complex basis cranii vessel wall defects
Conditions
Interventions
Case series:covered stent insertion
Sponsors
Shanghai Tongji Hospital, Tongji University School of Medicine
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Cerebral angiography examinations confirmed complicated cerebral aneurysms (wide-necked/large or giant/ pseudo-aneurysm) at internal or vertebral arteries; 2) Wide-necked aneurysm is considered as the neck width =4mm or fundus-to-neck ratio <2; large or giant aneurysms are defined as the maximum aneurysm diameter between 10~25 mm or =25mm; Pseudo-aneurysm is considered definitely caused by trauma, iatrogenic injury or radiotherapy et al.; 3) Diameter of the parent artery is between 3.5-4.5mm; 4) Researchers believe patients is suitable to receive WILLIS covered stent treatment; 5) Patients volunteered to conduct the study and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1) Important side branches originate from the target aneurysm, including anterior choroidal artery, embryonic type of the posterior communicating artery and posterior inferior cerebellar artery; 2) No appropriate vessel routes or extremely tortuous parent arteries; 3) Sever coagulation disorders, dysfunction of the heart, liver or kidney or systemic infection; 4) Life expectancy <1 year; 5) There are contraindications for heparin, aspirin, clopidogrel, anaesthesia, contrast media or X-ray.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Aneurysm total occlusion rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| patency of parent artery;procedure related safty; | — |
Countries
China
Contacts
Public ContactChun Fang
Shanghai Tongji Hospital, Tongji University School of Medicine
Outcome results
None listed