Inner branch stent grafts show high technical success in complex aortic repair

A two-institution study analyzed 108 patients with complex abdominal or thoracoabdominal aortic aneurysms treated with fenestrated/branched endovascular repair using stent grafts with inner branches, encompassing 181 inner branches over nearly a decade. The study reported 98.9% technical success per inner branch, 3.7% 30-day mortality, and 2-year target vessel patency of 90.5%, with renal arteries showing lower 2-year patency than splanchnic arteries (80.4% vs 98.9%). The study also found that grafts combining fenestrations with inner branches had higher freedom from target vessel instability at 2 years compared with grafts using inner branches only.

Most relevant for: Patients undergoing endovascular repair of complex abdominal or thoracoabdominal aortic aneurysms requiring branched or fenestrated stent graft technology.

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