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目的分析晚发支气管哮喘与慢性阻塞性肺疾病(COPD)肺功能及气道反应性。方法选取晚发支气管哮喘(晚发哮喘组)与慢性阻塞性肺疾病(慢性阻塞性肺疾病组)患者各55例,并检测两组患者的肺功能指标以及气道反应性。结果两组患者的最大呼气流量(PEF)、1秒用力呼气容积(FEV1)、最大呼气中段流量(MMEF)、气道阻力(Raw)1、Raw2对比,差异有统计学意义(P<0.05)。结论肺功能检查以及气道反应性检测均可用于鉴别诊断晚发支气管哮喘与慢性阻塞性肺疾病,准确性较高,可指导后期临床治疗,应用价值显著。
Objective To analyze the pulmonary function and airway responsiveness of late-onset bronchial asthma and chronic obstructive pulmonary disease (COPD). Methods 55 patients with late-onset bronchial asthma (late-onset asthma group) and chronic obstructive pulmonary disease (chronic obstructive pulmonary disease group) were selected and their pulmonary function indexes and airway responsiveness were measured. Results There were significant differences in the maximum expiratory flow (PEF), forced expiratory volume in 1 second (FEV1), maximum expiratory flow in middle airway (MMEF), airway resistance (Raw) 1 and Raw2 <0.05). Conclusions Both pulmonary function tests and airway reactivity tests can be used to differentiate late-onset bronchial asthma and chronic obstructive pulmonary disease, with high accuracy and guiding clinical treatment in the later stage.