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The ultrasound Doppler technique for assessing cerebral blood flow and postoperative delirium in patients undergoing hepatectomy for low central venous pressure: an observational study

The ultrasound Doppler technique for assessing cerebral blood flow and postoperative delirium in patients undergoing hepatectomy for low central venous pressure: an observational study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500097677
Enrollment
Unknown
Registered
2025-02-24
Start date
2025-03-11
Completion date
Unknown
Last updated
2026-07-13

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

Conditions

Liver tumour

Interventions

Observation group:None

Sponsors

Chongqing University Cancer Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients scheduled for hepatectomy with low central venous pressure technique; 2. American Society of Anesthesiologists physical status of class I–III; 3. Age greater than 18 years.

Exclusion criteria

Exclusion criteria: 1.Preoperative screening for pre-existing cognitive impairment (Mini-mental State Examination 40kg/m^2; 7.Operation duration < 1 hour.

Design outcomes

Primary

MeasureTime frame
Carotid artery velocity time integral;Carotid artery corrected fow time;Carotid artery pulse volume;Carotid artery resistance index;Postoperative delirium incidence;Cerebral Oxygen Saturation (Left, Right);Blood pressure;Heart rate;—

Secondary

MeasureTime frame
Jugular vein velocity time integral;Jugular vein dilatation index;Neurofilament light chain;Interleukin-6;Postoperative complication;—

Countries

China

Contacts

Public ContactXixi Tang

The department of anesthesiology, chongqing university cancer hospital

470016502@qq.com+86 159 9893 4395

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026