Effect of Vitamin C on Postoperative Pulmonary Complications After Intracranial Tumor Surgery

After participants underwent induction of anesthesia, Ascorbic acid (Vitamin C Injection) was administered at a dosage of 50 mg/kg, diluted to 50 ml using saline, with a total amount not exceeding 4 g; pumping was performed using a micro pump at a rate of 25 ml/h.

After participants underwent induction of anesthesia, 50 ml of saline was used and pumped using a micro pump at a rate of 25 ml/h.