为探讨吸入速尿在儿童哮喘的作用,是否与成人相似,是否与年龄有关,用双盲、安慰剂对照、随机交叉试验,测定其对冷空气所致肺功能改变的影响及吸入前后的利尿情况。病人和方法男19例,女2例。年龄8～17岁。轻至中度哮喘,支气管对冷空气有显著反应性(FEV_1减少15%以上),均无吸烟史,1个月内无呼吸道感染。测定前24小时停用口服药物或色甘酸钠吸入,其 To investigate whether the inhaled furosemide in children with asthma, whether similar to adults, is age-related, with a double-blind, placebo-controlled, randomized crossover test to determine the effect of cold air on lung function changes and diuretics before and after inhalation Happening. The patients and methods were 19 males and 2 females. Age 8 to 17 years old. In mild to moderate asthma, the bronchi was significantly responsive to cold air (FEV 1 was reduced by more than 15%) and had no history of smoking and no respiratory infection within 1 month. 24 hours before the test to disable oral medication or cromolyn sodium inhalation, which