基于容积脉搏波的收缩压测量方法

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东北大学学报(自然科学版) ›› 2013, Vol. 34 ›› Issue (8): 1078-1081.DOI: -

基于容积脉搏波的收缩压测量方法

李晗，赵海，朱剑，李大舟

(东北大学信息科学与工程学院，辽宁沈阳110819)

收稿日期:2013-02-04 修回日期:2013-02-04 出版日期:2013-08-15 发布日期:2013-03-22
通讯作者: 李晗
作者简介:李晗(1984-)，男，辽宁锦州人，东北大学博士研究生；赵海(1959-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
辽宁省教育厅科学技术研究项目(L2010182)；中央高校基本科研业务费专项资金资助项目(N100304002).

Systolic Blood Pressure Measurement Based on Volume Pulse Wave

LI Han， ZHAO Hai， ZHU Jian， LI Dazhou

School of Information Science & Engineering， Northeastern University， Shenyang 110819， China.

Received:2013-02-04 Revised:2013-02-04 Online:2013-08-15 Published:2013-03-22
Contact: LI Han
About author:-
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摘要/Abstract

摘要： 利用脉搏波传播时间测量收缩压需要同时测量心电信号与脉搏波信号，这种方法不具备便携性；因此提出通过光电容积脉搏波测量脉搏波传播时间，进而无创连续测量收缩压的新方法.该方法是通过发射红光的透射式血氧指夹得到容积脉搏波，经过滤波、放大、数字信号处理后得到加速脉搏波，然后根据加速脉搏波的推进波与反射波之间的脉搏波传播时间建立其与收缩压的关系.系统通过ATmega128单片机与安卓手机来实现.针对个体的试验结果表明，该方法测量的收缩压与用电子血压计测量的收缩压有较好的一致性.

关键词: 容积脉搏波, 脉搏波传播时间, 收缩压, 无创血压测量, 安卓手机

Abstract: The method to measure blood pressure via pulse wave transit time(PWTT)requires monitoring ECG and pulse wave signals simultaneously， which has no portability. A new noninvasive method of measuring systolic blood pressure(SBP)continuously is therefore proposed， in which the PWTT can be obtained simply through volume pulse waves. The volume pulse waves were acquired by a blood oxygen probe with red light emitting diode， and then the accelerated pulse waves were gotten through filtering， amplifying and processing the signals. The PWTT between the progressive and reflected waves of the accelerated pulse waves was calculated and the SBP was calibrated. The system was implemented using the Android cell phone and ATmega128 MCU. The experimental results indicate that there is no obvious difference between the SBP measured by the new system and by an electronic sphygmomanometer with error less than 10 mmHg.

Key words: volume pulse wave, PWTT(pulse wave transit time), SBP(systolic blood pressure), noninvasive blood pressure measuring, Android cell phone

中图分类号:

TP399

李晗，赵海，朱剑，李大舟. 基于容积脉搏波的收缩压测量方法[J]. 东北大学学报(自然科学版), 2013, 34(8): 1078-1081.

LI Han， ZHAO Hai， ZHU Jian， LI Dazhou. Systolic Blood Pressure Measurement Based on Volume Pulse Wave[J]. Journal of Northeastern University, 2013, 34(8): 1078-1081.

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基于容积脉搏波的收缩压测量方法

Systolic Blood Pressure Measurement Based on Volume Pulse Wave

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