ASIA unversity:Item 310904400/8579
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    題名: Variation Analysis of Sphygmogram to Assess Cardiovascular System under Meditation
    作者: Liu, CY (Liu, Chuan-Yi);Wei, CC (Wei, Ching-Chuan);Lo, PC (Lo, Pei-Chen)
    貢獻者: Department of Computer and Communication Engineering
    關鍵詞: blood pressure waveform;cardiovascular system;meditation;sphygmogram;PULSE-WAVE ANALYSIS;OLDER AFRICAN-AMERICANS;STRESS REDUCTION;TRANSCENDENTAL-MEDITATION;HYPERTENSION;PRESSURE;TRIAL
    日期: 2009-05
    上傳時間: 2010-03-26 03:05:57 (UTC+0)
    出版者: Asia University
    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.
    關聯: EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE, 6 (1): 107-112
    顯示於類別:[光電與通訊學系] 期刊論文

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