Abstract
Preprocedural image analysis and intraprocedural techniques to fully treat infrarenal abdominal aortic aneurysm sacsoutside of the endograft with shape memory polymer (SMP) devices during endovascular aneurysm repair were developed. Prospective, multicenter, single-arm studies were performed. SMP is a porous, self-expanding polyurethane polymer material. Target lumen volumes (aortic flow lumen volume minus endograft volume) were estimated from thepreprocedural imaging studies and endograft dimensions. SMP was delivered immediately after endograft deployment via a 6F sheath jailed in a bowed position in the sac. Technical success was achieved in all cases, defined asimplanting enough fully expanded SMP volume to treat the actual target lumen volume.
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