• Detrended fluctuation analysis of heart rate by means of symbolic series 

    Valencia Murillo, José Fernando; Vallverdú Ferrer, Montserrat; Schroeder, Rico; Voss, Andreas; Cygankiewicz, I.; Vazquez, R.; Bayes de Luna, Antonio; Caminal Magrans, Pere (2010)
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    Detrended fluctuation analysis (DFA) has been shown to be a useful tool for diagnosis of patients with cardiac diseases. The scaling exponents obtained with DFA are an indicator of power-law correlations in signal ...
  • Heart rate variability characterized by refined multiscale entropy applied to cardiac death in ischemic cardiomyopathy patients 

    Caminal Magrans, Pere; Valencia Murillo, José Fernando; Vallverdú Ferrer, Montserrat; Schroeder, Rico; Cygankiewicz, I.; Vázquez, Rafael; Bayes de Luna, Antonio; Porta, Alberto; Voss, Andreas (2010)
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    In this work, Refined Multiscale Entropy (RMSE) was applied to characterize risk of cardiac death in ischemic cardiomyopathy patients, analyzing heart rate variability (HRV) by means of RR series during daytime and ...
  • Segmented Symbolic Dynamics for Risk Stratification in Patients with Ischemic Heart Failure, Cardiovascular Engineering and Technology 

    Voss, Andreas; Schroeder, Rico; Caminal Magrans, Pere; Vallverdú Ferrer, Montserrat; Brunel, Helena; Cygankiewicz, I.; Vázquez, Rafael; Bayes de Luna, Antonio (Springer, 2010-12-30)
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    Chronic heart failure (CHF) is recognized as major and escalating public health problem. Approximately 69% of CHF patients suffer from cardiac death within 5 years after the initial diagnosis. Until now, no generally accepted ...
  • Symbolic dynamic analysis of relations between cardiac and breathing cycles in patients on weaning trials 

    Caminal Magrans, Pere; Giraldo Giraldo, Beatriz; Vallverdú Ferrer, Montserrat; Benito Vales, Salvador; Schroeder, Rico; Voss, Andreas (2010)
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    Traditional time-domain techniques of data analysis are often not sufficient to characterize the complex dynamics of the cardiorespiratory interdependencies during the weaning trials. In this paper, the interactions between ...