Objective To compare the successful rate of two methods of arterial puncture of cephalic arteria and arteria femoralis for blood gas analysis.

目的比较头皮动脉穿刺和股动脉穿刺两种方法采血进行血气分析检查的穿刺成功率。

Objective To study the effect of Amrinone on hemodynamics,blood gas analysis and respiratory function in patients with pulmonary hypertension of chronic obstructive pulmonary disease(COPD).

目的研究氨力农对COPD患者肺动脉高压时血流动力学、血气分析和肺功能的作用。方法测定COPD患者肺动脉高压时静滴氨力农治疗前后的超声心动图、血气分析和肺功能的作用。