Key result
A 71-year-old man developed a graft-wall endoleak 18 months after endoluminal AAA repair, suggesting that thin-walled graft material may lack sufficient durability.
Case Report (n=1)
The use of thin-walled graft material in endografts for AAA repair may not be sufficiently durable, as evidenced by a late graft-wall endoleak.
Raises caution for thin-walled endografts in AAA repair; leaves open durability questions for prospective study.
Purpose: To describe a case of graft-wall endoleak 18 months after successful endoluminal repair of an abdominal aortic aneurysm (AAA). Methods and Results: A 71-year-old man with infrarenal AAA was successfully treated with an endoluminal aortomonoiliac graft and femorofemoral crossover bypass with surgical ligation of the right external iliac artery. The stent-graft was made from 2 Gianturco Z-stents and a tapered thin-walled (0.1-mm) Dacron graft. Eighteen months after endografting, the patient complained of a pulsatile abdominal mass. Angiography and computed tomography showed graft-wall endoleak. Aneurysmectomy was performed, and the aneurysm was successfully replaced with a Y-shaped knitted Dacron graft. A hole in the graft wall was found 3 cm from the proximal edge of the stent-graft. Conclusions: This case suggests that the use of thin-walled graft material in endografts may not be sufficiently durable.
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Midorikawa et al. (1999) conducted a case report in Abdominal aortic aneurysm (AAA) (n=1). Endoluminal aortomonoiliac graft with thin-walled Dacron was evaluated on Graft-wall endoleak. A 71-year-old man developed a graft-wall endoleak 18 months after endoluminal AAA repair, suggesting that thin-walled graft material may lack sufficient durability.
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