Fully quantitative mapping of abnormal aortic velocity and wall shear stress direction in patients with bicuspid aortic valves and repaired coarctation using 4D flow cardiovascular magnetic resonance

Table 5 Regression analyses between abnormally directed hemodynamics > 120° and BAV subject characteristics

	Total model^a		Age^b (years)		Gender^b (–)		STJ Diameter^c (cm)		MAA Diameter^c (cm)		Peak velocity Echo^c (m/s)		AR^c (–)
	R²	P	R	P	R	P	R	P	R	P	R	P	R	P
Inner velocity (cm³)	0.71	< 0.001	0.59	< 0.001	0.40	0.005	0.51	< 0.001	0.68	< 0.001	0.45	0.001	0.15	0.302
Outer velocity (cm³)	0.64	< 0.001	0.28	0.052	0.08	0.585	0.59	< 0.001	0.64	< 0.001	0.32	0.031	0.33	0.023
Inner WSS (cm²)	0.67	< 0.001	0.56	< 0.001	0.33	0.023	0.49	< 0.001	0.60	< 0.001	0.51	< 0.001	0.11	0.484
Outer WSS (cm²)	0.65	< 0.001	0.23	0.105	0.09	0.529	0.54	< 0.001	0.56	< 0.001	0.30	0.038	0.39	0.007
Inner Vorticity (1/s)	0.51	0.001	− 0.34	0.018	− 0.09	0.546	− 0.12	0.428	− 0.24	0.103	0.42	0.003	0.15	0.302
Outer Vorticity (1/s)	0.67	< 0.001	− 0.21	0.158	0.06	0.703	− 0.15	0.305	− 0.21	0.159	0.62	< 0.001	0.19	0.199

Bold values are statistically significant
P < 0.0125 considered significant
WSS wall shear stress, STJ sinotubular junction, MAA mid-ascending aorta, AR aortic insufficiency
^a46 subjects
^b48 subjects
^c47subjects

ISSN: 1532-429X