Key result
The introduction of TAVI decreased the rate of unoperated aortic stenosis from 50.6% to 40.7% (p=0.002) and increased surgical referrals from 63.6% to 74.1% (p=0.003).
Why the study?
Does the introduction of a TAVI program reduce the rate of unoperated aortic stenosis and increase surgical referrals in patients with AS?
Population
841 patients with aortic stenosis identified by retrospective medical record review at a single-center…
Comparison
Introduction and availability of transcatheter… vs Era prior to the introduction of TAVI (2006-2007).
Design
Cohort
Follow-up
3 years
Authors
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TAVI introduction was associated with fewer unoperated AS cases; leaves open causal effects, requiring prospective confirmation.
Observational (n=841)
No
Does the introduction of a TAVI program reduce the rate of unoperated aortic stenosis and increase surgical referrals in patients with AS?
Absolute Event Rate: 40.7% vs 50.6%
p-value: p=0.002
The introduction of a TAVI program at a tertiary center significantly reduced the proportion of aortic stenosis patients left unoperated and increased overall surgical referrals.
Malaisrie et al. (2011) conducted an observational in Aortic stenosis (n=841). Introduction of TAVI vs. Before TAVI introduction was evaluated on Rate of unoperated aortic stenosis (p=0.002). The introduction of TAVI decreased the rate of unoperated aortic stenosis from 50.6% to 40.7% (p=0.002) and increased surgical referrals from 63.6% to 74.1% (p=0.003).
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