年龄对利用脉搏波估计心率和心率变异性的准确性的影响
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国家自然科学基金青年基金项目(61901461)


The Impact of Age on the Accuracy of Heart Rate and Heart Rate Variability Estimation Using Pulse Wave
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This work is supported by National Natural Science Foundation of China Youth Foundation Project (61901461)

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    摘要:

    由于测量简便,脉搏波被广泛用于替代心电计算心率和心率变异性,但其准确性颇受争议。该文探讨了年龄对利用脉搏波估计心率和心率变异性准确性的影响,实验招募了 100 名年龄广泛分布在 20~71 岁的健康者,同步采集静息脉搏波和心电图,利用脉搏波相邻峰值点的时间间隔序列,计算受试者的瞬时心率和心率变异性,并将其与利用心电相邻两个 R 波峰值点计算的心率/心率变异性(金标准)进行对比,计算利用脉搏波估计心率和心率变异性的误差。实验结果表明,心率估计误差在 40 岁以下的年轻人中较小(标准差在 0.3 搏/min 左右),在 40 岁以上的中老年人中较大(标准差在 0.7 搏/min 左右),时域的心率变异性参数的规律类似。因此,即使在静息条件下,利用脉搏波峰值点计算老年人的心率/心率变异性也要谨慎对待。

    Abstract:

    Due to the ease of measurement, pulse wave has been widely used as a substitute of electrocardiogram to calculate heart rate and heart rate variability in the wearable medical field. However, its accuracy is controversial. To explore the impact of age on the accuracy of heart rate and heart rate variability estimation using pulse wave, 100 healthy people with a wide age distribution at 20~71 were recruited. The resting pulse wave and electrocardiogram were collected synchronously, the instantaneous heart rate and heart rate variability were calculated using the time interval sequence of adjacent peak points of the pulse wave, and were compared with those calculated from the adjacent R wave peak points of the electrocardiogram (gold standard), the error in estimating heart rate and heart rate variability using pulse wave was calculated. Results showed that the estimation error of heart rate was smaller in young people under 40 ages (with standard deviation of about 0.3 bpm), and slightly larger in middle-aged and elderly people over 40 years old (with standard deviation of about 0.7 bpm). The time domain heart rate variability parameters showed a similar pattern. This study suggests that the use of pulse wave peaks to calculate heart rate/heart rate variability in elderly people should be treated with caution even under resting conditions.

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引文格式
邓新平,郑定昌,廖尚頔,等.年龄对利用脉搏波估计心率和心率变异性的准确性的影响 [J].集成技术,2022,11(6):57-66

Citing format
DENG Xinping, ZHENG Dingchang, LIAO Shangdi, et al. The Impact of Age on the Accuracy of Heart Rate and Heart Rate Variability Estimation Using Pulse Wave[J]. Journal of Integration Technology,2022,11(6):57-66

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  • 在线发布日期: 2022-11-28
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