维生素K主要用于预防线生素K缺乏所引起的出血,自1974年首次报道维生素K_3治疗胆道蛔虫所致的胆绞痛以来,国内各地陆续应用于临床,特别对镇痛平喘有显著的疗效,现将维生素K的新用途扼要介绍如下: 一、缓解胃肠平滑肌痉挛所致的疼痛动物实验证明,维生素K对离体肠肌自发性收缩及乙酰胆碱引起的收缩有明显抑制作用,性质既不同于吗啡,也不同于阿托品,而是直接松弛内脏平滑肌, Vitamin K is mainly used to prevent bleeding caused by lack of vitamin K, since the first report of vitamin K_3 in 1974, the treatment of biliary ascariasis caused by biliary ascites, all over the country gradually applied to clinical, especially for analgesic and antiasthmatic Curative effect, the new use of vitamin K is now briefly described as follows: First, ease the pain caused by gastrointestinal smooth muscle spasm Animal experiments show that vitamin K on isolated intestinal muscle spontaneous contraction and contraction caused by acetylcholine significantly inhibited the nature of both Unlike morphine, is also different from atropine, but directly relax the visceral smooth muscle,