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本文采用心阻抗微分图(ICG),对慢性心衰患者的血流动力学变化进行检测。在心功能Ⅰ级时,风心病组与健康组相比,各参数均下降,P<0.01;非瓣膜性心脏病组与健康组相比,差异无显著性,两病变组相比,心排血量、血管顺应性、总外周阻力之差异有显著性。随着心衰加重,两病变组间差异无显著性,与健康组相比,差异均有显著性。表明ICG能在一定程度上反映慢性心衰患者的血流动力学变化。
In this paper, cardiac impedance differential graph (ICG) was used to detect hemodynamic changes in patients with chronic heart failure. Compared with the healthy group, the parameters of rheumatic heart disease group were all decreased (P <0.01), and there was no significant difference between the non-valvular heart disease group and the healthy group Volume, vascular compliance, total peripheral resistance differences were significant. With the worsening of heart failure, there was no significant difference between the two groups, which was significantly different from the healthy group. ICG can reflect to some extent, hemodynamic changes in patients with chronic heart failure.