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The Ionescu-Shiley pericardial valve (Shiley, Inc, Irvine, CA, USA) is a first generation bioprosthesis made from bovine pericardium. Despite its excellent hemodynamic performance, use of this prosthesis ceased because it had an unacceptably high rate of early structural deteriorations, especially in the era of the standard profile valve. We experienced a rare case of very long durability of an Ionescu-Shiley standard profile (ISSP) bioprosthesis.

Twenty-six-year durability of an Ionescu–Shiley standard profile pericardial aortic valve