Fraction of reverse impedance change (FRIC): a quantitative electrical impedance tomography measure of intrapulmonary pendelluft.

IF 2.3 4区 医学 Q3 BIOPHYSICS Physiological measurement Pub Date : 2024-10-28 DOI:10.1088/1361-6579/ad7fca
Andy Adler, Tobias Becher, Claas Händel, Inéz Frerichs
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Abstract

Objective. Pendelluft is the movement of air between lung regions, and electrical impedance tomography (EIT) has shown an ability to detect and monitor it.Approach.In this note, we propose a functional EIT measure which quantifies the reverse airflow seen in pendelluft: theFraction of Reverse Impedance Change(FRIC).MainResults. FRIC measures the fraction of reverse flow in each pixel waveform (as an image) or globally (as a single parameter).Significance. Such a measure is designed to be a more specific measure than previous approaches, to enable comparative studies of the pendelluft, and to help clarify the effect of ventilation strategies.

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反向阻抗变化分量(FRIC):肺内垂体的定量电阻抗断层扫描测量方法。
垂流是指空气在肺部区域之间的流动,EIT 已显示出探测和监测垂流的能力。在本说明中,我们提出了一种功能性 EIT 测量方法,可量化垂流中出现的反向气流:反向阻抗变化分数 (FRIC)。FRIC 测量每个像素波形(作为图像)或全局(作为单一参数)中的反向气流比例。这种测量方法比以前的方法更加具体,可以对垂尾进行比较研究,并有助于明确通气策略的效果。
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来源期刊
Physiological measurement
Physiological measurement 生物-工程:生物医学
CiteScore
5.50
自引率
9.40%
发文量
124
审稿时长
3 months
期刊介绍: Physiological Measurement publishes papers about the quantitative assessment and visualization of physiological function in clinical research and practice, with an emphasis on the development of new methods of measurement and their validation. Papers are published on topics including: applied physiology in illness and health electrical bioimpedance, optical and acoustic measurement techniques advanced methods of time series and other data analysis biomedical and clinical engineering in-patient and ambulatory monitoring point-of-care technologies novel clinical measurements of cardiovascular, neurological, and musculoskeletal systems. measurements in molecular, cellular and organ physiology and electrophysiology physiological modeling and simulation novel biomedical sensors, instruments, devices and systems measurement standards and guidelines.
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Interhemispheric asynchrony of NREM EEG at the beginning and end of sleep describes evening vigilance performance in patients undergoing diagnostic polysomnography. Assessment of arteriosclerosis based on lognormal fitting. Sulfur hexafluoride multiple breath washin and washout outcomes in infants are not interchangeable. Fraction of reverse impedance change (FRIC): a quantitative electrical impedance tomography measure of intrapulmonary pendelluft. Corrigendum: Highly comparative time series analysis of oxygen saturation and heart rate to predict respiratory outcomes in extremely preterm infants (2024Physiol. Meas. 45 055025).
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