Rapid deployment valve system shortens operative times for aortic valve replacement through right anterior minithoracotomy

Journal of Cardiothoracic Surgery
Constanze BeningRainer Leyh

Abstract

There is growing evidence from the literature that right anterior minithoracotomy aortic valve replacement (RAT-AVR) improves clinical outcome. However, increased cross clamp time is the strongest argument for surgeons not performing RAT-AVR. Rapid deployment aortic valve systems have the potential to decrease cross-clamp time and ease this procedure. We assessed clinical outcome of rapid deployment and conventional valves through RAT. Sixty-eight patients (mean age 76 ± 6 years, 32% females) underwent RAT-AVR between 9/2013 and 7/2015. According to the valve type implanted the patients were divided into two groups. In 43 patients (R-group; mean age 74.1 ± 6.6 years) a rapid deployment valve system (Edwards Intuity, Edwards Lifesciences Corp; Irvine, Calif) and in 25 patients (C-group; mean age 74.2 ± 6.6 years) a conventional stented biological aortic valve was implanted. Aortic cross-clamp (42.1 ± 12 min vs. 68.3 ± 20.3 min; p < 0.001) and bypass time (80.4 ± 39.3 min vs. 106.6 ± 23.2 min; p = 0.001) were shorter in the rapid deployment group (R-group). We observed no differences in clinical outcome. Postoperative gradients (R-group: max gradient, 14.3 ± 8 mmHg vs. 15.5 ± 5 mmHg (C-group), mean gradient, 9.2 ± 1.7 mmHg (R-gro...Continue Reading

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Citations

Mar 9, 2019·Heart·Marjan JahangiriEnoch Akowuah
Sep 11, 2020·Interactive Cardiovascular and Thoracic Surgery·Idserd David Gérard KlopPythia T Nieuwkerk
Aug 28, 2020·Journal of Cardiothoracic Surgery·Siobhan ChienRenzo Pessotto
May 16, 2019·Innovations : Technology and Techniques in Cardiothoracic and Vascular Surgery·Igo B Ribeiro, Marc Ruel

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