| 单词 | bioprosthetic valve |
| 释义 | bioprosthetic valvebioprosthetic valveAn implanted device of non-synthetic origin designed to replace a defective heart valve. Porcine bioprosthetic valves are less thrombogenic than mechanical valves, but are more prone to structural degeneration, limiting their durability (35% fail within 15 years).bioprosthetic valveSurgery An implanted device of nonsynthetic origin designed to replace a defective heart valve; porcine BV, are less thrombogenic than mechanical valves, but are more prone to structural degeneration, limiting their durability. See Heart-valve prosthesis. |
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