Effects of Esketamine on Postoperative Delirium and Postoperative Cognitive Function in Elderly Gastrointestinal Tumor Patients with Preoperative Anxiety
Jin Zha, Hao Chen, Zijie Sun, Rui Shi, Rufang Yan, Longmei Guo, Xiaoshu Chen, Xiaoying Lan, Huansen Huang, Lingzhi Wang
Drug Design, Development and Therapy October 1, 2025 DOI: 10.2147/dddt.s528902 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Randomized controlled trial Peer reviewed |
|---|---|
| Population | Elderly patients with preoperative anxiety undergoing gastrointestinal tumor surgery |
| Intervention | Esketamine |
| Dose | 0.25 mg/kg |
| Topics | Anxiety Esketamine |
| Citations | 4 |
| Key findings | Administering low-dose intravenous esketamine (0.25 mg/kg) during anesthesia induction decreases the incidence of POD and improves early postoperative cognitive function in elderly patients with preoperative anxiety having gastrointestinal tumor surgery. |
Abstract
In elderly patients with preoperative anxiety who undergo gastrointestinal tumor surgery, administering a low-dose intravenous esketamine injection (0.25 mg/kg) during anesthesia induction can decrease the incidence of POD and improve early postoperative cognitive function.
In the evidence
This study is part of the evidence base for a synthesis in the library. Here is how each one recorded it.
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Low-dose intravenous esketamine (0.25 mg/kg) during anesthesia induction decreased postoperative delirium incidence and improved early postoperative cognitive function in elderly patients with preoperative anxiety.
Synthesized
Comparable studies
Other randomized controlled trials on esketamine for anxiety, most cited first.
Citations in the library
Cites 6
- Mechanisms of Ketamine and its Metabolites as Antidepressants Biochemical Pharmacology December 1, 2021
- Maintenance ketamine treatment for depression: a systematic review of efficacy, safety, and tolerability. The Lancet Psychiatry November 1, 2022
- Esketamine Prevents Postoperative Emotional and Cognitive Dysfunction by Suppressing Microglial M1 Polarization and Regulating the BDNF-TrkB Pathway in Ageing Rats with Preoperative Sleep Disturbance Molecular Neurobiology January 15, 2024
- The effect of esketamine on postoperative anxiety and depression in patients with thyroid cancer: A randomized, double-blind, placebo-controlled, parallel-group trial. Medicine May 2, 2025
- AMPA Receptor Activation-Independent Antidepressant Actions of Ketamine Metabolite (S)-Norketamine. Biological Psychiatry October 15, 2018
and 1 more in the library