The Impact of Remimazolam Tosilate on Oxygenation and Postoperative Cognitive Function in Elderly Patients Undergoing Thoracoscopic Lobectomy

"Remimazolam group (Group R) : After intubation, remimazolam was maintained at a pump rate of 1-2mg/kg/h until ten minutes before the end of the operation.~Group C (remimazolam combined with propofol): After intubation, maintain with 0.3-1 mg/kg/h of remimazolam and 3-6 mg/kg/h of propofol until 10 minutes before the end of surgery."

"Propofol group (Group P) : After intubation, propofol was maintained at a pump rate of 4-10mg/kg/h until surgery ten minutes before the end.~Group C (remimazolam combined with propofol): After intubation, maintain with 0.3-1 mg/kg/h of remimazolam and 3-6 mg/kg/h of propofol until 10 minutes before the end of surgery."