[Monitoring ETCO(2) of the infants undergoing cleft lip repair under general anesthesia with autonomous respiration].

Purpose: To elevate the security of general anesthesia with autonomous respiration applied for infant cleft lip repair in infants.

Methods: 40 infants who received cleft lip repair were divided into two groups randomly, the autonomous respiration group (group A) and control respiration group (group C). The infants in group A underwent general anesthesia with autonomous respiration, while the infants in group C underwent general anesthesia with control respiration.