Correlation Between Perioperative EEG Variability and Postoperative Delirium Incidence.

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Conditions studied: Delirium - Postoperative

In brief

This clinical study aims to investigate whether multiscale entropy analysis of electroencephalogram data can distinguish between ordinary elderly surgical patients and elderly patients with postoperative delirium.This study may help identify postoperative delirium in surgical patients at an early stage.

Key facts

Study ID

NCT07323940

Run by

Xin Chen

People needed

90

Starts

2025-12-12

Expected to finish

2027-12-12

Last updated by the study team

2026-04-16

Who can join

Age: 65 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Patients undergoing general anaesthesia with single-lumen endotracheal tube placement;
• Age ≥65 years, gender unrestricted, body mass index (BMI) 18-28 kg/m²;
• Normal mouth opening and head/neck mobility;
• Pre-anaesthesia American Society of Anaesthesiologists (ASA) physical status classification of I or II and Mallampati airway classification of I or II.

You may not qualify if…

• Individuals with psychiatric disorders, literacy issues, or communication difficulties who are unable to cooperate with POD screening;
• Patients with severe lesions in vital organs, such as the heart, lungs, brain, liver or kidneys.
• Those undergoing cardiac or neurosurgical procedures during this admission;
• A history of alcohol abuse or recent use of sedatives or opioids;
• haemoglobin <100 g/L;
• Participation in any clinical research studies within the past 3 months.

Where it is running

• Department of Anesthesiology,the Second Affiliated Hospital of Hainan Medical University — Haikou, China (enrolling)

Full record on ClinicalTrials.gov

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