Why the study?
Does biological aortic valve replacement improve survival and MAPE compared to mechanical aortic valves in patients aged 55 to 65 years?
Does biological aortic valve replacement improve survival and MAPE compared to mechanical aortic valves in patients aged 55 to 65 years?
In middle-aged patients (55-65 years) undergoing aortic valve replacement, biological valves offer similar 15-year survival to mechanical valves but carry a significantly higher risk of reoperation.
Caution against changing valve selection practices in patients aged 55-65; leaves open need for randomized trials on long-term durability.
There is no difference in survival and MAPE at 15 years between biological and mechanical valves. The risk of reoperation was significantly higher in the biological valve group and may affect valve choice in middle-aged patients.
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Alex et al. (2017) studied this question.
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