Overview
Hypercapnic respiratory failure is a condition characterized by elevated carbon dioxide levels in the blood, often due to hypoventilation. This can lead to respiratory acidosis and impaired gas exchange.Diagnosis
No diagnostic criteria or recommended tests are mentioned in the provided abstracts.Management
Permissive hypercapnia is a management strategy involving allowing higher than normal partial pressures of carbon dioxide in mechanically ventilated patients 1.
In adults, permissive hypercapnia has been associated with reduced mortality and shorter duration of ventilation 1.
In preterm infants, the efficacy and safety of permissive hypercapnia are controversial 1.
Permissive hypercapnia in preterm infants did not show significant differences in bronchopulmonary dysplasia (BPD) or a composite outcome of death or BPD compared to normocapnia 1.
Permissive hypercapnia may increase the risk of necrotizing enterocolitis in preterm infants, though a null or trivial effect cannot be excluded 1.Special Populations
Pediatrics: Permissive hypercapnia in preterm infants on mechanical ventilation has been studied. No significant differences were found for bronchopulmonary dysplasia (BPD) or death or BPD compared to normocapnia. However, it may increase the risk of necrotizing enterocolitis 1.Key Recommendations
Permissive hypercapnia may be considered in adult patients to reduce mortality and ventilation duration (Evidence: Strong).
The use of permissive hypercapnia in preterm infants requires careful consideration due to controversial findings regarding its efficacy and safety 1 (Evidence: Moderate).
Permissive hypercapnia in preterm infants may be associated with an increased risk of necrotizing enterocolitis 1 (Evidence: Moderate).References
1 Ozawa Y, Miyake F, Isayama T. Efficacy and safety of permissive hypercapnia in preterm infants: A systematic review. Pediatric pulmonology 2022. link