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Comparison of hemodynamic performance of the balloon-expandable SAPIEN 3 versus SAPIEN XT transcatheter valve.

Monday, November 17, 2014

Submitted by

J. Rafael Sadaba

Source

Source Name: American Journal of Cardiology

Source URL: http://www.ajconline.org/article/S0002-9149(14)01447-7/abstract

Author(s)

Amat-Santos IJ, Dahou A, Webb J, Dvir D, Dumesnil JG, Allende R, Ribeiro HB, Urena M, Paradis JM, DeLarochellière R, Dumont E, Bergeron S, Thompson CR, Pasian S, Bilodeau S, Leipsic J, Larose E, Pibarot P, Rodés-Cabau J.

This is a matched case controlled study of 27 consecutive patients with severe symptomatic aortic stenosis undergoing transcatheter aortic valve implantation (TAVI) with the SAPIEN 3 (SV3)device in 2 centers. These patients were matched with patients who had undergone TAVI with the 26-mm SAPIEN XT (SXTV) who were drawn from a prospective database of 270 consecutive patients.

The rate of balloon postdilation after valve implantation was higher in the SXTV group compared with the S3V group (p = 0.047). In the S3V group, only 2 patients (7%) had a paravalvular leak graded as mild or greater, compared with 42% of the patients in the SXTV group (p = 0.002). In the univariate analysis, the implantation of the S3V was the only factor associated with no/trace paravalvular leaks after TAVI.