Compared with control group, the cardiac collagen volume fraction (CVF) did not increased until day 14th and developed continuously afterward.
与对照组比较，心肌胶原容积分数于术后14天方明显增加，并持续增高。
2
In patients with previously impaired left-cardiac function, both mechanisms have the potential for increasing central blood volume and eventually lung filtration pressure.
对曾有左心功能损害的病人，两种机制都可能增加中心血容量并且最终增加肺滤过压。
3
During pregnancy, plasma volume and cardiac output increase by 30-50%, while systemic vascular resistance is reduced.