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題名 | 經由人工電子耳蝸電刺激之誘發性腦幹聽性反應--病例報告=Auditory Brainstem Responses Evoked by Electrical Stimulation with a Cochlear Implant--Case Report |
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作者 | 許權振; 林凱南; 洪美枝; | 書刊名 | 中華民國耳鼻喉科醫學會雜誌 |
卷期 | 32:6 1997.12[民86.12] |
頁次 | 頁89-94 |
分類號 | 416.865 |
關鍵詞 | 電刺激; 腦幹聽性反應; 人工電子耳蝸; 閾級; 舒適級; Electrical stimulation; ABR; Cochlear implant; Threshold level; Comfort level; |
語文 | 中文(Chinese) |
中文摘要 | 植入人工電子耳蝸者的聽知覺行為反應閾級( T-level )和舒適級( C-level )的測定對改善語言聽知覺能力非常重要。兩耳全聾患者無法以聲音刺激誘發腦幹聽性反應 ,但植入人工電子耳蝸後可以電刺激取代聲音刺激來誘發腦幹聽性反應。電刺激之誘發性腦 幹聽性反應閾與聽知覺閾級和舒適級的關係密切。 我們報告 1 例植入人工電子耳蝸者的電 刺激誘發性腦幹聽性反應閾級的測量經驗。 只選擇性測量經由第 5 和 20 頻道的電刺激誘 發腦幹聽性反應閾級,結果其值與各該頻道的聽知覺舒適級相近。病人在手術後半年的語言 聽知覺能力有非常顯著的進步。植入人工電子耳蝸者的電刺激誘發性腦幹聽性反應閾級的測 量對預測聽知覺舒適級非常有幫助。 |
英文摘要 | We reported our experience of performing electrically evoked auditory brainstem responses (E-ABR) for a profound deaf patient with Nucleus 22-channel cochlear implant. He revealed great improvement in test scores and subjective evaluations of speech perception performance after cochlear implantation. Electrical stimulation via cochlear implant was controlled by the spectra speech processor and the dual processor interface (DPI). The DPI was interfaced to an IBM compatible computer that utilized the diagnostic and programming software ( DPS 6. 100). A Nicolet Spirit evoked potential system was triggered externally from the DPI unit to acquire the response wave-forms. The current level of E-ABR threshold showed only a little greater than the comfort level of auditory behavioral response by a cochlear implant. The result suggests that measuring the current level of E-ABR threshold may be very helpful in predicting the behavioral comfort level, rather than the threshold level of cochlear implant patient. This is the first reported case of E-ABR in Taiwan. |
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