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用XXG—E型心血管功能诊断仪对96例临界高血压(BH)患者的心功能进行了测定。结果表明青年BH患者PR、SV、CO较对照组增(P<0.05或0.01)。提示青年BH患者存在高动力循环表现,左心室射血速度、左心室收缩力及每分输出量增加。而老年BH患者则表现为AC降低以及MSP、TPR、VER增加。本文认为老年BH患者心输出量下降、动脉压及总外周阻力增加可能与老年人动脉壁中层增厚、胶原、弹力纤维增生、钙含量增加等有关。
Cardiac function was measured in 96 patients with critical hypertension (BH) using XXG-E cardiovascular diagnostic apparatus. The results showed that young BH patients PR, SV, CO increased compared with the control group (P <0.05 or 0.01). Prompted young BH patients with hyperkinetic performance, left ventricular ejection velocity, left ventricular contractility and increased output per minute. The elderly patients with BH showed decreased AC and MSP, TPR, VER increased. This paper argues that elderly patients with cardiac output decreased cardiac output, arterial pressure and total peripheral resistance may be related to the elderly with thickening of the middle artery wall, collagen, elastic fiber proliferation, increased calcium content.