... 中国妇产科网 室射血分数(left ventricular stroke work index,LSWI)的下降,全身血管阻力(systemic vascular resistance,SVR)下降,肺动脉压(pulmonary artery pressure,PAP)和肺血管阻力(pulmo..
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目的 :应用经食管超声多普勒血液动力学监测仪 ,观察液体治疗时每搏量 (SV)与全身血管阻力 (TSVR)的变化 ,并分析两者的相关性 . 方法 :36例 2 9~ 5 7岁 ,ASAI~II级、择期行非心脏手术患者随机分为对照组和治疗组 .
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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.
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