A Randomized Controlled Trial of Auditory Evoked Potential Monitoring to Improve Recovery from General Anesthesia

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-05000657

Enrollment

Unknown

Registered

2005-09-13

Start date

2002-12-01

Completion date

Unknown

Last updated

2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

General Anesthesia

Interventions

Two groups:Auditory evoked potential in intraoperative peroid versus Routine care

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Inclusion criteria Men or women, age > 18 years, American Society of Anesthesiologists physical status 1 to 3, scheduled for elective surgery expected to last at least 1 hour will be recruited.

Exclusion criteria

Exclusion criteria: Exclusion criteria Patients will be excluded if they are not expected to be available for, or to cooperate with, interview postoperatively. These are patients scheduled for ambulatory, cardiac or neurosurgical procedures. Patients will also be excluded if they require postoperative ventilation or if they have major psychosis, language difficulties, known or suspected dementia or memory impairment. Other exclusion criteria are patients known to be allergic to propofol or sevoflurane or who has significant hearing abnormalities or if the attending anesthetists or patient preferred an alternative anesthetic technique. Reasons for exclusion will be documented.

Design outcomes

Primary

Measure	Time frame
Quality of recovery;	—

Secondary

Measure	Time frame
perioperative complications;	—

Countries

China

Contacts

Public ContactMatthew Chan

mtvchan@cuhk.edu.hknil

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026