The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

Implications of Hinge-Point Based Annular Plane with Abnormal Aortic Cusps in Transcatheter Aortic Valve Replacement: Advantage of Centerline Based Annular Plane Approach

DOI: 10.4244/EIJ-D-19-00760

1. Hackensack University Medical Center, Structural and Congenital Heart Center, Hackensack, NJ, United States
2. Structural and Congenital Heart Center, Hackensack University Medical Center, Hackensack, NJ, USA, United States
3. Philips Healthcare, Best, The Netherlands

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A virtual aortic annular plane that is built using the three hinge-points, known as hinge-point based annular plane (HPAP), is routinely used during transcatheter aortic valve replacement (TAVR). Abnormal aortic cusps (AAC) with unequal length and size significantly influence the relationship of HPAP to the aortic root axis and pose challenges to valve deployment leading to paravalvular leak and valve embolization. Obtaining a centerline based aortic annular plane, in addition, may help in better understanding of valve deployment behavior in AAC.

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