Clinical significance of type I endoleak on completion angiographyopen access
- Authors
- Kim, Suh Min; Ra, Hwan Do; Min, Sang-Il; Jae, Hwan Jun; Ha, Jongwon; Min, Seung-Kee
- Issue Date
- Feb-2014
- Publisher
- Korean Surgical Society
- Keywords
- Abdominal aortic aneurysm; Endoleak; Endovascular aneurysm repair
- Citation
- Annals of Surgical Treatment and Research, v.86, no.2, pp 95 - 99
- Pages
- 5
- Journal Title
- Annals of Surgical Treatment and Research
- Volume
- 86
- Number
- 2
- Start Page
- 95
- End Page
- 99
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/70454
- DOI
- 10.4174/astr.2014.86.2.95
- ISSN
- 2288-6575
2288-6796
- Abstract
- Purpose: Type I endoleak is known to be associated with sac enlargement and occasional rupture, therefore, the treatment of type I endoleak is recommended at the time of diagnosis. The aim of this study was to identify the significance of early type I endoleak found on completion angiography. Methods: Between January 2000 and December 2012, a total of 86 patients underwent endovascular abdominal aortic aneurysm repair (EVAR) and 10 patients (11.6%) were diagnosed with type Ia endoleak on completion angiography. Clinical and radiologic data were reviewed retrospectively. Results: Of the 10 patients, two underwent EVAR with custom-made stent-grafts in the initial stage and both of them needed immediate treatment: one case involved open repair while the other involved insertion of an additional stent-graft. In 8 patients, the amount of leakage decreased after repeated balloon molding. They were managed conservatively and followed up with computed tomography angiography within 2 weeks after EVAR. In 7 of the 8 cases, type Ia endoleaks disappeared. In one patient with a persistent endoleak and a folded posterior wall of the stent-graft, coil embolization was performed 1 week after EVAR. With a median follow-up of 12 months (range, 1-61 months), no patients showed recurrence of type I endoleak or sac expansion. Conclusion: Type I endoleaks diagnosed on completion angiography sealed spontaneously in 7 of 10 patients (70.0%). In cases of decreased amounts of leakage after balloon molding, simple observation may be an alternative to repetitive procedures. The long-term follow-up of patients with self-sealed type I endoleaks is mandatory. Copyright © 2014, the Korean Surgical Society.
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