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眩晕症的病因一般有三类.即膜迷路积水(又称美尼尔病).椎基底动脉供血不足、前庭神经元炎和某些药物如链霉素的毒性损害。利多卡因治疗眩晕症的机理可能为:(1)扩张内耳的小动脉,解除迷路动脉痉挛.改善内耳的微循环;(2)调整脑干及网状结构的生物电活性,促使其趋向正常化;(3)解除脑血管痉挛.改善椎基底动脉的血流动力学,也即改善脑循环;(4)通过镇静作用消除因紧张、焦虑和劳累所致的植物神经功能紊乱.达到缓解眩晕的目的。
The etiology of vertigo generally have three categories, namely, membranous labyrinth of water (also known as Meniere’s disease) vertebrobasilar insufficiency, vestibular neuritis and some drugs such as streptomycin toxicity damage. The mechanism of lidocaine treatment of vertigo may be: (1) expansion of the inner ear of the small arteries, the lifting of labyrinthine artery spasm to improve the inner ear microcirculation; (2) to adjust the brain stem and reticular bioelectrical activity to promote its trend to normal (3) to relieve cerebral vasospasm, improve hemodynamics of vertebrobasilar artery, that is, to improve cerebral circulation, and (4) to eliminate autonomic dysfunction caused by nervousness, anxiety and exertion through sedation to achieve relief of vertigo the goal of.