Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115385) titled 'Effect of phenylephrine versus ephedrine on the incidence of postoperative delirium in elderly adults undergoing non-cardiac and non-neurosurgical procedures' on Dec. 25, 2025.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Affiliated Hospital of Soochow University

Condition: Postoperative Delirium

Intervention: Phenylephrine group:During surgery, a continuous infusion of phenylephrine at a concentration of 0.1 mg/mL was administered intravenously. The infusion was initiated at the start of anesthesia induction and adjusted to maintain mean arterial pressure (MAP) within...