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本组肺心病患者肺阻抗血流图的F-Y间期及指数、F-Y/B-F比值均明显小于正常人(P<0.01)。且较B-Y间期及指数在肺心病患者的符合率有明显提高。认为肺心病时B-Y间期缩短主要是F-Y间期缩短。其缩短可能与肺动脉压增高等有关。
The F-Y interval and index, F-Y / B-F ratio of pulmonary impedance blood flow in patients with pulmonary heart disease were significantly lower than those in normal people (P <0.01). And compared with the B-Y interval and index in patients with pulmonary heart disease significantly improved compliance. B-Y shortening of pulmonary heart disease that F-Y interval is mainly shortened. Its shortening may be related to increased pulmonary artery pressure.