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Comparison between three types of stented pericardial aortic valves (Trivalve trial): study protocol for a randomized controlled trial

Abstract : Background
Aortic valve stenosis is one of the most common heart diseases in older patients. Nowadays, surgical aortic valve replacement is the 'gold standard' treatment for this pathology and the most implanted prostheses are biological ones. The three most implanted bovine bioprostheses are the Trifecta valve (St. Jude Medical, Minneapolis, MN, USA), the Mitroflow valve (Sorin Group, Saluggia, Italy), and the Carpentier-Edwards Magna Ease valve (Edwards Lifesciences, Irvine, CA, USA). We propose a randomized trial to objectively assess the hemodynamic performances of these bioprostheses.
Methods and design
First, we will measure the aortic annulus diameter using CT-scan, echocardiography and by direct sizing in the operating room after native aortic valve resection. The accuracy of information, in terms of size and spatial dimensions of each bioprosthesis provided by manufacturers, will be checked. Their hemodynamic performances will be assessed postoperatively at the seventh day and the sixth month after surgery.
Discussion
This prospective controlled randomized trial aims to verify and compare the hemodynamic performances and the sizing of these three bioprostheses. The data obtained may help surgeons to choose the best suitable bioprosthesis according to each patient's morphological characteristics.
Trial registration
ClinicalTrials.gov Identifier: NCT01522352
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Submitted on : Wednesday, December 11, 2013 - 9:04:04 AM
Last modification on : Friday, May 29, 2020 - 3:09:21 PM
Long-term archiving on: : Friday, March 14, 2014 - 10:20:52 AM

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Kasra Azarnoush, Bruno Pereira, Christian Dualé, Enrica Dorigo, Mehdi Farhat, et al.. Comparison between three types of stented pericardial aortic valves (Trivalve trial): study protocol for a randomized controlled trial. Trials, BioMed Central, 2013, 14 (1), pp.413. ⟨10.1186/1745-6215-14-413⟩. ⟨inserm-00916944⟩

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