JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (6): 36-40.

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Non-invasive measurement of blood fluidity in vivo

SUN Xin, LIU Chang-chun, ZHAO Yu-juan, WANG Xin-pei   

  1. School of Control Science and Engineering, Shandong University, Jinan 250061, China
  • Received:2010-10-12 Online:2010-12-16 Published:2010-10-12

Abstract:

Reduction of blood fluidity is an important risk factor for atherosclerosis and cardiovascular diseases. Frequent examination of blood fluidity has a great significance on prevention of cardiovascular diseases. A hemodynamic model of the vascular system of the upper limb was established. Based on the analysis of the decay of arterial static pressure, the blood fluidity index F was used to represent the blood fluidity in vivo. Using a function approximation method, the blood fluidity index F was calculated. Results of the experiment indicated that the method and the measurement system had  good reproducibility and  performed  well in terms of  sensitivity and  specificity.

Key words:  blood fluidity, noninvasive, in vivo

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