Physician-Modified Single-Fenestrated EndoSuture Aneurysm Repair (FESAR) for Urgent Juxtarenal AAA Repair

Abstract

Purpose:

To describe the endovascular treatment of a symptomatic juxtarenal abdominal aortic aneurysm (JAAA) using a combination of endoanchors (Heli-FX EndoAnchor, Medtronic, Minneapolis, Minnesota) and a physician-modified single-fenestrated endograft.

Technique:

An 85 year-old patient unfit for open aortic repair presented for a symptomatic JAAA, characterized by an infrarenal neck with 0.6 cm in length and 23 mm in diameter. A 28 mm-diameter Endurant aortic cuff (Medtronic, Minneapolis, Minnesota) was modified with a single fenestration for the left renal artery (LRA) and diameter-reducing tie, then re-sheathed and deployed. The LRA was cannulated with a 7F sheath and the constraining wire was withdrawn. Being the shortest neck length on the right side of the cuff, the endograft was anchored to the aortic wall on this side with 2 endoanchors. The LRA was stented and flared, then a distal physician-modified (without free-flow) bifurcated Endurant graft (Medtronic, Minneapolis, Minnesota) was overlapped with the proximal cuff and stabilized with 6 endoanchors. Correct positioning with complete aneurysm exclusion was confirmed with a 30 day and 9 month computed tomography angiograms.

Conclusions:

In extremely selected cases, association of endoanchors and single-fenestrated physician-modified graft may be useful to treat complex urgent aortic aneurysm using readily available devices.

Clinical Impact

This technical note demonstrates the feasibility of a single-fenestrated physician-modified Endurant endograft deployed in combination with endosuture fixation (FESAR), to urgently treat a juxtarenal aortic aneurysm unfit for open repair and not suitable for standard endovascular repair nor off-the-shelf endografts.

Keywords

aortic aneurysm abdominal aorta renal artery aortic endograft physician-modified endograft endovascular treatment/therapy endovascular aneurysm repair fenestration urgent procedure

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