1病历资料患者男,73岁。因反复咳嗽、咳痰30年,再发2d于2009-01-11入院。反复咳嗽、咳痰30年,冬春季好发,每年均有发作,每次发作1～3个月,抗感染治疗有效。2d前出现发热,体温最高达39.0℃,咳嗽、咳大量白色黏痰伴气喘。既往30年吸烟史,20支/d。查体:体温38.4℃、脉搏 Patient information Male patient, 73 years old. Due to repeated cough, sputum for 30 years, 2d recurrence 2009-01-11 admission. Repeated cough, sputum 30 years, winter and spring, every year have seizures, each episode of 1 to 3 months, anti-infective treatment effective. 2d before fever, body temperature up to 39.0 ℃, cough, cough, a large number of white phlegm with asthma. Past 30 years of smoking history, 20 / d. Physical examination: body temperature 38.4 ℃, pulse