Does Aortic Arch Anatomy Affect Stroke Laterality in Transcatheter Aortic Valve Implantation?
Table 3
MSCT measurements.
Patient characteristics
Right-sided stroke n = 26
Left-sided stroke n = 51
value
Aortic arch anatomy, n, (%)
(i) Normal
17 (65.4%)
37 (72.5%)
0.601
(ii) Bovine type I
7 (26.9%)
13 (25.5%)
1.000
(iii) Bovine type II
2 (7.7%)
1 (2.0%)
0.262
Aortic arch configuration, n, (%)
(i) Type I
5 (19.2%)
7 (13.7%)
0.526
(ii) Type II
18 (69.2%)
39 (76.5%)
0.585
(ii) Type III
3 (11.5%)
5 (9.8%)
1.000
Take-off angle, degree (median, range)
(i) AA/BA
109.0 (70.0–145.0)
113.0 (58.0–137.0)
0.620
(ii) AA/CCA
129.5 (94.0–165.0)
126.0 (95.0–162.0)
0.337
Aortic arch angulation, degree (median, range)
95.5 (63.0–141.0)
88.0 (27.0–132.0)
0.267
Aortic arch tortuosity index (median, range)
15.8 (8.3–45.7)
14.6 (0.4–41.5)
0.527
Aortic arch angulation and aortic arch tortuosity index measurement were only performed in 69 and 70 patients, respectively, due to insufficient 3-dimensional MSCT reconstructions.
