2006
DOI: 10.1007/s11517-005-0015-z
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Permutation entropy improves fetal behavioural state classification based on heart rate analysis from biomagnetic recordings in near term fetuses

Abstract: The relevance of the complexity of fetal heart rate fluctuations with regard to the classification of fetal behavioural states has not been satisfyingly clarified so far. Because of the short behavioural states, the permutation entropy provides an advantageous complexity estimation leading to the Kullback-Leibler entropy (KLE). We test the hypothesis that parameters derived from KLE can improve the classification of fetal behaviour states based on classical heart rate fluctuation parameters (SDNN, RMSSD, ln(LF… Show more

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Cited by 116 publications
(109 citation statements)
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“…A very related information measure, 1 − P E norm , called normalized Kullback-Leibler entropy (KLE) was introduced in [19]. It quantifies the distance between the ordinal pattern probability distribution and the uniform distribution.…”
Section: The Permutation Entropymentioning
confidence: 99%
“…A very related information measure, 1 − P E norm , called normalized Kullback-Leibler entropy (KLE) was introduced in [19]. It quantifies the distance between the ordinal pattern probability distribution and the uniform distribution.…”
Section: The Permutation Entropymentioning
confidence: 99%
“…Several indices, such as the Lyapunov exponent (Eckmann & Ruelle 1985), the Hausdorff dimension D (Eckmann & Ruelle 1985;Babyloyantz & Destexhe 1988), the correlation dimension D 2 (Grassberger & Procaccia 1983a;Eckmann & Ruelle 1985), Kolmogorov entropy K (Grassberger & Procaccia 1983b), nonlinear predictability (Porta et al 2000), the wavelet transform modulus maxima (Ohashi et al 2003), time asymmetry/irreversibility parameters (Costa et al 2005;Porta et al 2008) and the permutation entropy (Frank et al 2006), have been used to estimate the complexity of time series, but the clinical applicability of these methods has not been well established. The below-mentioned measurements of entropy are the nonlinear complexity measures of HRV that are most widely studied in clinical settings.…”
Section: Complexity Measures Of Hrvmentioning
confidence: 99%
“…We have tested different orders for PE between 3 and 7 and delays of 2 and 3 as indicated in [15] for HRV applications. One-way analysis of variance is calculated for PE with different orders and delays (Table 1).…”
Section: Resultsmentioning
confidence: 99%
“…In this sense, some publications [13][14][15], have reported the use of PE in the study of heart rate variability.…”
Section: Permutation Entropymentioning
confidence: 99%
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