Heart valve replacement surgery typically involves replacing the faulty or leaky valve with a pig or cow tissue valve.

一般心脏瓣膜置换手术包括用猪或牛组织瓣膜置换损毁或有漏洞的瓣膜。

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There were no deaths or episodes of valve migration, tissue erosion, or significant bleeding.

未出现死亡、瓣膜移位、组织侵蚀或显著的出血。

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Objective: To study the preparation of porcine heart aortic tissue engineering valve.

目的：初步探索猪主动脉组织工程瓣膜的制备方法。

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Another type of tissue valve replacement that uses your own pulmonary valve (autograft) is sometimes possible.

CNN: Aortic valve regurgitation

Your surgeon removes your aortic valve and replaces it with a mechanical valve or a tissue valve.

CNN: Aortic valve regurgitation