• Zhonghua nei ke za zhi · Sep 1993

    [Effects of different dosage of PGE1 in pulmonary arterial hypertension].

    • Z H Guo, Y Q Ye, and B W Jing.
    • Department of Respiratory Disease, General Hospital of Guangzhou Military Region.
    • Zhonghua Nei Ke Za Zhi. 1993 Sep 1; 32 (9): 591-3.

    AbstractThe effects of different dosage of PGE1 on hemodynamics, oxygen delivery (DO2), oxygen consumption (VO2) and hemorheology in patients with pulmonary arterial hypertension (PAH) were investigated. In group 1, 10 cases were treated with PGE1 at a dosage of 20ng/kg.min-1, It was found that pulmonary arterial pressure (mPAP) and pulmonary vascular resistance (PVR) decreased by 23.3% and 38.7% respectively, CI and DO2 increased significantly; blood viscosity decreased significantly, but mean arterial pressure (MAP) and PaO2 were not affected. The side effects at such a dosage included flush of skin, headache and malaise. In group 2, 8 of the 10 cases were treated with PGE1 at a dosage of 40ng/kg.min-1. It was found that mPAP and PVR decreased by 22% and 40.4% respectively, CI increased significantly, MAP, systemic vascular resistance (SVR) and PaO2 decreased significantly while DO2 and VO2 changed slightly. The side effects at this dosage consisted of those occurring at the dosage of 20ng/kg.min-1 as well as hypotension and tachycardia. These results showed that PGE1 at a dosage of 20ng/kg.min-1 is effective, well-tolerated and yields less side effects.

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