Abstract
Purpose: To describe a proximal extension of a failed chimney endovascular aneurysm sealing repair (chEVAS) using a chEVAS-in-chEVAS procedure in 2 cases with successful treatment outcome at 2-year follow-up. Case Report: Two patients with an infrarenal abdominal aortic aneurysm were treated with an elective chEVAS procedure with 1 chimney stent for a unilateral renal artery. At 18 and 24 months, respectively, both patients showed aneurysm growth with an associated decrease in proximal seal. Both patients were treated with a secondary chEVAS procedure, consisting of chimney stent-graft placement in the contralateral renal and the superior mesenteric arteries combined with proximal extension of the in situ chimney stent-graft and the Nellix stents. Two-year follow-up demonstrated successful aneurysm exclusion with a patent stent configuration. Conclusion: A type Ia endoleak after chEVAS can be successfully repaired with a chEVAS-in-chEVAS procedure.
| Original language | English |
|---|---|
| Pages (from-to) | 265-268 |
| Number of pages | 4 |
| Journal | Journal of Endovascular Therapy |
| Volume | 26 |
| Issue number | 2 |
| Early online date | 15 Feb 2019 |
| DOIs | |
| Publication status | Published - 1 Apr 2019 |
Keywords
- UT-Hybrid-D
- Chimney stent-grafts
- Endoleak
- Endovascular aneurysm sealing
- Renal artery
- Type IA endoleak
- Abdominal aortic aneurysm
- 22/4 OA procedure
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