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In contrast to organs, most tissues (with the exception of corneas) can be preserved and stored for up to five years, meaning they can be banked. Also, more than 60 grafts may be obtained from a single tissue donor.
A donor valve can be expected to last 10-20 years. Tissue Valve (sometimes called âbioprostheticâ valves) Tissue valves are created from animal donorsâ valves or other animal tissue that's strong and flexible. Tissue valves can last 10-20 years, and usually don't require the long-term use of medication. For a young person with a tissue valve replacement, the need for additional surgery or another valve replacement later in life is highly likely.