Geneva, March 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600119409) titled 'Effect of Intraoperative FiO2 Regulation Combined with Lung Recruitment Maneuver on Alveolar Maintenance Efficacy in Patients Undergoing Head and Neck Surgery' on Feb. 26.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Subei People's Hospital of Jiangsu

Condition: Atelectasis

Intervention: Group A:After anesthetic induction and full onset of drug effects, endotracheal intubation was performed with the fraction of inspired oxygen (FiO2) set at 40%. Following the initiation of surgery, FiO2 was adjusted to the assigned inspired oxygen concentration for each group. Five minutes late...