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本文研究由慢性阻塞性支气管炎和肺气肿所致的慢性稳定型肺心病及肺泡缺O_2时肾素-血管紧张素(R-A)系统与肺血管紧张素转化酶(ACE)的活性。患者组共观察11例(男4,女7)不可逆性肺通气障碍及稳定性Ⅱ型呼吸衰竭患者,另选11例条件相似而因心脏病进行心导管检查的患者作对照组。病人组以F_1O_2 0.46吸氧半小时,观察吸氧前后的血液动力学及激素的变化。对照组不吸氧、
This article studies the chronic stable bronchitis and emphysema caused by chronic stable pulmonary heart disease and alveolar absence of O_2 renin - angiotensin (R-A) system and pulmonary angiotensin converting enzyme (ACE) activity. A total of 11 patients (male 4, female 7) with irreversible pulmonary ventilation impairment and stable type II respiratory failure were observed in the patient group. Eleven other patients undergoing cardiac catheterization with similar conditions were selected as the control group. The patient group with F_1O_2 0.46 oxygen for half an hour before and after the observation of hemodynamic changes and hormone changes. The control group did not take oxygen,