I don't know of any specific information regarding the longevity of an aortic valve homograft in relation to physical activity and stress. However, if there is a chance you will be kicked or punched in the chest during martial arts, then you should speak with your cardiologist and surgeon about whether such contact could damage your sternum after the surgery. Overall, a homograft is the best choice for a young person who would like to remain active after the AVR, but you must realize that a homograft has an expected longevity of 15-20 years which means you may need another AVR in the future. The most durable aortic prosthesis is a mechanical valve. I hope you find this information useful.
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