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Frontal EEG Dynamics During Anesthesia in Patients With Obesity and Normal Weight
Sponsor: Duzce University
Summary
This prospective observational study aims to compare frontal electroencephalographic (EEG) spectral dynamics between patients with obesity and normal weight undergoing general anesthesia. The primary objective is to evaluate whether changes in frontal alpha power around propofol-induced loss of consciousness differ between the two BMI groups. Secondary objectives include comparing changes in delta power, the alpha/delta power ratio, and frontal alpha asymmetry around loss of consciousness, as well as evaluating EEG spectral dynamics throughout the intraoperative period. Anesthetic management will be determined by the attending anesthesiologist according to routine clinical practice, without intervention by the study investigators.
Official title: Frontal EEG Spectral Dynamics During General Anesthesia in Obese and Normal-Weight Patients: A Prospective Observational Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
60
Start Date
2026-09-15
Completion Date
2027-02-01
Last Updated
2026-10-16
Healthy Volunteers
No
Conditions
Interventions
Frontal Electroencephalography Monitoring
Frontal EEG activity will be continuously recorded using a non-invasive EEG monitoring system during induction and maintenance of general anesthesia. EEG monitoring will not alter routine anesthetic management. Anesthetic agents, doses, and maintenance techniques will be determined by the attending anesthesiologist according to routine clinical practice. Recorded EEG data will be analyzed for spectral parameters, including alpha power, delta power, alpha/delta power ratio, spectral edge frequency, and frontal alpha asymmetry.
Locations (1)
Düzce University Research and Application Hospital
Düzce, Düzce, Turkey (Türkiye)