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用心导管方法观察19例肺心病和10例慢阻肺患者运动前后肺循环动力学参数的变化。发现静息时肺心病组肺动脉压、肺血管阻力均高于慢阻肺组(P<0.01),肺心病组、慢阻肺组分别有12例(占63％)和2例(占20％)存在肺动脉高压(PAH)。运动后心输出量和肺血管阻力增加,两组肺动脉压均明显升高(P<0.01),肺心病组15例出现PAH(占79％),慢阻肺组无一例出现。本文还对肺心病患者无PAH现象作了初步探索。
The cardiac catheterization method was used to observe the changes of pulmonary circulation kinetic parameters before and after exercise in 19 cases of pulmonary heart disease and 10 cases of chronic obstructive pulmonary disease. The pulmonary arterial pressure and pulmonary vascular resistance in patients with pulmonary heart disease at rest were higher than those in chronic obstructive pulmonary disease group (P <0.01). In pulmonary heart disease group and COPD group, 12 patients (63%) and 2 patients (20% ) Pulmonary hypertension (PAH). Cardiac output and pulmonary vascular resistance increased after exercise. Pulmonary arterial pressure was significantly increased in both groups (P <0.01). PAH was found in 15 of the patients with pulmonary heart disease (79%) and none in the COPD group. This article also PAH phenomenon in patients with pulmonary heart disease made a preliminary exploration.