A Novel Single-Branched Stent-graft System for Aortic Dissection Involving the Aortic Arch

PURPOSE This report describes first-in-human experiences and early results of novel Super-Channel stent-graft system (SC) for aortic arch pathologies. DESCRIPTION The SC system consists of a modular design comprising a pre-fenestrated main stent-graft and a designed skirt-flared bridging covered stent to enhance the structural integrity of the stent connection. The SC incorporates a preloaded catheter for precise supra-aortic cannulation, along with a pre-curved delivery system that enables navigation and accurate alignment. Collectively, these design features facilitate efficient reconstruction of the supra-aortic branches while repairing aortic arch pathologies. EVALUATION We reported 10 patients diagnosed with type B aortic dissections. Technical success, defined as accurate stent deployment, complete exclusion of pathology, patency of stent-grafts and absence of early endoleaks, was achieved in all patients. No major complications, such as death, stroke and paraplegia, were observed. CONCLUSIONS The novel Super-Channel system may be a safe and effective option for single-branch revascularization in endovascular repair. However, caution is warranted in extending its use to routine cases, given the limited evidence on outcomes.