Objective To study the changes of plasmavolume, red cell mass, and blood volume in preoperative surgical patients.
目的研究不同外科疾病病人术前血浆量、红细胞量和血容量变化情况。
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Methods:To detect the plasma clearance rate of ICG, stagnation rate in 15 min, cardiac output, circulating bloodvolume and saturation of arterial blood oxygen and so on.