2019
DOI: 10.3389/fneur.2019.00545
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Spectral Analysis of Heart Rate Variability: Time Window Matters

Abstract: Spectral analysis of heart rate variability (HRV) is a valuable tool for the assessment of cardiovascular autonomic function. Fast Fourier transform and autoregressive based spectral analysis are two most commonly used approaches for HRV analysis, while new techniques such as trigonometric regressive spectral (TRS) and wavelet transform have been developed. Short-term (on ECG of several minutes) and long-term (typically on ECG of 1–24 h) HRV analyses have different advantages and disadvantages. This article re… Show more

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Cited by 138 publications
(120 citation statements)
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References 103 publications
(153 reference statements)
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“…Recently developed time-and frequency-domain analyses further enhance the ability of HRV analysis to track active changes in cardiovascular autonomic function. These analyses are likely to become part of future diagnostic criteria for CFS/ME and may serve as a surrogate endpoint marker in clinical trials [2,3].…”
Section: Introductionmentioning
confidence: 99%
“…Recently developed time-and frequency-domain analyses further enhance the ability of HRV analysis to track active changes in cardiovascular autonomic function. These analyses are likely to become part of future diagnostic criteria for CFS/ME and may serve as a surrogate endpoint marker in clinical trials [2,3].…”
Section: Introductionmentioning
confidence: 99%
“…early, confirmed and severe CAN remains useful [47][48][49] but an 'autonomic neuropathy score' -obtained by scoring the results of CARTs -is advised because of its dual advantage of evaluating the progression of CAN and providing an overall quantitative result 46 . Secondly, HRV monitoring is a valuable tool for assessing cardiovascular autonomic function, with some researchers even claiming that it is the most sensitive and specific method 50,51 .…”
Section: Can Diagnosis: Clear Cut Case or Tricky Business?mentioning
confidence: 99%
“…Heart rate variability (HRV) analysis is a noninvasive measure of the cardiac ANS modulation, which is widely used to reflect heart-brain interactions [25,26]. Since 1996, when the Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology published standards of measurement, physiological interpretation, and clinical use of HRV [25], a large number of research and methodological papers in the area of HRV have been published [27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46]. In general terms, reduced HRV indicates ANS imbalance and a poor prognosis in patients with a variety of clinical conditions [47][48][49][50].…”
Section: Introductionmentioning
confidence: 99%
“…Data reduction/replication and cleaning procedure should be explained and justified. All abnormal beats (i.e., not generated by sinus node depolarization) and artifacts (e.g., missed or spurious beats) should be identified and properly processed [27,33,35,39,45,97,98].…”
mentioning
confidence: 99%
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