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测试健康人50名、肺气肿病人50例和哮喘病人31例的肺一氧化碳弥散量(D_LCO),结果:哮喘组D_LCO值显著高于健康组,D_LCO/pr％及KCO值与健康组无显著差别;肺气肿组D_LCO、D_LCO/pr％及KCO值均非常显著低于健康组和哮喘组。提示D_LCO测定可作为哮喘与肺气肿鉴别的肺功能检查筛选试验之一。不同程度肺气肿间以及与健康组D_LCO值比较,显示D_LCO、KCO随肺气肿程度加重而呈梯度降低,轻度肺气肿组与健康组的KCO比较有非常显著差别,配合其他临床资料有助于早期肺气肿的诊断。
Fifty healthy subjects, 50 patients with emphysema and 31 patients with asthma were tested for D_LCO. Results: D_LCO values in asthma group were significantly higher than those in healthy group, while D_LCO / pr% and KCO values were not significantly different from those in healthy subjects Differences; D_LCO, D_LCO / pr% and KCO values were significantly lower in emphysema group than in healthy group and asthma group. Tip D_LCO determination can be used as asthma and emphysema to identify pulmonary function test screening test. The differences of D_LCO between different degree of emphysema and healthy group showed that D_LCO and KCO decreased with the increase of emphysema, and the difference of KCO between mild emphysema group and healthy group had very significant difference. Combined with other clinical data Contribute to the diagnosis of early emphysema.