4D flow cardiovascular magnetic resonance for monitoring of aortic valve repair in bicuspid aortic valve disease

Table 4 Circumferential aortic wall shear stress subgroups

Group	pre OP	post OP	P value
BAV
Sinutubular junction (N/m²)	0.5 ± 0.2	0.4 ± 0.1	ns
Mid-ascending aorta (N/m²)	0.8 ± 0.2	0.6 ± 0.2	0.009
Proximal aortic arch (N/m²)	0.8 ± 0.3	0.6 ± 0.2	0.006
Distal aortic arch (N/m²)	0.6 ± 0.3	0.5 ± 0.2	0.003
Descending aorta (N/m²)	0.6 ± 0.3	0.5 ± 0.2	ns
UAV
Sinutubular junction (N/m²)	0.4 ± 0.2	0.3 ± 0.1	ns
Mid-ascending aorta (N/m²)	0.9 ± 0.3	0.4 ± 0.1	0.01
Proximal aortic arch (N/m²)	0.9 ± 0.5	0.4 ± 0.1	ns
Distal aortic arch (N/m²)	0.6 ± 0.2	0.5 ± 0.2	0.037
Descending aorta (N/m²)	0.6 ± 0.3	0.5 ± 0.2	ns

Values represent mean ± SD. P < 0.05 indicates a statistically significant difference. Significant values are in bold

ISSN: 1532-429X