我们从1985年2月以来用维生素K_3治疗支气管哮喘持续状态5例。男2例,女3例。年龄7～14岁。既注有哮喘史1～2年的1例.～4年2例,～6年2例,均用维生素K_3按1mg/kg/次加入10%葡萄糖50ml静脉滴注治疗。结果:显效4例,有效1例。疗效评定标准:显效为呼气性呼吸困难、端坐呼吸、烦躁、大汗、发钳、两肺广泛哮鸣音等症状与体征在10～60分钟内消失。有效为上述症状与体征在60～120分钟明显改善。典型病例:男,13岁。哮喘史5～6年,反复发作,近1年来有加重趋势。入院前6天受凉后咳喘,4天后呈严重哮喘持续状态.当地治疗无效入院。体检:体温37.6℃,神清、烦躁,端坐呼吸,大汗淋 We have treated 5 cases of bronchial asthma persistence with vitamin K_3 since February 1985. 2 males and 3 females. Age 7 to 14 years old. In both cases of asthma history of 1 to 2 years in 1 case. ~ 4 years in 2 cases, ~ 6 years in 2 cases, with vitamin K_3 by 1mg / kg / time by adding 10% glucose 50ml intravenous infusion. Results: 4 cases markedly effective and 1 case effective. Efficacy assessment criteria: markedly expiratory dyspnea, sitting breathing, irritability, sweating, hair pliers, wheezing and other lung extensive symptoms and signs disappear within 10 to 60 minutes. Effective for the above symptoms and signs of significant improvement in 60 to 120 minutes. Typical cases: male, 13 years old. History of asthma 5 to 6 years, recurrent, the past 1 years have increased the trend. 6 days before admission cough and wheezing, severe asthma was sustained 4 days after the state. Physical examination: body temperature 37.6 ℃, Shen Qing, irritability, sitting and breathing, sweating