The Effect of Low-Dose Esketamine on Postoperative Neurocognitive Dysfunction in Elderly Patients Undergoing General Anesthesia for Gastrointestinal Tumors: A Randomized Controlled Trial [Letter]

Abstract

Yongjian Lin,1,* Mingyang Jiang2,* 1Department of Gastrointestinal and Gland Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, People’s Republic of China; 2Department of Orthopedics, the First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, People’s Republic of China*These authors contributed equally to this workCorrespondence: Mingyang Jiang, Email [email protected]