3 Similarly, in high-risk operable patients (PARTNER Cohort A and CoreValve US Pivotal Trial), TAVR was associated with a highly significant and clinically meaningful improvement in the KCCQ-OS Score (increase of 20–30 points) at 1 month, 6 months and 1 year compared with the baseline, 4 5 with a more rapid improvement in TAVR arm compared with surgery (1-month scores greater after TAVR).
1
—
—