Biomedical signal processing and modeling in cardiovascular systems

Giuseppe Baselli, Enrico Caiani, Alberto Porta, Nicola Montano, Maria Gabriella Signorini, Sergio Cerutti

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

This article revisits the subject of short-term heart-rate and arterial-pressure variability from the perspective of model structures that can be useful in defining signal processing algorithms. We draw a general scheme of the oscillation sources and interactions that contribute to cardiovascular control mechanisms and highlight the elements that were considered in different modeling works. The origin, superposition, and interaction of respiratory high-frequency (HF) and vasomotor low-frequency (LF) rhythms is presented as the integration of supraspinal and spinal circuits, vasomotor activity, and pressure control loops. We analyze in detail the necessity of considering all relevant interactions for the algorithms designed to estimate the baroreflex sensitivity. We also pinpoint the components of cardiorespiratory coupling in relation to the analysis of data from the acoustic quantification of the left ventricular volume. Finally, we analyze the tendency to produce complex behaviors even in extremely simplified systems involving interactions between oscillatory mechanisms.

Original languageEnglish
Pages (from-to)55-84
Number of pages30
JournalCritical Reviews in Biomedical Engineering
Volume30
Issue number1-3
DOIs
Publication statusPublished - 2002

Fingerprint

Cardiovascular system
Pressure control
Model structures
Signal processing
Acoustics
Networks (circuits)
Biomedical signal processing

Keywords

  • Baroreflex mechanisms
  • Cardiorespiratory coupling
  • Cardiovascular autonomic control
  • Cardiovascular variability
  • Vasomotion

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Biomedical signal processing and modeling in cardiovascular systems. / Baselli, Giuseppe; Caiani, Enrico; Porta, Alberto; Montano, Nicola; Signorini, Maria Gabriella; Cerutti, Sergio.

In: Critical Reviews in Biomedical Engineering, Vol. 30, No. 1-3, 2002, p. 55-84.

Research output: Contribution to journalArticle

Baselli, Giuseppe ; Caiani, Enrico ; Porta, Alberto ; Montano, Nicola ; Signorini, Maria Gabriella ; Cerutti, Sergio. / Biomedical signal processing and modeling in cardiovascular systems. In: Critical Reviews in Biomedical Engineering. 2002 ; Vol. 30, No. 1-3. pp. 55-84.
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