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Abstract

Purpose:

To evaluate a homemade tricuspid valve placed in the short limb of a bifurcated aortic stent-graft to facilitate endovascular treatment of ruptured abdominal aortic aneurysms (AAA).

Methods:

A valve consisting of 3 polytetrafluoroethylene cusps was constructed in the short limb of a bifurcated stent-graft. The endoprosthesis was placed into an in vitro circulation model with pulsatile flow. Angiography was performed before and after insertion of the second graft limb.

Results:

Angiographically, there was complete occlusion of the short limb before and normal patency after deployment of the second graft limb. Cannulation of the short limb with a guidewire was performed without technical difficulty.

Conclusions:

Addition of a temporary hemostatic valve in the short limb of a bifurcated stent-graft can potentially reduce blood loss during endovascular treatment of ruptured AAAs.

Keywords

abdominal aortic aneurysm rupture endovascular repair bifurcated stent-graft modular valve hemostatic valve

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A Temporary Hemostatic Valve in the Short Limb of a Bifurcated Stent-Graft to Facilitate Endovascular Repair of Ruptured Aortic Aneurysm: Experimental Findings