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Respiratory variability and associated cardiovascular changes in adults at rest
J G van den Aardweg1, J M Karemaker
1Department of Internal Medicine, Academisch Medisch Centrum, Amsterdam, The Netherlands.
Clinical Physiology (Oxford, England)
|March 1, 1991
Summary
Analyzing breath-to-breath variations reveals deterministic patterns in respiratory variability. This research enhances understanding of cardiorespiratory regulation in both healthy individuals and those with conditions like sleep apnea.
Area of Science:
- Cardiorespiratory Physiology
- Systems Biology
- Medical Physics
Background:
- Breathing patterns and circulatory fluctuations offer insights into regulatory mechanisms and mechanical influences.
- Understanding these patterns is crucial for both normal physiological and pathological conditions.
Purpose of the Study:
- To review literature on breath-to-breath respiratory variability in adults.
- To explore methods for recognizing deterministic patterns in seemingly random respiration.
- To investigate the impact of respiratory variability on circulation and cardiovascular regulation.
Main Methods:
- Literature evaluation of studies on respiratory variability.
- Analysis of deterministic patterns in breath-to-breath variations.
- Examination of time-series relationships between respiratory and circulatory parameters.
Main Results:
- Deterministic patterns are often discernible in respiratory variability, even when respiration appears random.
- Respiratory variability influences cardiovascular regulation.
- Analysis of cardiorespiratory interactions aids understanding of cardiovascular disturbances.
Conclusions:
- Studying respiratory variability enhances knowledge of cardiorespiratory regulatory mechanisms.
- This analysis provides insights into cardiovascular regulation and disturbances, particularly in conditions like Cheyne-Stokes respiration, snoring, and sleep apnea syndrome.