- Kalamazoo, MichiganDate of first commercial TAVR procedure performed*:May, 2013TAVR Total Commercial VolumeCumulative volume since program inception:507Average annual volume for reporting period:8830-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:0TAVR 30 Day Composite Score**:TAVR 30-Day Composite Rating**