结合文献有关肺动脉压与肺血流图间相关性的报告，可以认为肺血流图能较好地反映肺循环的血流功力学。
Besides, close relationship between pulmonary arterial pressure and PRG was reported in the literature. Therefore, it can be said that PRG reflects pulmonary dynamics effectively.
观察两组临床疗效，并比较两组治疗前后动脉血气、肺阻抗血流图和血液流变学的变化。
To observe the effect and detect the blood gas indices, pulmonary impedance rheogram and hemorrhedogy of both groups′s before and after treatment.
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