Review Article

Bubble Nasal Continuous Positive Airway Pressure (bNCPAP): An Effective Low-Cost Intervention for Resource-Constrained Settings

Table 6

Clinical criteria for defining failed weaning from NCPAP (at least 2 of the following).

Increased work of breathing: persistent tachypnea (>60 for >2 h) and marked retractions
Apnea associated with bradycardia or cyanosis with >2 episodes in 12 h or >3 in 24 h with at least one requiring resuscitation
Increased O2 requirement >0.21 to maintain the oxygen saturations >90%
Abnormal blood gases (2 arterial samples taken >2 h apart) with low , ,

PaCO2: partial pressure of arterial carbon dioxide; PaO2: partial pressure of arterial oxygen. References [82, 91].