Wenqin Zhou

Effects of Ketamine and Esketamine on Postoperative Delirium After General Anesthesia: A Meta-Analysis and Meta-Regression Analysis

BACKGROUND: Postoperative delirium (POD) is a frequent and serious complication, particularly in older adults undergoing major surgery. Pharmacologic prevention remains limited. This study aimed to evaluate whether perioperative ketamine or esketamine reduces POD incidence and to...