Click- and short tone burst-evoked myogenic potentials in cerebellopontine angle tumors.

Click- and short tone burst-evoked myogenic potentials in cerebellopontine angle tumors.
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咔哒声和短音突发诱发桥小脑角肿瘤的肌源性电位。

DOI:
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发表时间:
2001
期刊:
Acta oto-laryngologica. Supplementum
影响因子:
--
通讯作者:
T. Murofushi
T. Murofushi
中科院分区:
--
文献类型:
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作者:
M. Ushio;M. Matsuzaki;H. Takegoshi;T. Murofushi

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我们报告了桥小脑角肿瘤患者的前庭诱发肌源性电位 (VEMP) 结果,并将使用喀哒声获得的结果与使用 500 Hz 短音爆发 (STB) 获得的结果进行比较。我们回顾了 87 名桥小脑角肿瘤患者的记录。向所有患者提供喀哒声(0.1 ms,95 dB nHL),并向 27 名患者提供 STB(500 Hz,上升/下降时间 1 ms,平台时间 2 ms,95 dB nHL)。 69/87 名患者的点击诱发 VEMP 异常(79%;55 名患者无反应,14 名患者反应降低,18 名患者反应正常)。 22/27 名患者中 STB 诱发的 VEMP 异常(82%;18 名患者无反应,4 名患者反应降低,5 名患者反应正常)。 Click 和 STB 诱发的 VEMP 在 23/27 名患者 (85%) 中是相同的。两名患者显示 STB 诱发的 VEMP 正常,而点击诱发的 VEMP 减少,两名患者显示 STB 诱发的 VEMP 减少,但点击诱发的 VEMP 缺失。这些结果证实了我们之前对少数患者的研究。前庭传入似乎对 500 Hz STB 的反应比对点击声的反应更好。
We report results of vestibular-evoked myogenic potentials (VEMPs) in patients with cerebellopontine angle tumors and compare results obtained using clicks with those obtained using 500 Hz short tone bursts (STB). We reviewed the records of 87 patients with cerebellopontine angle tumors. Clicks (0.1 ms, 95 dB nHL) were presented to all patients and STB (500 Hz, rise/fall time 1 ms, plateau time 2 ms, 95 dB nHL) were presented to 27 patients. Click-evoked VEMPs were abnormal in 69/87 patients (79%; no response in 55 patients, decreased response in 14 patients, normal response in 18 patients). STB-evoked VEMPs were abnormal in 22/27 patients (82%; no response in 18 patients, decreased response in 4 patients, normal response in 5 patients). Click- and STB-evoked VEMPs were identical in 23/27 patients (85%). Two patients showed normal STB-evoked VEMPs and decreased click- evoked VEMPs, and 2 patients showed decreased STB-evoked VEMPs and absent click- evoked VEMPs. These results confirm our previous study in a small number of patients. Vestibular afferents seem to respond better to 500 Hz STBs than to clicks.
哺乳动物前庭系统初级传入神经元的声音诱发活动。
DOI: --
发表时间: 1997
期刊: The American journal of otology.
影响因子: --
作者:
McCue,MP;GuinanJr,JJ
通讯作者: GuinanJr,JJ