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采用乙炔 (Ｃ2 Ｈ2 )气体用Ｆｉｃｋ法计算出肺毛细血管有效血流量 (Ｑｃ)是一无创测定心输出量的技术。近年来 ,由于仪器的改进和计算机现代科学技术的应用 ,Ｑｃ研究开始应用于临床 ,关于慢性阻塞性肺部疾病、哮喘Ｑｃ的研究报道尚少。1 资料与方法1.1 临床资料受试对象分
Calculation of pulmonary capillary effective blood flow (Qc) using acetylene (C2H2) gas using the Fick method is a noninvasive technique to determine cardiac output. In recent years, due to the improvement of instrumentation and the application of computer science and technology, Qc research has been used in clinic. There are few reports on the research of chronic obstructive pulmonary disease and asthma Qc. 1 Materials and Methods 1.1 Clinical data Subjects were divided