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Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
768
Does noninvasive ventilation delivery in the ward provide early effective ventilation?
Carlo Olivieri1, Luca Carenzo2, Gian Luca Vignazia1
1Anesthesia and Intensive Care, Maggiore della Carità University Hospital, Novara.
Respiratory Care
|October 30, 2014
Summary
Noninvasive ventilation (NIV) in general wards is feasible for patients with hypercapnic respiratory failure. Overnight NIV application was more effective and longer than daytime use, demonstrating safe administration.
Area of Science:
- Respiratory Medicine
- Critical Care Medicine
Background:
- Noninvasive ventilation (NIV) use is expanding in general wards.
- Limited data exists on NIV effectiveness and safety in non-ICU settings.
Purpose of the Study:
- To evaluate the effectiveness of NIV in general wards.
- To assess adverse events and compare daytime vs. nighttime NIV application.
Main Methods:
- Study included patients with hypercapnic acute respiratory failure not meeting ICU criteria.
- Assessed NIV duration, air leaks, and desaturations over 48 hours.
- Compared daytime and nighttime NIV application parameters.
Main Results:
- NIV was successful in 20 of 25 analyzed patients, with significant improvements in PaCO2 and pH.
- NIV was applied for 64.5% of the study period, with effective application longer overnight (76.9%) vs. daytime (53.2%).
- Air leaks were absent or compensated in 62.3% of the time.
Conclusions:
- NIV is a feasible and safe ventilatory support in general wards for selected patients.
- Overnight NIV application demonstrates higher efficacy and duration compared to daytime use.
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