本文選題：可接受噪聲級　切入點：真耳分析　出處：《中華耳科學雜志》2017年05期

【摘要】：目的探討可接受噪聲級(acceptable noise level,ANL)測試是否適用于評估高頻陡降型聽力損失人群的助聽器選配效果。方法選取佩戴助聽器半年以上的20位高頻陡降型的聽障患者,對其進行裸耳和助聽后的ANL測試、助聽情況下的Speechmap測試,通過軟件SPSS19.0分析對比助聽前后的ANL值和真耳分析的測試結果,比較其差異性,評估助聽器效果,得出結果。結果 (1)20位聽障者在裸耳狀態(tài)時最舒適響度級(most comfortable level,MCL)為80.70±8.05d B HL,助聽情況下MCL為65.80±9.03d B HL,具有統(tǒng)計學意義;裸耳狀態(tài)下背景噪聲級(back-ground noise level,BNL)值為73.75±7.16d B HL,助聽后BNL值為59.25±6.93d B HL,該結果具有統(tǒng)計學意義(P0.001),而助聽前后ANL值分別為6.95±4.20 d B HL和6.55±4.21 d B HL,該結果無統(tǒng)計學意義(P0.05),表明患者ANL值與配戴助聽器與否無相關性;(2)助聽后Speechmap得分驗證了裸耳ANL值小于7d B HL時,助聽效果很好;但裸耳ANL值大于7d B HL時患者Speechmap得分偏低,助聽效果不好。結論通過測試裸耳的可接受噪聲級(ANL值)可以較為準確地預測高頻陡降型聽力損失患者選配助聽器的效果,并對此類患者是否選配助聽器進行指導。
[Abstract]:Objective to investigate whether the acceptable noise level noise level ANL test can be used to evaluate the effect of hearing aid selection in people with high frequency and steep hearing loss. Methods 20 patients with hearing impairment with high frequency and steep fall who wear hearing aids for more than half a year were selected. The ANL test of bare ear and hearing aid, the Speechmap test of hearing aid, the comparison of ANL value before and after hearing aid and the test result of true ear analysis by software SPSS19.0 were carried out to evaluate the effect of hearing aid. Results the results showed that the most comfortable comfortable level in bare ear was 80.70 鹵8.05 dB in 20 hearing-impaired patients, and the MCL was 65.80 鹵9.03 dB in hearing aid, which was statistically significant. The BNLs of back-background noise level in bare ear were 73.75 鹵7.16 dB HLand 59.25 鹵6.93 dB HLL after hearing aid. The results were statistically significant (P 0.001), but the ANL values before and after hearing aid were 6.95 鹵4.20 dB HL and 6.55 鹵4.21 dB HLL, respectively. The results had no statistical significance (P 0.05). There was no correlation between the ANL value and the Speechmap score after hearing aid. The results showed that the bare ear ANL value was less than 7 d B HL. The results of hearing aid were very good, but the Speechmap score of patients with bare ear ANL > 7 d B HL was lower. Conclusion by testing the acceptable noise level ANL of bare ears, we can accurately predict the effect of hearing aid selection in patients with high frequency and steep reduction hearing loss, and provide guidance on the selection of hearing aids for these patients.
【作者單位】： 浙江中醫(yī)藥大學;
【分類號】：R764.5

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