Evaluation of bicuspid aortic valve-associated aortopathic changes using third-generation dual-source computed tomography

Table 2 Aortic dimensions, aortic size index distribution, and aortopathic changes (n = 100), mean ± SD/n (%)

Parameter	Value
Aortic dimensions (mm)
Aortic annulus	25.43 ± 5.02
Sinus of Valsalva	34.55 ± 6.74
Ascending aorta	42.79 ± 8.69
Aortic arch	26.19 ± 4.77
Proximal descending thoracic aorta	22.81 ± 3.78
Descending thoracic aorta at hiatus	18.94 ± 2.80
Ascending aorta diameter categories (mm)
< 35	13 (13.0)
35-39	22 (22.0)
40-44	32 (32.0)
≥ 45	33 (33.0)
ASI (mm/m2)	25.13 ± 5.71
< 20 (low risk)	12 (12.0)
20-25 (moderate risk)	46 (46.0)
> 25 (high risk)	42 (42.0)
Aortopathic changes
Aortic dilatation > 40 mm	61 (61.0)
Aortic valve calcification	73 (73.0)
Aortic wall calcification	21 (21.0)
Aortic wall thickening > 4 mm	5 (5.0)
Aortic dissection (Stanford type A)	1 (1.0)
Aortic coarctation/narrowing	2 (2.0)

ASI: Aortic size index.