Bailout Implantation of a New Single-Branch Stent Graft for the Aortic Arch.

In this paper we describe a case of a rapidly growing pseudoaneurysm of the aortic arch occurring after surgery for acute type A aortic dissection that was successfully treated with an off-the-shelf, single-branch, dual-module aortic arch endovascular stent graft. The main module, which has a side-branch for the innominate artery, was implanted in the aortic arch and in the descending thoracic aorta. The second module was deployed in the ascending aorta and connected to the main module through a proprietary interlocking system. Final angiography showed complete exclusion of the pseudoaneurysm and good patency of the supraaortic vessels.