Title

Novel Methods and Considerations for Addressing Aortic Arch Hypoplasia and Coarctation

Document Type

Poster

Publication Date

2017

Disciplines

Cardiology

Abstract

Numerous surgical approaches have been proposed to treat aortic arch hypoplasia (Figures 1&2). These repairs can vary based upon patient age (i.e. neonatal vs larger child), and therefore the mobility of the aorta. Most repairs can be classified into two categories - those that incorporate a patch and those that do not. The decision between repairs remains largely experiential, rather than empirical, due to the limited number of reported outcomes. We report early outcomes from a novel surgical paradigm for arch hypoplasia utilizing a beating-heart, modified aortic arch advancement (with anterior patch, Figure 1B) for all neonates and a beating-heart, sliding arch aortoplasty (all-autologous repair, Figure 2) for all children beyond infancy. Additionally, we present computational fluid dynamic (CFD) modeling data to better understand the hemodynamic consequences associated with a patch utilization during neonatal aortic arch advancement (Figure 3).

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