- Silver Spring, MarylandDate of first commercial TAVR procedure performed*:Jul, 2015TAVR Total Commercial VolumeCumulative volume since program inception:413Average annual volume for reporting period:9030-Day Risk Adjusted TAVR Composite 1,2,3Reporting Period:October 1, 2018 to September 30, 2021Eligible procedures in reporting period:250TAVR 30 Day Composite Score**:0.01(-0.02, 0.04)0.01% (-0.02, 0.04)Site ScoreSite Credible IntervalTVT RangeTVT Average ScoreTAVR 30-Day Composite Rating**