Fig. 4From: Apnoeic oxygenation with high-flow oxygen for tracheal resection and reconstruction surgeryA pH, B partial pressure of arterial carbon dioxide (PaCO2) and C partial pressure of arterial oxygen (PaO2) at T0: Before anesthesia; T1: Before using high flow. T2: After using high flow 10 mins; T3: After 20 mins of high flow and T4: Finish the high-flow 15 minsBack to article page