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Comparison of mechanical properties of human ascending aorta and aortic sinuses.
BACKGROUND Computational finite element models of the aortic root have previously used material properties of the ascending aorta to describe both aortic sinuses and ascending aorta. We haveExpand
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Biomechanical comparison of human pulmonary and aortic roots.
OBJECTIVE Significant dilation of the pulmonary autograft is problematic after the Ross operation and may require reoperation. Pulmonary autograft remodelling occurs in response to the immediate riseExpand
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Valve-in-valve implantation using a novel supravalvular transcatheter aortic valve: proof of concept.
BACKGROUND Transcatheter valve implantation within degenerated bioprostheses is a potentially promising treatment for high-risk surgical patients. Clinical experience is limited; however, we haveExpand
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Significant material property differences between the porcine ascending aorta and aortic sinuses.
BACKGROUND AND AIM OF THE STUDY Valve-sparing aortic root replacement techniques have been developed to treat sinus of Valsalva aneurysms. Finite-element models have been used to investigate theExpand
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Migration forces of transcatheter aortic valves in patients with noncalcific aortic insufficiency.
OBJECTIVE Transcatheter aortic valves have been successfully implanted into the calcified leaflets of patients with severe aortic stenosis. However, their stability in patients with noncalcifiedExpand
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Mechanical properties of surgical glues used in aortic root replacement.
BACKGROUND Surgical glues are used in mechanical, stentless bioprosthetic, and homograft aortic root replacements to seal and reinforce anastomotic suture lines. The aortic root normally undergoesExpand
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Computational fluid dynamics simulation of transcatheter aortic valve degeneration.
OBJECTIVES Studied under clinical trials, transcatheter aortic valves (TAV) have demonstrated good short-term feasibility and results in high-risk surgical patients with severe aortic stenosis.Expand
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Transcatheter aortic valves inadequately relieve stenosis in small degenerated bioprostheses.
OBJECTIVES Transcatheter aortic valves (TAVs) are a promising treatment for high risk surgical patients suffering from degeneration of previously implanted bioprostheses (valve-in-valve therapy).Expand
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Comparison of porcine pulmonary and aortic root material properties.
BACKGROUND The pulmonary autograft remodels when subjected to systemic pressure and subsequent dilation can lead to reoperation. Inherent material property differences between pulmonary and aorticExpand
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Leaflet stress and strain distributions following incomplete transcatheter aortic valve expansion.
Transcatheter aortic valve replacement (TAVR) is an established treatment alternative to surgical valve replacement in high-risk patients with severe symptomatic aortic stenosis. The currentExpand
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