Lipid Insudation as a Cause of Structural Failure of a Stentless Pericardial Bioprosthesis
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Giacomo Ravenni, Stefano Pratali, Mila Della Barbera, Marialuisa Valente, Gaetano Thiene, Uberto Bortolotti Section of Cardiac Surgery, Cardiac Thoracic and Vascular Department, University of Pisa Medical School, Pisa, Department of Medical-Diagnostic Sciences and Special Therapies, University of Padua Medical School, Padua, Italy |
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The Sorin Pericarbon Freedom (SPF) valve is a stentless bioprosthesis made from bovine pericardium, with a peculiar design aimed at preventing the mechanical failures observed with old models of stented pericardial bioprostheses. Herein, the case is described of a patient who presented with severe regurgitation of a SPF six years after aortic valve replacement, caused by commissural dehiscence. Both, microradiographic |
and histologic investigations, revealed mild calcific deposits and massive lipid infiltration, thus confirming that a patient-related mechanism such as ‘atheromasia’ can account for structural valve deterioration also in recipients of pericardial bioprostheses. |
| Lipid Insudation as a Cause of Structural Failure of a Stentless Pericardial Bioprosthesis | |
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