Effects of preoperative frailty on intraoperative eeg and postoperative outcome in patients undergoing non-cardiac surgery

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900027059

Enrollment

Unknown

Registered

2019-10-30

Start date

2019-10-29

Completion date

Unknown

Last updated

2019-11-04

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

Conditions

Geriatric non-cardiac surgery

Interventions

Frailty group versus non-frailty group:N/A

Eligibility

Sex/Gender

All

Age

65 Years to 90 Years

Inclusion criteria

Inclusion criteria: Elderly general anesthesia patients undergoing elective non-cardiac surgery; aged >= 65 years, BMI = 30%; the estimated operation time is more than 2 hours.

Exclusion criteria

Exclusion criteria: Severe hypertension, diabetes, chronic obstructive pulmonary disease, serious heart disease or arrhythmia and poor control; Severe liver and kidney dysfunction; Preoperative neuropsychiatric diseases or taking sedative and hypnotic drugs or alcohol abusers.

Design outcomes

Primary

Measure	Time frame
Neurological complications;	—

Countries

China

Contacts

Public ContactLei Zhang

The First Affiliated Hospital of Anhui Medical University

zhlanesth@yeah.net+86 13966745097

Outcome results

None listed

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