Taylor Zhou

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AIMS Ventricular assist devices (VADs) are now a mainstay in the management of patients with end-stage heart failure. An important consideration in the long-term durability of these devices is the structural integrity of the prosthetic valves. Herein, we report the morphological findings in inflow and outflow explanted bioprostheses from seven such devices.(More)
BACKGROUND The Medtronic Freestyle valve is fixed in glutaraldehyde at zero pressure on the cusps and treated with alpha-amino oleic acid. This valve reportedly has excellent clinical and hemodynamic results, but little has been reported about its long-term pathology. METHODS AND RESULTS Nine Freestyle valves explanted between 2003 and 2005 were reviewed(More)
A 27-year-old man who received a HeartMate (Thoratec Corporation, USA) left ventricular assist device for progressive heart failure as a bridge to orthotopic heart transplantation is described in the present report. The device failed (mechanical failure) after almost 19 months. The porcine bioprosthetic valves in the inflow and outflow cannulae showed(More)
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