• J. Am. Coll. Cardiol. · Jun 2013

    Comparative Study

    The transaortic approach for transcatheter aortic valve replacement: initial clinical experience in the United States.

    • Joel A Lardizabal, Brian P O'Neill, Harit V Desai, Conrad J Macon, Alexis P Rodriguez, Claudia A Martinez, Carlos E Alfonso, Martin S Bilsker, Roger G Carillo, Mauricio G Cohen, Alan W Heldman, William W O'Neill, and Donald B Williams.
    • Multidisciplinary Structural Heart Disease Program at the University of Miami-Miller School of Medicine, Miami, Florida, USA. jlardizabal@heart24.com
    • J. Am. Coll. Cardiol. 2013 Jun 11;61(23):2341-5.

    ObjectivesThis study sought to investigate the technical feasibility and safety of the transaortic (TAO) transcatheter aortic valve replacement (TAVR) approach in patients not eligible for transfemoral (TF) access by using a device commercially available in the United States.BackgroundA large proportion of candidates for TAVR have inadequate iliofemoral vessels for TF access. The transapical route (TAP) is the current alternative but is associated with less favorable outcomes. Other access options need to be explored.MethodsForty-four consecutive patients with inoperable, severe aortic stenosis underwent TAO TAVR in our institution. Procedural and 30-day clinical outcomes data were compared with data from 76 consecutive patients who underwent TAP TAVR at our site. Technical learning curves were assessed by comparing outcomes of the first 20 cases with the subsequent patients who underwent each procedure.ResultsThe TAO and TAP TAVR groups were similar in terms of device success according to Valve Academic Research Consortium criteria (89% vs. 84%; p = 0.59) and rates of the 30-day combined safety endpoint of all-cause mortality, myocardial infarction, major stroke, disabling bleeding, severe acute kidney injury, and valve reintervention (20% vs. 33%; p = 0.21). The TAO approach, compared with TAP TAVR, was associated with lower combined bleeding and vascular event rate (27% vs. 46%; p = 0.05), shorter median intensive care unit length of stay (3 vs. 6 days; p = 0.01), and a favorable learning curve.ConclusionsTAVR via the TAO approach is technically feasible, seems to be associated with favorable outcomes, and expands the current alternative options for access sites in patients with inoperable aortic stenosis who are ineligible for TF TAVR.Copyright © 2013 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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