论文部分内容阅读
作者们对12名27～56岁鼓室型或混合型耳硬化症病人,在镫骨手术各阶段,进行眼震电图检查。术前对病人行耳神经学检查(自发性、位置性和实验性眼震图检查),未发现自发性前庭障碍。仪器的时间常数是1.5秒,滤光器—2,低速25mm/秒。眼震的校正刻度(20°—20mm),在手术台上测量眼震波的长度、振幅、频率、慢相和快相的平均速度等主要参数。检查结果如下:5例用酒精消毒外耳道及奴佛卡因浸润麻醉,均引起迷路反应,其眼震向术侧。酒精滴入外耳道时,当频率为1.3～1.5赫
The authors performed electronystagmography on 12 patients with tympanic or mixed otosclerosis between 27 and 56 years at each stage of stapedectomy. Preoperative neurological examination of the patient (spontaneous, positional and experimental nystagmus), no spontaneous vestibular disorders were found. The instrument’s time constant is 1.5 seconds, filter-2, low speed 25mm / sec. Nystagmus calibration scale (20 ° -20mm), measured in the operating table Nystagmus length, amplitude, frequency, slow phase and fast phase of the average speed and other major parameters. The test results are as follows: 5 cases of alcohol disinfection of external auditory canal and novocaine anesthesia, are caused by labyrinthine reaction, the nystagmus to the side of surgery. Alcohol drops into the external auditory canal, when the frequency of 1.3 to 1.5 Hz