血管扩张剂能松弛血管平滑肌，因此降低全身血管阻力。
Vasodilatory agents relax vascular smooth muscle, thereby reducing SVR.
由于全身血管阻力下降，瓣膜反流一直被认为对母体相对无害。
Because of the fall in systemic vascular resistance, valvular regurgitation has been regarded as relatively harmless for the mother.
使用哌唑嗪，平均心脏指数增加20％，全身血管阻力下降20％。
With prazosin, the average cardiac index increased (by) 20 percent and systemic vascular resistance decreased (by) 20 percent.
使用哌唑嗪，平均心脏指数增加20%，全身血管阻力下降20%。
With prazosin, the average cardiac index increased 20 percent and systemic vascular resistance decreased 20 percent.
妊娠期间，血容量和心输出量增加30- 50%，而全身血管阻力下降。
During pregnancy, plasma volume and cardiac output increase by 30-50%, while systemic vascular resistance is reduced.
甲状腺激素诱导的全身血管阻力的初始下降导致肾脏灌注减少，这增加肾素和醛固酮水平。
The initial decrease in systemic vascular resistance induced by thyroid hormones leads to decreased perfusion in the kidneys, which increases renin and aldosterone levels59.
全身血管阻力的这种降低也是直接抑制PLN表达和组织增加的结果代谢和甲状腺激素诱导的产热。
This decrease in systemic vascular resistance is also a result of the direct repression of PLN expression and the increase in tissue metabolism and thermogenesis induced by thyroid hormones56.
肝硬化性心肌病是肝硬化的并发症之一，主要表现为心脏舒张功能减低、心排血量增加、全身血管阻力降低。
Cirrhotic cardiomyopathy is one of the complications of liver cirrhosis which can be characterized by diastolic dysfunction, high cardiac output and decreased systemic vascular resistance.
甲状腺激素通过增加一氧化氮的产生和通过增加小动脉内的钙再摄取而降低全身血管阻力，这导致平滑肌松弛。
Thyroid hormones decrease systemic vascular resistance by increasing production of nitric oxide and by increasing calcium reuptake within the arterioles, which leads to smooth muscle relaxation55.
因为肺血管阻力过大，造成血流过少以致于到达全身器官的氧气减少。
Due to persistent high pressure in the pulmonary vessels, less than normal blood flows to the lungs and thus less oxygen reaches the organs of the body.
因为肺血管阻力过大，造成血流过少以致于到达全身器官的氧气减少。
Due to persistent high pressure in the pulmonary vessels, less than normal blood flows to the lungs and thus less oxygen reaches the organs of the body.
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