Why the study?
Does PDNV during index-TAVR reduce significant THV mid-frame underexpansion in patients undergoing TAVR?
Cohort
Does PDNV during index-TAVR reduce significant THV mid-frame underexpansion in patients undergoing TAVR?
Number Needed to Treat: 17
Absolute Event Rate: 0% vs 5.9%
Number Needed to Treat: 17
Routine PDNV during index-TAVR effectively improves THV mid-frame expansion and eliminates significant underexpansion, potentially reducing the risk of structural valve degeneration.
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Tanas et al. (2026) conducted a cohort in Severe Aortic Stenosis. PDNV during index-TAVR vs. Baseline (pre-PDNV) was evaluated on Significant THV mid-frame underexpansion (≥20%) (NNT 17).
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