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目的 :研究支气管哮喘患者的肺功能变化。方法 :对 86例支气管哮喘患者进行长期随访 ,建立定时肺功能测定。结果 :VC、FVC低于正常 15例 ,FEV1 0 %低于正常 12例 ,MEFV小气道功能异常 75例 ,MMEF异常 75例 ;RV、FRC、TLC有 12例出现不同程度增加 ,DLCO测定 5 0例中有 12例降低 ,PEFR有 15例减少 ,每年均有不同程度哮喘发作。结论 :通过肺功能长时期随访测定 ,可了解小气道变化 ,提高对本病的防治
Objective: To study the changes of pulmonary function in patients with bronchial asthma. Methods: A total of 86 patients with bronchial asthma were followed up for a long time to establish a timed lung function test. Results: VC and FVC were lower than normal in 15 cases, FEV1 0% was lower than normal in 12 cases, MEFV was abnormal in small airway in 75 cases and MMEF was abnormal in 75 cases. RV, FRC and TLC increased in 12 cases in varying degrees, DLCO measured 50 12 cases decreased, PEFR decreased in 15 cases, each year there are different degrees of asthma attacks. Conclusion: Long-term follow-up of pulmonary function can be used to understand the changes of small airway and improve the prevention and treatment of this disease