Complete revascularization is not a prerequisite for success in current transcatheter aortic valve implantation practice

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Abstract

Objectives This study sought to assess in patients undergoing transcatheter aortic valve implantation (TAVI), the prevalence and impact of incomplete coronary revascularization defined as >50% coronary artery or graft diameter stenosis on visual assessment of the coronary angiogram. Background TAVI is an established treatment option in elderly patients with aortic stenosis (AS) and a (very) high operative risk. Coronary artery disease (CAD) is often associated with AS. Methods A single-center cohort of consecutive patients undergoing TAVI between November 2005 and June 2012 was evaluated for the presence of significant CAD. The decision to revascularize and pursue complete revascularization was made by heart team consensus. Results A total of 263 consecutive patients with a mean age of 80 ± 7 years and 51% male underwent TAVI with a median follow-up duration of 16 months (interquartile range: 4.2 to 28.1 months). Significant CAD with myocardium at risk was present in 124 patients (47%), 44 of whom had had previous coronary artery bypass grafting (CABG), and the median SYNTAX score in the 81 patients without previous CABG was 9.00 (2.38 to 15.63). Staged percutaneous coronary intervention (PCI) was planned in 19 (15%) and concomitant PCI with TAVI in 20 (16%). The median post-procedural residual SYNTAX score of patients without prior CABG was 5.00 (0.13 to 9.88). Overall, 99 patients (37%) (61 with no CABG and 38 CABG patients) had incomplete revascularization after TAVI. Revascularization status did not affect clinical endpoints. Kaplan-Meier survival curves for patients with and without complete revascularization demonstrated a 1-year mortality of 79.9% versus 77.4% (p = 0.85), respectively. Conclusions In an elderly patient population undergoing TAVI for severe AS, a judicious revascularization strategy selection by a dedicated heart team can generate favorable mid-term outcome obviating the need for complete coronary revascularization. © 2013 by the American College of Cardiology Foundation.

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Van Mieghem, N. M., Van Der Boon, R. M., Faqiri, E., Diletti, R., Schultz, C., Van Geuns, R. J., … De Jaegere, P. P. (2013). Complete revascularization is not a prerequisite for success in current transcatheter aortic valve implantation practice. JACC: Cardiovascular Interventions, 6(8), 867–875. https://doi.org/10.1016/j.jcin.2013.04.015

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