In all patients with cardiac tamponade or large pericardial effusion, CT was useful either in identifying the underlying disease or in excluding other potential causes of pericardial effusion. We conclude that chest CT is a very useful non-invasive diagnostic tool to identify and stage pericardial diseases.

Both the stented Trifecta and stentless Freestyle prostheses provide excellent hemodynamic results during physical stress in patients with a small aortic annulus. Our study confirms that Trifecta implantation results in low gradients at rest and during exercise and that the performance of Trifecta is similar to that of a stentless valve.

The Freestyle stentless valve was not superior to the Trifecta valve in terms of kinematics and functions more like a stented bioprosthesis.

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