时变条件下和存在干扰因素时的心率变异性频谱分析

IF 17.2 1区 工程技术 Q1 ENGINEERING, BIOMEDICAL
Leif Sörnmo;Raquel Bailón;Pablo Laguna
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引用次数: 0

摘要

近年来,对心率变异性(HRV)进行频谱分析的工具有了很大发展,重点是处理时变条件和混杂因素。长期以来,时频分析在心率变异分析中占据重要地位,但这种技术无法单独处理随时间变化的平均心率或呼吸频率。频带重叠是产生精确频谱测量的另一个关键条件,需要加以解决。本调查通过简述不同方法的主要原理,全面介绍了旨在处理这些条件和因素的技术。有几种方法源自数学/统计模型,表明该模型可用于模拟用于性能评估的数据。许多最新方法的另一个特点是加入了呼吸信号,无论是测量的还是推导的,例如,用于指导心率变异信号的分解,以便分析与呼吸有关或无关的信号。结论是,有必要开发新的方法来处理时变情况,并对技术和生理/临床方面的性能进行基准评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spectral Analysis of Heart Rate Variability in Time-Varying Conditions and in the Presence of Confounding Factors
The tools for spectrally analyzing heart rate variability (HRV) has in recent years grown considerably, with emphasis on the handling of time-varying conditions and confounding factors. Time–frequency analysis holds since long an important position in HRV analysis, however, this technique cannot alone handle a mean heart rate or a respiratory frequency which vary over time. Overlapping frequency bands represents another critical condition which needs to be dealt with to produce accurate spectral measurements. The present survey offers a comprehensive account of techniques designed to handle such conditions and factors by providing a brief description of the main principles of the different methods. Several methods derive from a mathematical/statistical model, suggesting that the model can be used to simulate data used for performance evaluation. The inclusion of a respiratory signal, whether measured or derived, is another feature of many recent methods, e.g., used to guide the decomposition of the HRV signal so that signals related as well as unrelated to respiration can be analyzed. It is concluded that the development of new approaches to handling time-varying scenarios are warranted, as is benchmarking of performance evaluated in technical as well as in physiological/clinical terms.
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来源期刊
IEEE Reviews in Biomedical Engineering
IEEE Reviews in Biomedical Engineering Engineering-Biomedical Engineering
CiteScore
31.70
自引率
0.60%
发文量
93
期刊介绍: IEEE Reviews in Biomedical Engineering (RBME) serves as a platform to review the state-of-the-art and trends in the interdisciplinary field of biomedical engineering, which encompasses engineering, life sciences, and medicine. The journal aims to consolidate research and reviews for members of all IEEE societies interested in biomedical engineering. Recognizing the demand for comprehensive reviews among authors of various IEEE journals, RBME addresses this need by receiving, reviewing, and publishing scholarly works under one umbrella. It covers a broad spectrum, from historical to modern developments in biomedical engineering and the integration of technologies from various IEEE societies into the life sciences and medicine.
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