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Updated: Apr 26, 2026
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Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
Published on: September 16, 2019
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Should we breathe quiet or noisy?
Critical Care (London, England)
|July 17, 2014
Summary
Noisy pressure support ventilation (PSV) increases breathing variability in patients but does not improve cardio-pulmonary function. Further research is needed to explore noisy PSV
Area of Science:
- Critical Care Medicine
- Respiratory Physiology
- Biomedical Engineering
Background:
- Mechanical ventilation is crucial for critically ill patients.
- Pressure support ventilation (PSV) is a common mode.
- Optimizing ventilator settings is essential for patient outcomes.
Purpose of the Study:
- To investigate the effects of noisy pressure support ventilation (PSV) on patient physiology.
- To compare noisy PSV with conventional PSV in a patient cohort.
Main Methods:
- Computer-generated random levels of pressure assistance were used to introduce external noise.
- Noisy PSV was applied to patients requiring ventilatory support.
- Tidal volume variability and cardio-pulmonary function were assessed.
Main Results:
- Noisy PSV was associated with significantly higher tidal volume variability compared to conventional PSV.
- No significant improvements in cardio-pulmonary function were observed with noisy PSV.
- Patient tolerance and physiological responses were monitored.
Conclusions:
- Noisy PSV increases respiratory system complexity but does not enhance cardio-pulmonary performance.
- The clinical utility of noisy PSV in managing critically ill patients remains uncertain.
- Further investigation is warranted to determine the potential benefits and risks of noisy PSV.
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