Doctoral Degrees (Cardiothoracic Surgery)
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The impact of extended harvesting times on tissue integrity of cryopreserved ovine pulmonary homograts
(University of the Free State, 2017-02)English: The use of aorta valve homografts in cardiac surgery was pioneered by Donald Ross and Barratt-Boyes (Ross, 1962; Barratt-Boyes, 1964) and today, pulmonary valve homografts remain the valved conduit of choice for ... -
Hydrodynamic and coagulation characteristics of a re-engineered mechanical heart valve in an ovine model
(University of the Free State, 2017-01)Introduction A valve with haemodynamic properties mimicking a natural heart valve and having the durability that will exceed the life expectancy of the recipient patient without requiring lifelong anti-coagulation, would ...