Submitted for the DFD16 Meeting of The American Physical Society Fluid-structure interaction in the left ventricle of the human heart coupled with mitral valve VALENTINA MESCHINI, Gran Sasso Science Institute, MARCO DONATO DE TULLIO, Politecnico di Bari, GIORGIO QUERZOLI, Universit di Cagliari, ROBERTO VERZICCO, Universit di Roma Tor Vergata and University of Twente — In this paper Direct Numer...

When replacing an aortic valve with a mechanical prosthesis it is essential to make the right decision, mine was on the Bicarbon Overline valve (SORIN Group). Bicarbon Overline is a bileaflet mechanical valve designed for a Totally Supra-Annular implant. The innovative design of the valve is highlighted by curved leaflets with an 80° opening angle and an aerofoil titanium housing profile leadin...

OBJECTIVE Early recurrency after surgery for acute endocarditis is a life-threatening complication. Allograft valves are supposed to have a higher resistance to recurrent infection, thus several authors claim them to be the replacement device of choice in cases of aortic endocarditis. However, allografts have two major drawbacks: their availability is limited, and most of the patients require r...

We report the case of a 39-year-old man who underwent life-saving aortic valve replacement with a bioprosthesis for acute endocarditis while on the liver transplant waiting list, followed by successful transplantation and late valve re-replacement with a mechanical prosthesis, 10.8 years after primary valve surgery.

Three-dimensional three-component (3D3C) velocity measurements were made in the flows surrounding a mechanical valve and a silicone polymer valve. Primary three-dimensional flow features were identified in the instantaneous and ensemble-averaged flows surrounding both valves.

In certain mechanical heart valves, cavitation has been shown to develop during closure and rebound, leading to valve damage, blood damage, and strokes. Whereas it is uncertain what causes mechanical heart valve related strokes, some evidence suggests that stable bubbles may be the culprits. Previous work has indicated that vortex cavitation may contribute to stable bubble growth. Therefore, in...

Heart valve-related disorders are among the major causes of death worldwide. Although prosthetic valves are widely used to treat this pathology, current prosthetic grafts cannot grow with the patient while maintaining normal valve mechanical and hemodynamic properties. Tissue engineering may provide a possible solution to this issue through using biodegradable scaffolds and patients' own cells....

Dysfunction of a mechanical prosthetic valve caused by thrombus formation is usually treated surgically. A patient with a thrombosed Björk-Shiley valve in the aortic position was treated successfully with intravenous streptokinase. The considerable improvement in the patient's clinical condition and the phonocardiographic, echocardiographic, and cinefluoroscopic evidence of normalisation of pro...

Mechanical aortic valve dysfunction is a very rare event and is usually due to thrombosis, pannus overgrowth, or both. BioGlue as a cause for such a complication has been reported only occasionally. We describe a case of a 63-year-old woman who underwent operation for symptomatic tight aortic stenosis. After implantation of an aortic valve (AGN-751, size 19; St. Jude Medical, St. Paul, MN, USA)...