The Freedom SOLO bovine pericardial stentless valve

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ID: 6778
2014
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Ranked #134 of 242 articles by views in research reports in clinical cardiology

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Abstract
The Freedom SOLO bovine pericardial stentless valve Olaf Stanger, Hendrik Tevaearai, Thierry Carrel Clinic for Cardiovascular Surgery, University Hospital Berne, Switzerland Abstract: The third-generation bovine pericardium Freedom SOLO (FS) stentless valve emerged in 2004 as a modified version of the Pericarbon Freedom stentless valve and as a very attractive alternative to stented bioprostheses. The design, choice of tissue, and anticalcification treatment fulfill most, if not all, requirements for an ideal valve substitute. The FS combines the single-suture, subcoronary implantation technique with the latest-generation bovine pericardial tissue and novel anticalcification treatment. The design allows imitation of the native healthy valve through unrestricted adaption to the patient's anatomy, reproducing a normal valve/root complex. However, despite hemodynamic performance superior to stented valves, we are approaching a critical observation period as superior durability, freedom from structural valve deterioration, and nonstructural failure has not been proven as expected. However, optimal performance and freedom from structural valve deterioration depend on correct sizing and perfect symmetric implantation, to ensure low leaflet stress. Any malpositioning can lead to tissue fatigue over time. Furthermore, the potential for better outcomes depends on optimal patient selection and observance of the limitations for the use of stentless valves, particularly for the FS. Clearly, stentless valve implantation techniques are less reproducible and standardized, and require surgeon-dependent experience and skill. Regardless of whether or not stentless valve durability surpasses third-generation stented bioprostheses, they will continue to play a role in the surgical repertoire. This review intends to help practitioners avoid pitfalls, observe limitations, and improve patient selection for optimal long-term outcome with the attractive FS stentless valve. Keywords: aortic valve, bioprosthesis, cardiac surgery, aortic valve replacement, tissue valve, stentless aortic valve, hemodynamics, long-term results
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olaf2014theresearch Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Olaf Stanger;Hendrik Tevaearai;Thierry Carrel and
Journal research reports in clinical cardiology
Year 2014
DOI
10.2147/RRCC.S72978
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