Evolving trends in aortic valve replacement: A statewide experience
Why the study?
How have the procedural volumes and patient risk profiles for TAVR and SAVR evolved over time in a statewide registry?
Population
13,987 patients undergoing aortic valve replacement in Michigan between January 2012 and June 2017
Comparison
Transcatheter aortic valve replacement (TAVR) vs Surgical aortic valve replacement (SAVR)
Design
Cohort
Authors
Discussion
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Member takes
Implication
TAVR expansion increased Michigan AVR volumes while SAVR declined; leaves open effects on selection, access, and outcomes.
Structured PICO
How have the procedural volumes and patient risk profiles for TAVR and SAVR evolved over time in a statewide registry?
P
Population
13,987 patients undergoing aortic valve replacement (9,517 SAVR and 4,470 TAVR) in Michigan between January 2012 and June 2017
I
Intervention
Transcatheter aortic valve replacement (TAVR)
C
Comparator
Surgical aortic valve replacement (SAVR)
O
Outcome
Trends in procedural volume and patient risk profiles (STS predicted risk of mortality)
The dramatic increase in TAVR volume and overall AVR volume is largely driven by patients with lower STS risk scores who are deemed higher risk by Heart Teams due to unmeasured factors.
Cite This Study
Kim et al. (2018) studied this question.