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To investigate the correlation between ischemic penumbra CT perfusion imaging parameters and CTA collateral circulation grade in patients with acute ischemic stroke

To investigate the correlation between ischemic penumbra CT perfusion imaging parameters and CTA collateral circulation grade in patients with acute ischemic stroke

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500101815
Enrollment
Unknown
Registered
2025-04-30
Start date
2025-05-01
Completion date
Unknown
Last updated
2025-05-05

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

Conditions

Acute ischemic stroke

Interventions

The group with good collateral circulation:Acute ischemic stroke
The group with poor collateral circulation:Acute ischemic stroke

Sponsors

Pinggu District Hospital, Beijing
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >18 years in AIS patients; 2.Meeting the diagnostic criteria for AIS; 3.Undergoing CT and CTA examinations within 24 hours after symptom onset; 4.Complete clinical data;

Exclusion criteria

Exclusion criteria: 1.Patients with cerebral hemorrhage; 2.Severe dysfunction of liver, kidney, or other vital organs; 3.History of malignant tumors; 4.Previous brain surgery; 5.Comorbid psychiatric disorders;

Design outcomes

Primary

MeasureTime frame
CT perfusion parameters;The grade of collateral circulation on CTA;—

Countries

China

Contacts

Public ContactHuo Zhiyun

Pinggu District Hospital, Beijing

2391887163@qq.com+86 10 89993898

Outcome results

None listed

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