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Developing the Effective Method of Spectral Harmonic Energy Ratio to Analyze the Arterial Pulse Spectrum

机译：开发有效的频谱谐波能量比方法来分析动脉脉搏频谱

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摘要

In this article, we analyze the arterial pulse in the spectral domain. A parameter, the spectral harmonic energy ratio (SHER), is developed to assess the features of the overly decreased spectral energy in the fourth to sixth harmonic for palpitation patients. Compared with normal subjects, the statistical results reveal that the mean value of SHER in the patient group (57.7 ± 27.9) is significantly higher than that of the normal group (39.7 ± 20.9) (P-value = .0066 < .01). This means that the total energy in the fourth to sixth harmonic of palpitation patients is significantly less than it is in normal subjects. In other words, the spectral distribution of the arterial pulse gradually decreases for normal subjects while it decreases abruptly in higher-order harmonics (the fourth, fifth and sixth harmonics) for palpitation patients. Hence, SHER is an effective method to distinguish the two groups in the spectral domain. Also, we can thus know that a “gradual decrease” might mean a “balanced” state, whereas an “abrupt decrease” might mean an “unbalanced” state in blood circulation and pulse diagnosis. By SHER, we can determine the ratio of energy distribution in different harmonic bands, and this method gives us a novel viewpoint from which to comprehend and quantify the spectral harmonic distribution of circulation information conveyed by the arterial pulse. These concepts can be further applied to improve the clinical diagnosis not only in Western medicine but also in traditional Chinese medicine (TCM).
机译：在本文中，我们分析了频谱域中的动脉脉冲。一个参数，频谱谐波能量比（SHER）被开发出来，以评估心lp患者在四到六次谐波中频谱能量过度下降的特征。与正常受试者相比，统计结果表明，患者组的SHER平均值（57.7±27.9）明显高于正常组（39.7±20.9）（P值= .0066 <.01）。这意味着心pa患者四次至六次谐波的总能量显着低于正常受试者。换句话说，对于正常人，动脉脉搏的频谱分布逐渐减小，而对于心pa患者，在高次谐波（第四，第五和第六谐波）中，它的频谱分布突然减小。因此，SHER是在光谱域中区分两组的有效方法。同样，我们因此可以知道，“逐渐减少”可能意味着“平衡”状态，而“突然减少”可能意味着血液循环和脉搏诊断中的“不平衡”状态。通过SHER，我们可以确定不同谐波频带中能量分布的比率，该方法为我们提供了一个新颖的观点，可以据此理解和量化由动脉脉冲传递的循环信息的频谱谐波分布。这些概念不仅可以在西医而且可以在中医（TCM）中进一步用于改善临床诊断。

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