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报告6例以长期咳嗽为唯一症状的支气管哮喘患者,男2例,女4铡,年龄16～40岁,咳嗽1～48个月不等,仅1例有少量痰液。不论在安静或运动时均无呼吸困难或喘息史,不伴有枯草热或其它过敏性疾病。基础肺功能测定包括1秒钟用力呼气量(FEV_1)、最大肺活量(FVC)、FEV_1/FVC 比率及中间最大呼气流率(MMEFR)等均正常;对照组为7例年龄相应的各种肺功能测定均正常的个体。6例患者口服茶碱或舒喘灵等支气管扩张剂后,咳嗽在48小时内缓解。治疗3～12个月后停药3天,重新出现咳嗽,遂行肺功能检查。基础肺功能测定与正
Report of 6 cases of long-term cough as the only symptom of bronchial asthma patients, 2 males and 4 females, aged 16 to 40 years old, cough ranging from 1 to 48 months, only 1 case of a small amount of sputum. No history of dyspnea or wheeze, no hay fever, or other allergic conditions, either during quiet or physical activity. The baseline pulmonary function tests included normal forced expiratory volume (FEV 1), maximum vital capacity (FVC), FEV 1 / FVC ratio, and median maximal expiratory flow rate (MMEFR) Pulmonary function tests were normal individuals. After 6 patients received bronchodilators such as theophylline or salbutamol, the cough relieved within 48 hours. Treatment 3 to 12 months after withdrawal for 3 days, re-emergence of cough, pulmonary function tests. Basal lung function measurement and positive