Pressure of artrial oxygen partial(PaO 2)and oxygenation index(PaO 2/FiO 2)were greatly improved, mean pulmonary arterial pressure (MPAP) and pulmonary vascular resistance(PVR) were greatly decreased during therapy.

• PGE1 治疗组犬动脉血氧分压 (PaO2 )、氧合指数 (PaO2 /FiO2 )均明显改善 ,肺循环阻力(PVR)和平均肺动脉压 (MPAP)均显著降低 ;