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Adaptive non-invasive ventilation treatment for sleep apnea
Fleur T Tehrani1, James H Roum2
1Department of Electrical and Computer Engineering California State University Fullerton California USA.
Healthcare Technology Letters
|October 3, 2024
Summary
Two non-invasive ventilation methods, AVAPS NIV and PS NIV with CCARV, effectively normalized breathing during simulated sleep apnea episodes in both COPD and non-COPD patients.
Area of Science:
- Respiratory Medicine
- Biomedical Engineering
- Sleep Medicine
Background:
- Sleep apnea is a condition characterized by repeated breathing cessation during sleep.
- Non-invasive ventilation (NIV) is a treatment option for sleep apnea.
- Simulations are valuable tools for assessing medical interventions.
Purpose of the Study:
- To evaluate the effectiveness of Average Volume Assured Pressure Support (AVAPS) NIV.
- To assess Pressure Support (PS) NIV with Continuously Calculated Average Required Ventilation (CCARV).
- To compare these NIV modalities in simulated sleep apnea for both COPD and non-COPD patients.
Main Methods:
- Utilized two validated simulation models: one for non-COPD subjects and one for COPD patients.
- Simulated sleep apnea events within each model.
- Measured the ability of AVAPS NIV and PS NIV with CCARV to normalize breathing.
Main Results:
- Both AVAPS NIV and PS NIV with CCARV normalized breathing within approximately 5 minutes during simulated sleep apnea.
- Blood gases remained within safe limits throughout the simulated events.
- Both modalities incorporated continuous positive airway pressure and a backup respiratory rate to minimize respiratory work.
Conclusions:
- AVAPS NIV and PS NIV with CCARV show potential for treating sleep apnea.
- Further clinical evaluations are necessary to confirm the effectiveness of these NIV modalities in real-world settings.
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