Systolic blood pressure variability estimated by ARV and mean heart rate is associated with postoperative delirium after non-cardiac surgery in the elderly patients

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000034528

Enrollment

Unknown

Registered

2020-07-08

Start date

2020-07-17

Completion date

Unknown

Last updated

2020-07-13

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

Conditions

Postoperative delirium

Interventions

Gold Standard:Clinical outcome

Index test:Systolic&#32

blood&#32

pressure&#32

variability&#32

estimated&#32

by&#32

ARV&#32

and&#32

mean&#32

heart&#32

rate

Eligibility

Sex/Gender

All

Age

65 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients >= 65 years of age undergoing elective, non-cardiac surgery requiring general anaesthesia, who were anticipated to stay in the hospital for longer than 72h.

Exclusion criteria

Exclusion criteria: 1. Failure to provide informed consent; 2. History of schizophrenia, epilepsy, or Parkinson's disease; 3. Obstruction of communication and assessment of postoperative visual, auditory, language, or other impairments; 4. Preoperative cognitive impairment; 5. Arrhythmia; 6. Temporary pacemaker installation postoperatively; 7. Patients on beta blockers.

Design outcomes

Primary

Measure	Time frame
blood pressure;The incidence of POD;	—

Secondary

Measure	Time frame
BMI;Hbg before surgery;GFR before surgery;Preoperative cognitive function;	—

Countries

China

Contacts

Public ContactLi Dongbai

The Second Hospital of Dalian Medical University

dbldoctor@outlook.com+86 17709871871

Outcome results

None listed

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