Endovascular repair of abdominal aortic aneurysm with severely angulated neck and tortuous artery access: case report and literature review

BMC Surgery

Mingliang Peng¹  Xiaoyong Huang¹  Lianjun Huang¹  Qinglong Zeng¹ 

[1] Aortic Center of Anzhen Hospital affiliated to Capital Medical University, Beijing, China

关键词: Endovascular aneurysm repair;    Hostile neck;    Abdominal aortic aneurysm;   

Others  :  1138390
DOI  :  10.1186/s12893-015-0005-5

 received in 2014-10-08, accepted in 2015-02-06,  发布年份 2015

【 摘 要 】

Background

Endovascular aneurysm repair has revolutionized the therapeutic strategy for abdominal aortic aneurysm. However, hostile proximal aneurysmal neck and tortuosity of access vessels remain challenges in selecting optimal stent-grafts in abdominal aortic aneurysms with difficult anatomy.

Case presentation

A 65-year-old woman complained of intermittent abdominal pain for one week. Computed tomography angiogram demonstrated a tortuous infrarenal abdominal aortic aneurysm with a tapered neck and a 136° of infrarenal angulation. Aneurysmal dilatation and severe calcification of bilateral iliac arteries and tortuous aortoiliac access were also showed. Endovascular approach using Endurant stent-graft was attempted at an outside hospital, but failed because of the significant tortuosity of the abdominal aorta and iliac arteries. Since the patient refused to have open aneurysm repair, he was transferred to our hospital for further evaluation and possible EVAR with a different approach. EVAR was performed successfully using Gore Excluder stent-grafts (W.L. Gore & Associates, Flagstaff, AZ, USA). During the procedure, cannulation of the contralateral limb was unable to be achieved because of the tortuous aortoiliac course. Therefore, a snare was inserted from right radial artery, through the contralateral gate, to grasp the wire from left femoral artery. Two iliac stent-grafts were sequentially deployed with the lower end distal to the opening of the left internal iliac artery. Angiography confirmed complete sealing of the aneurysm with patency of bilateral renal arteries and external iliac arteries. The postoperative courses were uneventful and follow-up computed tomography angiogram at 6 months demonstrated patent bilateral femoral and renal arteries without endoleaks or stent migration.

Conclusion

Although endovascular repair of aortic aneurysm with hostile neck and tortuous access is rather challenging, choosing flexible stent-grafts and suitable techniques is able to achieve an encouraging outcome.

【 授权许可】

   
2015 Zeng et al.; licensee BioMed Central.

【 图 表 】

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