Abdominal Aortic Aneurysm
Conditions
Interventions
Observational group:None
Sponsors
The First Affiliated Hospital,Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
50 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Age 50-90 years 2. Undergoing EVAR for infrarenal true abdominal aortic aneurysm 3. Complete preoperative CTA imaging data available 4. At least two postoperative follow-up records with complete imaging data available (T1 = 6 months)
Exclusion criteria
Exclusion criteria: 1. Ruptured abdominal aortic aneurysm 2. Infected abdominal aortic aneurysm 3. Inflammatory abdominal aortic aneurysm 4. Involvement of visceral branch reconstruction or iliac branch reconstruction 5. Detection of other types of endoleaks during postoperative follow-up 6. Presence of other severe comorbidities postoperatively 7. Severe, rare vascular malformations 8. Diagnosed connective tissue disease 9. Preoperative thrombotic occlusion of the inferior mesenteric artery 10. Intraoperative prophylactic interventions for endoleak, such as coil embolization or fibrin glue injection 11. Poor quality of preoperative or postoperative imaging, inadequate for 3D model reconstruction and subsequent CFD computations
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Type II Endoleak (T2EL) detected on follow-up 6 to 12 months after EVAR.; | — |
Secondary
| Measure | Time frame |
|---|---|
| Type II Endoleak (T2EL) detected at any time point during follow-up within 12 months after EVAR.;Average flow and peak flow in the superior mesenteric artery and internal iliac artery during the cardiac cycle; | — |
Countries
China
Contacts
Public ContactYao Chen
The First Affiliated Hospital,Sun Yat-sen University
Outcome results
None listed