A functional assessment of Willis circle by using Near-Infrared Spectroscopy

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100042301

Enrollment

Unknown

Registered

2021-01-17

Start date

2021-02-01

Completion date

Unknown

Last updated

2021-04-19

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

Conditions

Cerebral arterial circle

Interventions

case series:Nil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients scheduled for total aortic arch replacement.

Exclusion criteria

Exclusion criteria: 1. Patients who are not willing to participate in the study; 2. Patients with carotid atherosclerotic plaque; 3. Patients with carotid artery dissection; 4. Patients with carotid aneurysm.

Design outcomes

Primary

Measure	Time frame
regional cerebral oxygen saturation;	—

Countries

China

Contacts

Public ContactWei Wei

West China Hospital of Sichuan University

weiw@scu.edu.cn+86 18980601544

Outcome results

None listed

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