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OBJECTIVES The open-style stent graft technique has been changing the strategy for true distal arch aneurysms extending to the descending aorta. Our mid-term results of surgical repair using a J-graft open stent graft are presented. METHODS Between May 2015 and June 2020, 69 patients with a distal arch aneurysm (53 males, median age 74 years) underwent total arch replacement combined with J-graft open stent deployment. All 59 surviving patients were followed for a median follow-up period of 1.8 (0.6–3.6) years. RESULTS Antegrade deployment was successfully performed in all patients without any difficulties. The deployed device was securely fixed at the target area, and it initiated thrombus formation. The diameter of the excluded aneurysm was decreased in 54 patients (91.5%) during the follow-up period. There were no type I endoleaks, but there were 3 type II endoleaks; 2 of the 3 type II endoleaks disappeared during the follow-up period. Additional endovascular operations were performed in 3 patients. There were 10 in-hospital deaths (14.5%), and the incidences of stroke, spinal cord injury and distal embolism were 11.6%, 5.8% and 2.9%, respectively. The 1- and 3-year survival rates were 84.8% and 79.4%, respectively, and the 1- and 3-year freedom from reintervention rates were 97.2% and 81.3%, respectively. CONCLUSIONS The J-graft open stent graft was easy to deploy, and it could shift the distal anastomosis to a more proximal side. The mid-term performance of this device was good. It has the potential to provide one-stage repair.

Total aortic arch replacement using the J-graft open stent graft for distal aortic arch aneurysm: report from two centres in Japan