• 1. College of Physics and Electronic Information Science, Inner Mongolia Normal University, Hohhot 010022, China;
  • 2. College of Electronics and Information Engineering, Inner Mongolia University, Hohhot 010021, China;
  • 3. College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China;
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Artery stiffness is a main factor causing the various cardiovascular diseases in physiology and pathology. Therefore, the development of the non-invasive detection of arteriosclerosis is significant in preventing cardiovascular problems. In this study, the characterized parameters indicating the vascular stiffness were obtained by analyzing the electrocardiogram (ECG) and pulse wave signals, which can reflect the early change of vascular condition, and can predict the risk of cardiovascular diseases. Considering the coupling of ECG and pulse wave signals, and the association with atherosclerosis, we used the ECG signal characteristic parameters, including RR interval, QRS wave width and T wave amplitude, as well as the pulse wave signal characteristic parameters (the number of peaks, 20% main wave width, the main wave slope, pulse rate and the relative height of the three peaks), to evaluate the samples. We then built an assessment model of arteriosclerosis based on Adaptive Network-based Fuzzy Interference System (ANFIS) using the obtained forty sets samples data of ECG and pulse wave signals. The results showed that the model could noninvasively assess the arteriosclerosis by self-learning diagnosis based on expert experience, and the detection method could be further developed to a potential technique for evaluating the risk of cardiovascular diseases. The technique will facilitate the reduction of the morbidity and mortality of the cardiovascular diseases with the effective and prompt medical intervention.

Citation: ZHANGLina, ZHOURunjing, WUPei, LIUMeiling, ZHANGJue. Study on Non-invasive Detection of Atherosclerosis Based on Electrocardiogram and Pulse Wave Signals. Journal of Biomedical Engineering, 2016, 33(4): 631-638, 644. doi: 10.7507/1001-5515.20160105 Copy

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