肺区域性阻抗通气图在尘肺临床诊断中的应用价值  

Application value of measurement of the regional pulmonary ventilation by electric impedance pneumograph in the clinical diagnosis of pneumoconiosis

作　　者：陈小维[1] 贾海泉[1] 朱东[1] 周泽深[1] 邹学超[1] 

机构地区：[1]上海市肺科医院尘肺科,200433

出　　处：《中华劳动卫生职业病杂志》2002年第2期110-112,共3页Chinese Journal of Industrial Hygiene and Occupational Diseases

摘　　要：目的　探讨不同类型尘肺患者的肺区域性通气分布的特征及其对临床的应用价值。方法　对 132例不同类型尘肺患者进行了肺区域性阻抗通气图检测和常规肺功能试验 ,将结果与 10 0例健康人测定值比较。结果　铸工尘肺、矽肺和石棉肺 3种尘肺的肺区域性通气分布皆为两上肺区通气增加和两下肺区通气减少 ;而左、右两侧肺通气分布则以右侧肺通气增加为主 ,占 5 3.0 3%(70 / 132 ) ,与健康正常人肺阻抗通气图比较 ,差异有显著性 (P <0 .0 1)。三种尘肺之间比较 ,差异未见显著性 (P >0 .0 5 ) ,尘肺通气功能“正常”者与不同类型通气障碍者之间差异亦无显著性 (P >0 .0 5 )。 2例矽肺中 ,1例X线胸片显示其左侧上叶肺萎缩 ;另 1例并发左侧中央型肺癌。肺区域性阻抗通气图显示符合X线影像。结论　肺区域性阻抗通气图是非常规肺功能所能检测到的 ,可作为常规肺功能补充参数。对尘肺并发其他肺部区域性病变 ,临床似有可能用肺阻抗通气图替代核素显像通气法。Objective To study the value of clinical application and distribution character of regional pulmonary ventilation of patients with various type of pneumoconiosis. Methods 132 patients with various type of pneumoconiosis were observed by electric impedance pneumograph(EIPV) and routine lung function test.The results were compared with the measured value of 100 healthy cases. Results The regional pulmonary ventilation of the three kinds of pneumoconiosis(founder's pneumoconiosis,silicosis and asbestosis) was increased in both side of upper pulmonary region and decreased in both of lower pulmonary region.The ventilation distribution showed that the right pulmonary ventilation increased predominantly,accounted for 53.03%(70/132) of total lung ventilation.There was significant difference(P<0.01) compared with the normal healthy men's EIPV,but no difference(P>0.05) among various type of pneumoconiosis.There was also no difference(P>0.05) between pneumoconiosis patients with normal ventilation function and various type of ventilation obstacle of pneumoconiosis.One silicosis patient complicated by atelectasis of the left upper lobe,another silicosis patient complicated by lung cancer and their EIPV accorded with their chest X-rays. Conclusion EIPV could not be measured by routine lung function test.It may be the supplement to latter parameter and as a substitute for radio imaging of pulmonary ventilation in pneumoconiosis complicated by other regional pulmonary disorders.

关 键 词：肺区域性阻抗通气图 肺功能 尘肺 诊断 

分 类 号：R135.2[医药卫生—劳动卫生]