1病历资料患者男,74岁,因“反复喘息伴咳嗽20余年,再发伴加重2周”于2015-01-02入院。患者20余年前受凉后出现发作性喘息,伴咳嗽、咳痰,咳白色泡沫样痰,能自行好转或当地医院就诊治疗后好转,此后上述症状反复发作,每年5~6次,每次症状持续3~5 d,发作间期可完全正常,未予系统诊治。10年前患者自觉症状加重,发作时气促明显,每年发作5~6次,每次症状持续时间约1个月,咳嗽咳痰较 1 patient data Patient male, 74 years old, because “repeated wheezing with cough for more than 20 years, recurrence with exacerbation of 2 weeks ” in 2015-01-02 admission. Patients with episodes of wheezing more than 20 years ago with cough, sputum, cough white foam-like sputum, can improve on their own or the local hospital after treatment improved, then the above symptoms recurrent, 5 to 6 times a year, each time the symptoms persist 3 ~ 5 d, the interictal period can be completely normal, no systematic diagnosis and treatment. 10 years ago, patients with increased symptoms, severe episodes of gas was apprehended, episodes of 5 to 6 times a year, each symptom duration of about 1 month, cough and sputum than