Hemodynamic evaluation in patients with transposition of the great arteries after the arterial switch operation: 4D flow and 2D phase contrast cardiovascular magnetic resonance compared with Doppler echocardiography

Table 1 Comparison of peak velocities between 4D flow CMR and 2D PC CMR

	Sample size (n)	4D flow CMR peak velocity (m/s)	2D PC CMR peak velocity (m/s)	p-value
		mean (SD)	mean (SD)	p-value
AAO	19	1.4 (0.4)	1.1 (0.3)	0.003
MPA	18	1.5 (0.6)	1.2 (0.5)	0.002
RPA	17	1.8 (0.6)	1.5 (0.7)	0.005
LPA	17	1.7 (0.5)	1.5 (0.5)	0.200

ISSN: 1532-429X