Optimized levels of anesthetic depth on postoperative outcome in elderly patient after noncardiac surgery

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-IIR-15007500

Enrollment

Unknown

Registered

2015-11-17

Start date

2016-01-01

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

Postoperative Outcome

Interventions

"middle" anesthesia:"middle" anesthesia: defined as BIS target range between 40-50

"light" anesthesia:"light" anesthesia: defined as BIS target range between 50-60

BIS: 30-40:"deep" anesthesia: defined as BIS target range between 30-40

Eligibility

Sex/Gender

All

Age

60 Years to 100 Years

Inclusion criteria

Inclusion criteria: Patients Aged>=60 years; ASA?-?; Surgery undergoing General anesthesia longer than at least 1 hour; both elective and nonelective Surgery.

Exclusion criteria

Exclusion criteria: Cardiac surgery, surgery requiring a wake-up test ,surgical procedure or positioning of the patient prevented BIS monitoring.

Design outcomes

Primary

Measure	Time frame
Postoperative Mortality;Postoperative Recovery Index;	—

Secondary

Measure	Time frame
NNeurological Complication;Major Complication;Awareness;EQ-5D;	—

Countries

China

Contacts

Public ContactWen Ouyang

ouyangwen133@vip.sina.com+86 0731-88618151

Outcome results

None listed

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