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用γ心功能仪以首次通过法测定正常人25例、慢支肺气肿11例和慢性肺心病12例的右心功能。结果,慢支肺气肿组和慢性肺心病组的 RVEF、RCO、SV、ER、PFR 比正常组均有显著性减低,FR 在慢性肺心组有显著性减低,而 TPFR、EDV、AFFR 与正常组相比均无显著性差异。其中5例慢支肺气肿和8例慢性肺心病的 RVEF 与其肺动脉平均压和右室舒张压呈负相关,相关系数为-0.819和-0.607。作者认为核素右心功能研究在慢支肺心病诊断、病程估测上有较大的临床价值。
Right heart function was measured in 25 cases of normal subjects, 11 cases of chronic bronchitis emphysema and 12 cases of chronic pulmonary heart disease with γ-heart function instrument. The results showed that RVEF, RCO, SV, ER and PFR in COPD and chronic pulmonary heart disease group were significantly lower than those in normal group, FR was significantly decreased in chronic pulmonary heart group, while TPFR, EDV, AFFR and No significant difference between normal group. Among them, RVEF of 5 cases of chronic bronchitis and 8 cases of chronic pulmonary heart disease was negatively correlated with mean pulmonary artery pressure and right ventricular diastolic pressure. The correlation coefficients were -0.819 and -0.607. The authors believe that the study of radionuclide right heart function in the diagnosis of chronic bronchial disease, disease duration has greater clinical value.