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Research Progress on Anesthesia Depth Monitoring and Perioperative Neurocognitive Disorders in Elderly Patients
Wei Ma1*
1Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
Corresponding Author: Wei Ma
Address: Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan 611743, P.R. China.
Received date: 07 May 2026; Accepted date: 18 May 2026; Published date: 25 May 2026
Citation: Ma W. Research Progress on Anesthesia Depth Monitoring and Perioperative Neurocognitive Disorders in Elderly Patients. Asp Biomed Clin Case Rep. 2026 May 25;9(2):80-87.
Copyright © 2026 Ma W. This is an open-access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.
Keywords: Electroencephalogram, Bispectral Index Monitor, Depth of Anesthesia, Perioperative Neurocognitive Disorders, Elderly Patients
Abstract
Perioperative neurocognitive disorders (PND) are highly frequent complications of the central nervous system in elderly patients and are closely related to trauma and neuroinflammation caused by anesthesia and surgery. However, the effect of the depth of anesthesia on PND remains unclear. Previous studies have shown that the use of electroencephalogram (EEG) monitoring to guide the management of anesthesia depth can reduce the dosage of anesthetic drugs and intraoperative awareness, but its preventive effect on postoperative cognitive dysfunction in elderly patients remains controversial. This review discusses the assessment of PND and its correlation with anesthesia and surgery. It also provides an overview of the effect of anesthesia depth monitoring on PND and its clinical application.