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Comparison of Modulations of Motor Brain Activity and SedLine After Median Nerve Stimulation in General Anesthesia

RecruitingNAAges 18 Years - 81 YearsAllBrugmann University Hospital
NCT07267403 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

To this date, no monitoring device can reliably detect episodes of accidental awakening during general anesthesia. One promising approach is the use of electroencephalography (EEG) to detect movement attempts via a brain-computer interface (BCI). Previous work has shown that combining a BCI with painless median nerve stimulation can detect cerebral motor activity under light propofol sedation. However, clinical data are still lacking regarding the persistence or otherwise of a cerebral motor response (neural synchronization, or ERS) induced by this stimulation during general anesthesia. In this new study, the aim is to simultaneously record the EEG centered on the motor cortex and the signal from the SedLine Patient State Index (PSI) to better characterize the evolution of cerebral motor activity before, during general anesthesia, and up to awakening. This approach will allow us to expl

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📋 Eligibility rules (as published)
Inclusion Criteria: * Right-handed patient * Scheduled for surgery using intravenous anesthesia with propofol concentration Exclusion Criteria: * Allergy to propofol, soy, or peanuts. * BMI \< 20 or \> 30 * Pregnant or breastfeeding women * Medical or surgical history that may interfere with median nerve stimulation or EEG signal acquisition (e.g., diabetes, polyneuropathy, central neurodegenerative disease, epilepsy, brain surgery) * History of right median nerve injury * Right upper limb amputation * Upper limb surgery * Unable to wear an EEG headset (prone position, head and neck surgery) * Drug abuse
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What it tests

  • EEG Headset
  • SD LTM STIM (Micromed)
  • SedLine®
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Where

1 site
CHU Brugmann
Brussels, Belgium
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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