Noninvasive Ventilation or CPAP for Postextubation Support in Small Infants

Area of Science:

• Pediatric Critical Care Medicine
• Respiratory Support
• Neonatal Ventilation

Background:

• Limited data exists on noninvasive ventilation (NIV) or continuous positive airway pressure (CPAP) for infants at high risk of extubation failure.
• This study details the experience of using NIV or CPAP in pediatric intensive care units (PICUs) for postextubation support.

Purpose of the Study:

• To evaluate the effectiveness and outcomes of using NIV or CPAP in infants following extubation.
• To identify factors associated with re-intubation in this high-risk population.

Main Methods:

• A retrospective study of 51 infants (<10 kg) receiving postextubation NIV or CPAP in PICUs.
• Data collected included demographics, medical history, support type, physiological parameters (vital signs, pulse oximetry, NIRS, gas exchange), support settings, and re-intubation status.
• Support was categorized as prophylactic (planned) or rescue (initiated within 24 hours), with statistical comparisons between successfully extubated and re-intubated groups.

Main Results:

• The overall re-intubation rate was 43% (22 out of 51 infants).
• Rescue support was associated with a significantly higher re-intubation rate (58%) compared to prophylactic support (28%).
• Factors linked to re-intubation included prior cardiac surgery, acidosis (pH < 7.35), lower somatic near-infrared spectroscopy (NIRS) values, and higher support settings (inspiratory/expiratory positive airway pressure, FiO2).

Conclusions:

• Postextubation NIV or CPAP in high-risk infants is associated with a substantial re-intubation rate of 43%.
• Acidosis, cardiac surgery history, lower somatic NIRS, increased support requirements, and the need for rescue support are predictors of re-intubation.
• Further research is warranted to optimize NIV/CPAP strategies for this vulnerable infant population.