Effects of Flumazenil on Recovery After Total Intravenous Anesthesia With Remimazolam

Inclusion Criteria: * Patients over 65 years old scheduled for hip joint surgery Exclusion Criteria: * Patients with impaired consciousness or delirium before surgery * Patients who are hemodynamically unstable before surgery * Patients with a history of neurological or neuromuscular disorders or use of medications that affect neurological or neuromuscular function * Patients who have taken sedatives (anti-anxiety medications, antipsychotics, antidepressants, sleep aids) within the past 24 hours * Patients with known allergy to benzodiazepine, flumazenil * Patients with galactose intolerance, Lapp lactase deficiency, glucose-galactose malabsorption * Patients with hypersensitivity to Dextran40 * Patients who have been taking benzodiazepine for long term * Patients with end stage renal disease requiring hemodialysis * Patients with history of acute angle glaucoma * Patients with alcohol or substance dependence * ASA classification 4 or 5