Regarding longevity of TAVR valves in comparison to SAVR it appears that results are inconclusive.Conclusion
TAVR valves may be associated with higher rates of 1-year, 2–3 year and 5-year moderate or severe aortic regurgitation, paravalvular leak and reintervention than SAVR valves. This could be indicative of TAVR valves being more susceptible to SVD and hence potentially less durable in the long term than SAVR valves.
https://cardiothoracicsurgery.biomedcentral.com/articles/10.1186/s13019-020-01170-7
Regarding longevity of TAVR valves in comparison to SAVR it...
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