Actively Recruiting
Hemodynamic Study of In-Stent Stenosis(I) After Flow Diverter(F) Based on 3D-DSA(D) Combined With TCCD(T)
Led by Zhujiang Hospital · Updated on 2025-07-18
200
Participants Needed
1
Research Sites
108 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
DTFI is a single-center, prospective cohort study aimed at evaluating the hemodynamics of in-stent stenosis after flow diverter implantation, seeking to identify the threshold effect of blood flow in stenosis.
CONDITIONS
Official Title
Hemodynamic Study of In-Stent Stenosis(I) After Flow Diverter(F) Based on 3D-DSA(D) Combined With TCCD(T)
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age 18 years or older, male or non-pregnant female
- Diagnosis of intracranial aneurysm confirmed by digital subtraction angiography (DSA)
- Intracranial aneurysms treated with flow diverter (FD)
- DSA follow-up of at least 1 month
You will not qualify if you...
- Traumatic, infectious aneurysms, or aneurysms associated with arteriovenous malformations (AVM) or vasculitis
- Previously treated recurrent or target aneurysm with craniotomy clipping or other endovascular interventions
- Aneurysms located where transcranial color-coded Doppler (TCCD) cannot detect flow
- Known familial clustering history or expected survival less than 1 year
- Preoperative clinical assessment with Modified Rankin Scale (mRS) score 3 or higher
- Known allergy or contraindication to antiplatelet drugs, anticoagulants, contrast agents, anesthetics, or metal alloys used in devices
- Severe respiratory, liver, or kidney disease (e.g., creatinine 3.0 mg/dL or higher, excluding dialysis) or coagulation disorders
- Major surgery within 30 days before or planned within 60 days after consent
- Pregnant or lactating women or positive pregnancy test
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
DuanChuanzhi
Guangzhou, Guangdong, China, 528400
Actively Recruiting
Research Team
Z
Zhang Xin, MD
CONTACT
J
Jia Zhi kun, MMed
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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