Taguchi K, Sasaki O, Sato K, Nezu K, Sakaguchi M
Department of Otolaryngology, Shinshu University School of Medicine, Matsumoto, Japan.
Acta Otolaryngol Suppl. 1995;519:201-3. doi: 10.3109/00016489509121904.
Patients with peripheral vestibular disorders may experience postural instability in the standing position, which means disorientation in their environment. The disturbed vestibular function in light reflects the postural instability in space. The present study investigates the relationship between the subjective vertical and the vestibular lesion. The subjects were patients with unilateral vestibular lesion, and the control subjects had no past history of vestibular lesion or any present vestibular lesion. A straight line consisting of 5 spotlights projected on a dome-shaped screen was concentrically moved like a stylus by pressing buttons. We measured the subjective vertical of the subjects using a 5-spotlight straight-line (spotlight-line) on a dome-shaped screen in front of which the subjects were placed. The result showed that the patients with unilateral peripheral disorder had a statistically significantly larger deviation to the impaired ear side, especially when the spotlight-line was moved from the impaired side, as compared with controls.
外周前庭疾病患者在站立位时可能会出现姿势不稳，这意味着他们在所处环境中会迷失方向。轻度的前庭功能障碍反映了空间中的姿势不稳。本研究调查主观垂直方向与前庭病变之间的关系。研究对象为单侧前庭病变患者，对照对象无既往前庭病变史或当前任何前庭病变。由5个聚光灯组成的一条直线投射在圆顶形屏幕上，通过按按钮像触控笔一样同心移动。我们使用一个位于圆顶形屏幕上的5聚光灯直线（聚光灯线）来测量受试者的主观垂直方向，受试者被安置在该屏幕前方。结果显示，与对照组相比，单侧外周性疾病患者向患耳侧的偏差在统计学上显著更大，尤其是当聚光灯线从患侧移动时。
