Basic principles of neonatal bubble CPAP: effects on CPAP delivery and imposed work of breathing when altering the original design.

ABSTRACT:

Background

The original bubble continuous positive airway pressure (bCPAP) design has wide-bore tubing and a low-resistance interface. This creates a stable airway pressure that is reflected by the submersion depth of the expiratory tubing. Several systems with alterations to the original bCPAP design are now available. Most of these are aimed for use in low-income and middle-income countries and have not been compared with the original design.

Objective

We identified three major alterations to the original bCPAP design: (1) resistance of nasal interface, (2) volume of dead space and (3) diameter of expiratory tubing. Our aim was to study the effect of these alterations on CPAP delivery and work of breathing in a mechanical lung model. Dead space should always be avoided and

SUBMITTER: Baldursdottir S 

PROVIDER: S-EPMC7547905 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature