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首页> 外文期刊>The American journal of otology >External aperture of the vestibular aqueduct in Meniere's disease.
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External aperture of the vestibular aqueduct in Meniere's disease.

机译：美尼尔氏病前庭渡槽的外孔。

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OBJECTIVE: To study the relationship of the length of the external aperture of the vestibular aqueduct and the ratio of the summating potential and action potential (SP:AP) in patients with Meniere's disease. STUDY DESIGN: Retrospective case study. SETTING: Neurotology referral center. PATIENTS: Fifty-four patients with Meniere's disease and nine control subjects without Meniere's disease. INTERVENTION: The external aperture of the vestibular aqueduct was measured from a three-dimensional surface reconstruction computed tomography scan. Transtympanic electrocochleography was performed on patients with Meniere's disease. MAIN OUTCOME MEASURE: The length of the external aperture of the vestibular aqueduct in the Meniere's disease ears was related to the SP:AP ratio in the Meniere's disease ears and compared with controls. RESULTS: The average length of the external aperture was 3.79 +/- 2.92 mm in Meniere's disease ears and 5.35 +/- 1.73 mm in the control ears (p < 0.05). An enlarged SP:AP ratio was found in 95% of ears in the group with nonvisible external apertures of the vestibular aqueduct, 91% of ears in the <5 mm group, 58% of ears in the 5-7 mm group, and 29% of ears in the >7 mm group (chi-square = 24.814; p = 0.000). CONCLUSIONS: The length of the external aperture of the vestibular aqueduct in patients with Meniere's disease is significantly shorter than in those without Meniere's disease. Endolymphatic hydrops, evidenced by an enlarged SP:AP ratio, was related to the length of the external aperture of the vestibular aqueduct. The shorter the external aperture, the more often the SP:AP ratio was enlarged. A short or nonvisible external aperture of the vestibular aqueduct is a predisposing factor to the development of Meniere's disease.
机译：目的：探讨美尼尔病患者前庭导水管外孔长度与总电位与动作电位之比（SP：AP）的关系。研究设计：回顾性案例研究。单位：神经病学转诊中心。患者：54名美尼尔氏病患者和9名无美尼尔氏病的对照组。干预：前庭渡槽的外部孔径是通过三维表面重建计算机断层扫描技术测量的。对美尼尔氏病患者进行了鼓室电耳蜗造影。主要观察指标：美尼尔氏病耳中前庭导水管的外孔长度与美尼尔氏病耳中的SP：AP比有关，并与对照组进行比较。结果：梅尼埃病耳的平均外部孔径为3.79 +/- 2.92 mm，对照耳的平均外部孔径为5.35 +/- 1.73 mm（p <0.05）。在前庭导水管不可见的外孔组中，有95％的耳朵中的SP：AP比值增大;在<5 mm的组中，有91％的耳朵;在5-7 mm的组中，有58％的耳朵; 29 > 7 mm组中的耳朵百分比（卡方= 24.814; p = 0.000）。结论：美尼尔氏病患者前庭导水管的外孔长度明显短于非美尼尔氏病患者。内淋巴积液由增大的SP：AP比证明，与前庭导水管的外孔长度有关。外部孔径越短，SP：AP比率越大。前庭导水管的短或不可见的外孔是梅尼埃病发展的诱因。

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