结果与结论：肺动脉高压的特点是肺血管阻力进行性增加，最终导致右心衰竭和死亡。
RESULTS & CONCLUSION: The feature of PAH is that pulmonary vascular resistance progressively increases, and finally leads to right heart failure and death.
肺血管是压力反射效应器的一部分，立位应激时的压力反射很大程度上控制着肺循环的阻力和容量。
Pulmonary vascular is an effector of baroreceptor reflex, which can exert significant control of pulmonary resistance and capacitance after orthostatic challenge.
PAF增高肺血管压力和阻力的机制不是通过抑制EDRF合成的途径，EDRF不能阻断PAF引起的肺血管张力升高。
The mechanism by which PAF increased pulmonary vascular pressure and resistance was not through inhibition of EDRF synthesis. EDRF did not block PAF-induced changes in pulmonary vascular tone.
结果和结论：吸入性伊洛前列素治疗可以降低肺血管阻力和延缓原发性肺动脉高压的进程。
Results and Conclusion: Inhaled iloprost can reduce pulmonary vascular resistance and delay the development of primary pulmonary hypertension.
肺高压主要是指肺部血管压力和阻力的持续性升高，最终可导致患者心脏及肺部衰竭。
Pulmonary hypertension (often shortened to PH) is a serious condition where the blood pressure in the pulmonary arteries is high. This causes progressive damage to the heart and lungs.
肺高压主要是指肺部血管压力和阻力的持续性升高，最终可导致患者心脏及肺部衰竭。
Pulmonary hypertension (often shortened to PH) is a serious condition where the blood pressure in the pulmonary arteries is high. This causes progressive damage to the heart and lungs.
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