Why the study?
What are the long-term mortality and structural valve deterioration rates after transcatheter aortic valve-in-valve replacement?
What are the long-term mortality and structural valve deterioration rates after transcatheter aortic valve-in-valve replacement?
ViV-TAVR demonstrates stable long-term hemodynamics with infrequent clinically relevant structural valve deterioration, though the 25% mortality at 3 years reflects the high-risk nature of this patient population.
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High mortality signals high-risk population; leaves open need for longer-term SVD surveillance in prospective studies.
About one-fourth of ViV-TAVR recipients had died after a median follow-up of 3 years. Overall valve hemodynamics remained stable over time and clinically relevant SVD was infrequent, but 1 out of 10 patients exhibited some degree of SVD.
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Guimarães et al. (2018) studied this question.
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