A Control Study of Diagnosing the Stenosis of Intracranial Artery with AI Screening by Intelligent Three-Dimensional Cerebral Blood Flow Imaging System and CTA in Patients with Ischemic Stroke

A Control Study of Diagnosing the Stenosis of MCA with Intelligent 3D Cerebral Blood Flow Imaging System and TCD, CTA

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100043145

Enrollment

Unknown

Registered

2021-02-05

Start date

2021-02-04

Completion date

Unknown

Last updated

2021-05-24

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

Conditions

MCA stenosis

Interventions

Gold Standard:CTA, DSA

Index test:Intelligent&#32

Three-Dimensional&#32

Cerebral&#32

Blood&#32

Flow&#32

Imaging&#32

System

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: From February 2021 to November 2021, 100 patients who receive the "Intelligent Three-dimensional Cerebral Blood Flow Imaging System" examination and TCD and CTA examinations within one week in Beijing Friendship Hospital will be continuously enrolled into the group.

Exclusion criteria

Exclusion criteria: Patients who cannot undergo CTA examination due to renal insufficiency or allergy to contrast agents; atrial fibrillation; Moyamoya disease; intracranial arteriovenous malformations; Subclavian Steal Syndrome; cardiac insufficiency; persons who refuse to sign informed consent.

Design outcomes

Primary

Measure	Time frame
Consistency of New System and CTA evaluating the stenosis extent of MCA;	—

Secondary

Measure	Time frame
The sensitivity and specificity of the new system in diagnosing severe MCA stenosis;	—

Countries

China

Contacts

Public ContactQian Linxue

Department of Ultrasound, Beijing Friendship Hospital Affiliated with Capital Medical University

qianlinxue2002@163.com+86 13311100999

Outcome results

None listed

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