Low incidence of paravalvular leakage with the balloon-expandable sapien 3 transcatheter heart valve

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Abstract

Background We evaluated the clinical and hemodynamic performance of the new balloon-expandable Sapien 3 (Edwards Lifesciences, Irvine, CA) transcatheter heart valve (S3 THV). Methods Between April 2013 and January 2015, 54 consecutive high-risk patients presenting with aortic stenosis were treated with the new S3 THV. Clinical and hemodynamic data as well as device and procedure variables were obtained at baseline, intraoperatively and at 30-days according to Valve Academic Research Consortium-2. Results The S3 THV was implanted in 41 patients (44% female) via transapical access and in 13 patients via transaortic access. Patients were a mean ± standard deviation age of 80.3 ± 6.0 years. The mean logistic European System for Cardiac Operative Risk Evaluation (EuroSCORE) I of all patients was 33.3% ± 13.4%, the mean The Society of Thoracic Surgeons Score was 6.7% ± 5.3%, and the mean EuroSCORE II was 7.0% ± 5.5%. All patients underwent successful implantation (23 mm, n = 12; 26 mm, n = 22; 29 mm, n = 20), without any intraprocedural complications or repeat ballooning. At 30 days, 53 patients (97.8%) showed no or mild paravalvular aortic regurgitation, 1 patient (2.2%) showed moderate regurgitation, and no patients had more than moderate postprocedural aortic regurgitation. Stroke incidence was 3.7% (2 of 54), and all-cause mortality was 3.7% (2 of 54, sepsis and multiorgan failure). Two patients required a new pacemaker. At 30 days, all patients were in New York Heart Association Functional Class I or II, and the mean pressure gradients were 10.8 ± 3.6 mm Hg. Conclusions The present study shows excellent clinical and hemodynamic outcomes of high-risk transapical valve replacement patients treated with the new S3 THV. The S3 THV shows a low incidence of postoperative aortic regurgitation, with 98% presenting with less than mild aortic regurgitation.

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Wendt, D., Al-Rashid, F., Kahlert, P., Eißmann, M., El-Chilali, K., Jánosi, R. A., … Thielmann, M. (2015). Low incidence of paravalvular leakage with the balloon-expandable sapien 3 transcatheter heart valve. In Annals of Thoracic Surgery (Vol. 100, pp. 819–826). Elsevier USA. https://doi.org/10.1016/j.athoracsur.2015.03.079

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