Normalized correlation dimension for heart rate variability analysis
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Corinna Raab
Abstract
In this paper we use the concept of large-scale dimension densities to analyze heart rate variability data. This method uses a normalized Grassberger-Procaccia algorithm and estimates the dimension in the rather large scales of the system. This enables us to analyze very short data. First we reanalyze data from the CIC 2002 challenge and can completely distinguish between real data and computer-generated data using only one parameter. We then analyze unfiltered data for 15 patients with atrial fibrillation (AF), 15 patients with congestive heart failure (CHF), 15 elderly healthy subjects, and 18 young healthy subjects. This method can completely separate the AF group from the other groups and the CHF patients show significant differences compared to the young and elderly healthy volunteers. Furthermore, differences are evident in the dimensionality between day and night for healthy persons, but not for the CHF patients. Finally, the results are compared to standard heart rate variability parameters.
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©2006 by Walter de Gruyter Berlin New York
Articles in the same Issue
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- Complexity of heart rate fluctuations in near-term sheep and human fetuses during sleep
- Differences between heart rate and blood pressure variability in schizophrenia
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Articles in the same Issue
- ESGCO 2006 Conference and Meeting of the European Study Group on Cardiovascular Oscillations, Jena, Germany, May 15–17, 2006
- Cardiovascular Oscillations: from methods and models to clinical applications
- Circadian and ultradian rhythms in heart rate variability
- Influence of age, body mass index, and blood pressure on the carotid intima-media thickness in normotensive and hypertensive patients
- Multivariate and multidimensional analysis of cardiovascular oscillations in patients with heart failure
- Multivariate and multiorgan analysis of cardiorespiratory variability signals: the CAP sleep case
- Role of the autonomic nervous system in generating non-linear dynamics in short-term heart period variability
- Non-linear dynamic analysis of the cardiac rhythm during transient myocardial ischemia
- Complex autonomic dysfunction in cardiovascular, intensive care, and schizophrenic patients assessed by autonomic information flow
- Low HRV entropy is strongly associated with myocardial infarction
- Revisiting the potential of time-domain indexes in short-term HRV analysis
- Fractal dimension in health and heart failure
- Spatiotemporal correlation analyses: a new procedure for standardisation of DC magnetocardiograms
- Changes in heart rate variability of athletes during a training camp
- The missing link between cardiovascular rhythm control and myocardial cell modeling
- Model of the sino-atrial and atrio-ventricular nodes of the conduction system of the human heart
- Modelling long-term heart rate variability: an ARFIMA approach
- Clinical correlates of non-linear indices of heart rate variability in chronic heart failure patients
- Recurrence analysis of nocturnal heart rate in sleep apnea patients
- Normalized correlation dimension for heart rate variability analysis
- Complexity of heart rate fluctuations in near-term sheep and human fetuses during sleep
- Differences between heart rate and blood pressure variability in schizophrenia
- Influence of sympathetic vascular regulation on heart-rate scaling structure: spinal cord lesion as a model of progressively impaired autonomic control
- Increase in regularity of fetal heart rate variability with age
- Fetal heart rate variability in growth restricted fetuses
- Frequency modulation between low- and high-frequency components of the heart rate variability spectrum
- Mixed predictability and cross-validation to assess non-linear Granger causality in short cardiovascular variability series
- Assessment of spatial organization in the atria during paroxysmal atrial fibrillation and adrenergic stimulation
- Attenuated autonomic function in multiple organ dysfunction syndrome across three age groups
- Central vasopressin V1a and V1b receptors modulate the cardiovascular response to air-jet stress in conscious rats
- Heart rate asymmetry by Poincaré plots of RR intervals
- Analyses of cardiovascular oscillations for enhanced diagnosis and risk stratification in cardiac diseases and disorders
