標題: Variation Analysis of Sphygmogram to Assess Cardiovascular System under Meditation
作者: Liu, Chuan-Yi
Wei, Ching-Chuan
Lo, Pei-Chen
電控工程研究所
電信工程研究所
Institute of Electrical and Control Engineering
Institute of Communications Engineering
關鍵字: blood pressure waveform;cardiovascular system;meditation;sphygmogram
公開日期: 1-三月-2009
摘要: In this article, we studied how meditation affects the characteristics of the cardiovascular system, mainly based on blood pressure waveforms (BPW). Four parameters derived from BPW include the rising slope (h(1)/t(1)), normalized height of T wave (h(3)/h(1)), normalized height of V(3) valley (h(4)/h(1)) and normalized height of D wave (h(5)/h(1)), where t(1) and h(i), i 1, ,5 are quantitative features of the BPW waveform pattern. A larger value of h(1)/t(1) reflects better heart ejection ability and aorta compliance. A larger value of h(3)/h(1) may infer an arterial system with good elasticity. The decrease (increase) of h(4)/h(1) parameter indicates the decrease (increase) of peripheral resistance of vessels. A larger value of h(5)/h(1) indicates better artery elasticity and aortic valve function. In comparison with the control group, Zen-meditation practitioners have more after-meditation h(1)/t(1), h(3)/h(1) and h(5)/h(1) increase, with more h(4)/h(1) decrease, with statistical significance (P 0.05). The observation allows us to infer that Zen meditation may effectively improve relevant characteristics of the cardiovascular system.
URI: http://dx.doi.org/10.1093/ecam/nem065
http://hdl.handle.net/11536/7525
ISSN: 1741-427X
DOI: 10.1093/ecam/nem065
期刊: EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE
Volume: 6
Issue: 1
起始頁: 107
結束頁: 112
顯示於類別:期刊論文


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