Incomplete stent apposition >600 μm at the aneurysm neck predicts incomplete aneurysm occlusion with flow diverters

In a porcine study, incomplete stent apposition (ISA) at the aneurysm neck was universal immediately after flow diverter (FD) deployment. Maximum ISA distance >600 μm or fluctuation amplitude >50 μm independently predicted delayed occlusion and poor endothelialization at 12 week…

• Optical coherence tomography (OCT) immediately post-FD deployment documented some degree of ISA in all 15 animals, with mean maximum and average stent-wall distances of 690.74 μm and 554.10 μm, respectively.
• Complete stent apposition at the neck was observed by OCT in 64.3% (9/14) of animals by 12 weeks.
• One animal died from vessel occlusion at 4 weeks and was excluded from the 12-week analysis.

Automated summary

RadPigeon summaries are original and for information only. They are not clinical advice.