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首页> 外文期刊>Case Reports in Otolaryngology >Persistent Upbeat Positional Nystagmus in a Patient with Bilateral Posterior Canal Benign Paroxysmal Positional Vertigo
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Persistent Upbeat Positional Nystagmus in a Patient with Bilateral Posterior Canal Benign Paroxysmal Positional Vertigo

机译：持续的乐观腹部腹膜腹部患者在患者中，双边后管道良性阵发性位置眩晕

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Here, we report a patient with persistent positional upbeat nystagmus in a straight supine position with no evident abnormal central nervous system findings. A 43-year-old woman with rotatory positional vertigo and nausea visited our clinic 7?days after the onset. Initially, we observed persistent upbeat nystagmus in straight supine position with a latency of 2?s during the supine head roll test. However, an upbeat nystagmus disappeared on turning from straight to the left ear-down supine position, and while turning from the left to right ear-down position, an induced slight torsional nystagmus towards the right for 22?s was observed. In the Dix–Hallpike test, the left head-hanging position provoked torsional nystagmus towards the right for 50?s. In prone seated position, downbeat nystagmus with torsional component towards the left was observed for 45?s. Neurological examination and brain computed tomography revealed no abnormal findings. We speculated that persistent positional upbeat nystagmus in this patient was the result of canalolithiasis of benign paroxysmal positional vertigo of bilateral posterior semicircular canals.
机译：在这里，我们在直仰卧位报告患有持续存在的位置乐观的腹膜囊肿，没有明显的异常中枢神经系统发现。一个43岁的女性，带有旋转位置眩晕和恶心的诊所7？发病后的日子。最初，我们在仰卧侧滚动试验期间观察到直仰卧位的持续仰卧位仰卧位。然而，乐观的眼球震颤在直线上转动到左耳下仰卧位，而从左右耳下位置转向，观察到朝向>22μs的右诱导的轻微扭转眼压囊。在Dix-Hallpike测试中，左头悬挂位置朝向右侧引起扭伤的眼球震颤，50？s。在易发的坐姿，观察到朝向左侧的扭曲组分的下跳蚤眼囊肿45秒。神经学检查和脑计算机断层扫描显示没有异常发现。我们推测持续存在的位置浮肿在该患者中的腹膜囊肿是双侧后半圆公司的良性阵发性位置眩晕的可甲氧化物的结果。

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