Experimental Investigation of Possibility of Simultaneously
Monitoring Lung Perfusion/Cardiomotility and Ventilation via
Thoracic Impedance Measurement

doi:10.1007/s12204-023-2639-2

Abstract

Abstract: Impedance pneumography has a significant advantage for continuous and noninvasive monitoring of respiration, compared with conventional flowmeter-based ventilation measurement technologies. While thoracic impedance is sensitive to pulmonary ventilation, it is also sensitive to physiological activities such as blood flow and cardiomotility, in addition, body movement/posture. This paper explores the possibility of simultaneously monitoring pulmonary ventilation, blood circulation and cardiomotility by bioimpedance measurement. Respiratory, blood perfusion and cardiomotility signals are extracted using the wavelet method from thoracic impedance data measured in breath-holding and tidal breathing statuses, to investigate signal strength and their dependency. This research provides a foundation for the development of bedside devices to monitor various physiological activities.

Key words: impedance pneumography, respiration, blood perfusion, cardiomotility, wavelet analysis

摘要： 与传统的基于流量计的肺通气测量技术相比，呼吸阻抗描记技术在连续、无创监测呼吸方面具有显著优势。胸阻抗信号不仅对肺通气状况敏感，也对血液流动与心脏运动等生理活动和身体动作/姿势变化敏感。本文探究了通过生物阻抗测量对肺通气、血液循环和心脏运动进行同步监测的可行性。采用小波分析方法从屏气状态和潮式呼吸状态下测得的胸阻抗数据中提取出呼吸信号、血液灌注信号和心脏运动信号，并对信号强度及其与生理状况相关性进行探究。这项研究为开发用于监测各种生理活动的临床设备提供了基础。

关键词: 阻抗呼吸描记，呼吸，血液灌注，心脏运动，小波分析

CLC Number:

TH776
R444

BAI Zixuan ¹(白子轩), MA Yixin^1，2∗(马艺馨), KONG Zhibin³(孔志斌),XUE Shan⁴ (薛珊). Experimental Investigation of Possibility of Simultaneously Monitoring Lung Perfusion/Cardiomotility and Ventilation via Thoracic Impedance Measurement[J]. J Shanghai Jiaotong Univ Sci, 2025, 30(1): 81-90.

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Experimental Investigation of Possibility of Simultaneously Monitoring Lung Perfusion/Cardiomotility and Ventilation via Thoracic Impedance Measurement

基于胸阻抗测量的肺灌注/心脏运动和肺通气同步监测可行性实验研究

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