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Interface strategy during noninvasive positive pressure ventilation for hypercapnic acute respiratory failure
Christophe Girault1, Anca Briel, Jacques Benichou
1Department of Medical Intensive Care, Rouen University Hospital, Rouen, France. Christophe.Girault@chu-rouen.fr
Critical Care Medicine
|December 4, 2008
Summary
For hypercapnic acute respiratory failure, a face mask is recommended initially for noninvasive positive pressure ventilation (NIPPV). Switching to a nasal mask may improve comfort if NIPPV treatment is prolonged.
Area of Science:
- Pulmonology
- Critical Care Medicine
- Respiratory Therapy
Background:
- Noninvasive positive pressure ventilation (NIPPV) is crucial for managing hypercapnic acute respiratory failure.
- The choice of mask interface can significantly impact NIPPV effectiveness and patient tolerance.
- Understanding the influence of initial mask selection is vital for optimizing patient outcomes.
Purpose of the Study:
- To evaluate how the initial choice of mask affects the clinical success and tolerability of NIPPV in patients with hypercapnic acute respiratory failure.
- To compare the outcomes between patients initially managed with a face mask versus a nasal mask for NIPPV.
Main Methods:
- A prospective randomized controlled trial was conducted in a university hospital's medical intensive care unit.
- Patients were randomized to receive NIPPV with either a face mask (NIPPVf) or a nasal mask (NIPPVn).
- Primary endpoint was mask failure (requiring mask change or intubation); secondary endpoints included tolerance, respiratory parameters, and patient outcomes.
Main Results:
- The overall success rate of NIPPV was 83% across 90 patients with chronic lung disease.
- Mask failure was significantly higher in the nasal mask group (NIPPVn) due to buccal air leaks, necessitating mask changes.
- While respiratory parameters improved similarly, nasal masks led to more air leaks, and face masks caused more complications and lower comfort over time.
Conclusions:
- A face mask is recommended as the initial interface for NIPPV in hypercapnic acute respiratory failure.
- Consideration should be given to switching to a nasal mask for prolonged NIPPV to potentially enhance patient comfort and reduce face mask-related issues.
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