Secondary Endovascular Aneurysm (EVAS) Sealing in Combination With Chimney Grafts to Treat Failed Chimney EVAS

Lennart van de Velde, Aleksandra C. Zoethout, Jan Willem H.P. Lardenoije, Michel M.P.J. Reijnen*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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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 languageEnglish
Pages (from-to)265-268
Number of pages4
JournalJournal of Endovascular Therapy
Volume26
Issue number2
Early online date15 Feb 2019
DOIs
Publication statusPublished - 1 Apr 2019

Keywords

  • UT-Hybrid-D
  • chimney stent-grafts
  • endoleak
  • endovascular aneurysm sealing
  • renal artery
  • type Ia endoleak
  • abdominal aortic aneurysm

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