Alpha brain waves and time to wake after anesthesia in adults

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study records intraoperative EEG to examine if alpha band power relates to emergence time after stopping sevoflurane anesthesia. Participants are adults aged 35-50 with ASA I-II undergoing elective surgery, monitored with a standard BIS EEG device. Emergence time is precisely measured after cessation of anesthetic gases, and results will indicate whether alpha activity can help predict recovery speed. The study uses a standardized GA protocol and analyzes the relationship between EEG patterns and awakening duration. No intervention beyond routine monitoring is planned.

Why it matters

Who can join: the full rules

Inclusion Criteria

* Elective surgery under general anesthesia
* Age 35-50 years
* ASA physical status I-II

Exclusion Criteria

* Neurological or psychiatric disorders
* Use of psychotropic drugs or opioids
* Altered consciousness
* BMI \> 35 kg/m²
* Renal, cardiac, or hepatic dysfunction
* Emergency surgery
* Pregnancy
* Regional anesthesia

Where it's running

• Hospital Clinico de la Universidad de Chile
  Santiago, Rm, Chile Recruiting

Study contacts

• Study coordinator: Antonello Penna, MD, PhD
• Email: apenna@uchile.cl
• Phone: +56229788209

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.