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Updated: Mar 9, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
An Innovative Air-Oxygen Blender for Continuous Positive Airway Pressure Support in Resource-Poor Locations: A
By Subhashchandra Daga1, Hemant Joshi2, Prashant Gunjal1
1The Neonatal Intensive Care Unit, MIMER Medical College, Talegaon Dabhade 410507, India.
Objectives:
The objectives of this study are (i) to evaluate the feasibility of using an inexpensive air pump to maintain reliable oxygen concentration in a continuous positive airway pressure (CPAP) system and (ii) to evaluate whether an inexpensive air pump can maintain infant 02 sats >90%.
Methods:
This prospective study, which included 19 babies in pilot phase and 90 during extension phase, was conducted at a neonatal intensive care unit in a resource-poor academic medical center in India. The intervention involved introduction of an air pump in the CPAP delivery system. Outcome measures were oxygen concentration in the air-oxygen blend and oxygen saturation of the study babies.
Results:
Oxygen concentration at the outlets ranged between 56 and 70% and in the blend between 42 and 51%. Oxygen saturation ranged between 90 and 97%.
Conclusion:
A simple and inexpensive air pump can work as a safe and effective oxygen blender.
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