Ferraro J A, Thedinger B S, Mediavilla S J, Blackwell W L
Hearing and Speech Department, School of Allied Health, University of Kansas Medical Center, Kansas City 66160-7605.
J Am Acad Audiol. 1994 Jan;5(1):24-9.
Electrocochleographic responses to tone bursts and clicks were recorded from the tympanic membranes (TMs) and promontories of six suspected Meniere's patients. Although the majority of ears had normal summating potentials (SPs), regardless of recording site and stimulus type, some displayed amplitude-enlarged SPs at both sites and to both types of stimuli. The following observations were made from these patients regarding the choice of recording approaches and stimuli for ECochG: (1) Although SP amplitudes at the promontory were approximately four times larger than corresponding TM values, response "patterns" leading to diagnostic interpretation were the same at both sites; (2) the majority of patients who displayed enlarged SP amplitudes to tone bursts also had enlarged SPs to clicks; and (3) with tone-burst stimuli, the amplitude of the SP alone was sufficient for diagnostic interpretation of the ECochG waveform.
从6名疑似梅尼埃病患者的鼓膜（TM）和岬部记录了对短纯音和短声的耳蜗电图反应。尽管大多数耳朵的总和电位（SP）正常，无论记录部位和刺激类型如何，但有些耳朵在两个部位对两种刺激类型均显示出SP幅度增大。从这些患者中得出了以下关于耳蜗电图记录方法和刺激选择的观察结果：（1）尽管岬部的SP幅度约为相应TM值的四倍，但两个部位导致诊断性解释的反应“模式”相同；（2）大多数对短纯音显示SP幅度增大的患者对短声的SP也增大；（3）对于短纯音刺激，仅SP的幅度就足以对耳蜗电图波形进行诊断性解释。
