the responses of the patients. The procedure continued until the patient indicated that the presented frequency was equal to the frequency of tinnitus. In CSTPM, the patients used a personal computer software with a scrolling slider to select the sound closest to tinnitus-pitch. After each procedure, octave challenge testing was performed. We divided all patients into 2 groups by octave differences between procedures (A<0.5octave, 0.5octave¡ÂB). The multivariate logistic regression was performed to search for the factors attributing to the test difference between CSTPM and CAP. °á°ú:Patients¡¯mean hearing threshold was 21.25 ¡¾ 17.61 (dB HL). Mean THI score was 35.56 ¡¾ 24.09. The mean pitch matches measured with CSTPM and CAP were respectively 6.29 ¡¾ 4.30 KHz and 6.98 ¡¾ 5.33 KHz. There was a significant correlation between both procedures results (r=0.793, p<0.001) and their matched pitches were not significantly different (p=0.369, Wilcoxon signed-rank test). The group A had 57 patients; B had 25 patients. Octave confusion and tinnitus loudness were factors significantly attributing to the difference (p<0.05). °á·Ð:We demonstrated that CSTPM might be a comparably reliable tinnitus pitch-matching method. These results suggest that the self-administered method may replace CAP by minimizing attributing factors.


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