Double-Cuff Bidirectional Branch in Endovascular Aortic Repair: A New Way of Increasing the Flexibility of Inner Branch Endografting

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


Purpose: The purpose of the study was to describe the design and implantation of a branched stent-graft during endovascular aortic repair incorporating double-cuff bidirectional inner branch. Technique: A new double-cuff bidirectional antegrade and retrograde inner branched stent-graft with large diamond-shaped fenestration was designed for incorporation of a splenic artery. The inner cuffs of the branch were accessible using brachial and/or femoral access. The splenic artery was originating from an aortic segment with narrow inner aortic luminal diameter in a patient with extent IV thoracoabdominal aortic aneurysm with bilobed configuration. The retrograde, more distal inner cuff of the branch was extended into the splenic artery using a self-expandable bridging stent-graft from the femoral approach, whereas the antegrade, more proximal inner cuff of the branch was intentionally occluded using an endovascular plug. The recovery was uneventful and a computed tomography angiography 30 days postoperatively showed patency of all the target vessels without signs of endoleaks. Conclusion: This is the first design of a double-cuff bidirectional inner branched stent-graft. The technique can potentially expand the applications of directional branches to patients with more difficult anatomy in the thoracoabdominal or aortic arch segments. Potential indications are patients with target arteries that are not ideally suited for caudally-oriented branches, patients with accessory vessels, or targets with early branch bifurcations. Clinical Impact: This report describes the use of a branched endograft with a new double-cuff bidirectional branch that can potentially address many of the limitations of current BEVAR solutions, such as early bifurcations, double arteries with adjacent origins and arteries with less favorable trajectories for the traditional caudally-oriented branches.

TidskriftJournal of Endovascular Therapy
StatusAccepted/In press - 2022

Ämnesklassifikation (UKÄ)

  • Kardiologi


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