对照组和治疗组各30例,均行止咳、平喘、抗菌、强心、支持疗法等常规处理,治疗组加用酚妥拉明0.5～1mg/kg/次,阿拉明0.25～0.5mg/kg/次,置10％葡萄糖10～20ml中于20分钟内静注或直接入输液壶中静滴,每日给药3～4次,酌情增减。结果(治疗组/对照组):显效(3～24h内呼吸困难 Control group and treatment group, 30 cases were treated with cough, asthma, antibacterial, cardiac, supportive therapy and other conventional treatment, the treatment group with phentolamine 0.5 ~ 1mg / kg / time, Alaramine 0.25 ~ 0.5mg / kg / time, set 10% glucose 10 ~ 20ml intravenous infusion within 20 minutes or directly into the infusion pot, daily administration of 3 to 4 times, as appropriate, increase or decrease. Results (treatment group / control group): markedly (3 ~ 24h breathing difficulties