Single-Breathhold Four-Dimensional Assessment of Left Ventricular Morphological and Functional Parameters by Magnetic Resonance Imaging Using the VAST Technique

Table 1: Comparison Between the Quantitative Assessment of LV Volumes, Mass and Function by the 2D and the 3D Cine-MR Techniques

Parameter	2D	3D	Bias	P	95% Limits of Agreement	Correlation Coefficient	Linear Regression Equation	P
Volunteers
LV EDV (ml)	136 ± 27	118 ± 21	-18 ± 12	<0.001	-41/6	0.91	y = 0.70x + 22.7	<0.001
LV ESV (ml)	41 ± 8	41 ± 6	-1 ± 6	0.68	-12/11	0.71	y = 0.57x + 17.1	<0.001
LV SV (ml)	94 ± 23	78 ± 17	-17 ± 12	<0.001	-41/8	0.87	y = 0.63x + 18.1	<0.001
LV EF (%)	69 ± 6	65 ± 5	-3 ± 4	0.01	-12/5	0.70	y = 0.55x + 26.8	<0.001
LV mass (g)	98 ± 25	95 ± 25	-3 ± 7	0.14	-18/12	0.96	y = 0.96x + 0.4	<0.001
Patients
LV EDV (ml)	165 ± 83	149 ± 81	-16 ± 17	<0.001	-50/18	0.98	y = 0.95x - 8.2	<0.001
LV ESV (ml)	83 ± 80	81 ± 77	-2 ± 10	0.23	-22/18	0.99	y = 0.96x + 1.2	<0.001
LV SV (ml)	82 ± 28	68 ± 25	-14 ± 14	<0.001	-43/15	0.86	y = 0.76x + 5.4	<0.001
LV EF (%)	56 ± 18	52 ± 18	-4 ± 6	<0.001	-15/8	0.95	y = 0.92x + 0.9	<0.001
LV mass (g)	139 ± 52	138 ± 48	0 ± 19	0.99	-39/38	0.93	y = 0.85x + 19.2	<0.001

LV denotes left ventricular; 2D, two-dimensional; 3D, three-dimensional; EDV, end-diastolic volume; ESV, end-systolic volume; SV, systolic volume; and EF, ejection fraction.