季铵类抗胆碱化合物如胃长宁(Glycopyrrolatc)比阿托品副作用少,更宜临床使用。以前研究提示,胃长宁对正常人和由运动、冷空气引起的哮喘是有效的支气管舒张剂。作者研究胃长宁对非运动性哮喘的效果、最佳剂量和作用持续时间。 Quaternary ammonium anticholinergic compounds like Glycopyrrolatc have fewer side effects than atropine and are more suitable for clinical use. Previous studies have suggested that Changning Chang is an effective bronchodilator for normal subjects and asthma caused by exercise and cold air. The authors study Wei Changning effect of non-exercise-induced asthma, the best dose and duration of action.