Clinical Factors and Outcomes When Real-World Heart Teams Overruled STS Risk Scores in TAVR Cases
Table 3
Procedure information of TAVR groups.
TAVR
TAVR
value
STS PROM≤3% (N = 415)
STS PROM>3% (N = 2,711)
TAVR access site, N (%)
<0.001
Femoral
389 (94.0%)
2345 (87.0%)
Transapical
14 (3.4%)
191 (7.1%)
Transcarotid
6 (1.4%)
73 (2.7%)
Subclavian/axillary
3 (0.7%)
62 (2.3%)
Others
3 (0.7%)
40 (1.5%)
TAVR procedure time (min), mean ± SD
86.6 ± 43.6
94.5 ± 50.4
0.003
TAVR procedure time (min), median (IQR)
74.0 (57.0–104.0)
81.0 (61.0–113.0)
<0.001
Contrast volume (ml), median (IQR)
100.0 (65.0–150.0)
90.0 (60.0–130.0)
0.003
Fluoroscopy time, median (IQR)
13.6 (9.2–20.0)
14.6 (9.9–20.9)
0.115
Type of valve, N (%)
Single balloon-expandable valve
319 (76.9%)
2023 (74.6%)
0.326
Single self-expanding valve
84 (20.2%)
615 (22.7%)
0.266
Multiple valves
5 (1.2%)
42 (1.5%)
0.591
Abbreviations: SD=standard deviation; IQR=interquartile range; STS PROM=predicted risk of mortality for surgical aortic valve replacement based on the Society for Thoracic Surgeon's risk model; TAVR=transcatheter aortic valve replacement.
