CVRanalysis: a free software for analyzing cardiac, vascular and respiratory interactions
Vincent Pichot1, Christophe Corbier2, Florian Chouchou3
1SAINBIOSE U1059, Inserm, Saint-Etienne Jean-Monnet University, Clinical Physiology and Exercise, CHU of Saint-Etienne, Saint-Etienne, France.
Frontiers in Physiology
|January 22, 2024
Summary
This study introduces CVRanalysis, free software for analyzing cardiorespiratory interactions. It offers comprehensive tools for autonomic nervous system evaluation in diverse research and clinical settings.
Area of Science:
- Physiology
- Medical Informatics
- Biomedical Engineering
Background:
- Simultaneous beat-to-beat analysis of R-R intervals, blood pressure, and respiration is crucial for evaluating autonomic cardiovascular and cardiorespiratory regulation.
- Established analyses include heart rate variability, blood pressure variability, baroreflex sensitivity, time-frequency analysis, and Granger causality.
- These methods are applied across various populations and conditions, from clinical predictions to neurophysiological studies.
Purpose of the Study:
- To introduce CVRanalysis, a free software tool designed for analyzing cardiac, vascular, and respiratory interactions.
- To provide a user-friendly graphical interface suitable for laboratory research requirements.
- To facilitate comprehensive physiological regulatory mechanism scrutiny through advanced analytical techniques.
Main Methods:
- CVRanalysis accepts both preprocessed beat-to-beat data (R-R, BP, respiration) and raw physiological waveforms (ECG, continuous BP, respiration).
- Includes tools for beat detection, correction, and event setting, supporting large cohort studies with batch processing.
- Offers a wide scope of analyses: heart rate variability, cardiac coherence, blood pressure variability, baroreflex sensitivity, time-frequency analysis, and Granger causality.
Main Results:
- CVRanalysis provides a user-friendly interface for analyzing complex cardiorespiratory interactions.
- The software supports diverse data inputs and offers advanced analytical capabilities for physiological research.
- Results can be visualized as figures or exported to text files for further statistical analysis.
Conclusions:
- CVRanalysis is a freely available, standalone software application for Windows 64-bit systems.
- It requires no programming skills or MATLAB installation, making advanced physiological analysis accessible.
- The software aims to support research and clinical evaluation of autonomic regulation through integrated analysis of cardiac, vascular, and respiratory signals.
Keywords:
Granger causalityautonomic nervous systembaroreflexcardiorespiratorycardiovascularheart rate variabilityMore Related Videos
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