Corrective steps to enhance ventilation in the delivery room

Area of Science:

• Neonatal Resuscitation
• Pediatric Respiratory Medicine
• Clinical Intervention Studies

Background:

• Delivery room positive pressure ventilation (PPV) is critical for preterm infants.
• The effectiveness of corrective steps for PPV is not well-established.
• Preterm infants (<32 weeks gestation) require careful respiratory support.

Purpose of the Study:

• To evaluate the performance and impact of ventilation corrective steps (MRSOPA) during neonatal resuscitation.
• To assess the effect of MRSOPA on exhaled tidal volume (Vte) in preterm infants.
• To identify secondary outcomes such as mask leak, obstruction, and heart rate changes.

Main Methods:

• Prospective observational study in a tertiary academic delivery hospital.
• Utilized video and respiratory function monitor recordings of PPV.
• Analyzed Vte before and after MRSOPA interventions in preterm infants (<32 weeks gestation).

Main Results:

• 41 MRSOPA interventions were performed in 30 preterm infants.
• Inadequate Vte was corrected in some cases, but excessive Vte occurred in others.
• MRSOPA interventions sometimes induced or failed to resolve mask leak and airway obstruction.

Conclusions:

• Ventilation corrective steps (MRSOPA) have variable effects on tidal volume delivery.
• These maneuvers can lead to suboptimal or excessive ventilation.
• Potential for inducing mask leak and obstruction necessitates careful application.