Real-time cardiovascular magnetic resonance T1 and extracellular volume fraction mapping for tissue characterisation in aortic stenosis

Table 2 Left ventricular tissue characterisation

	MOLLI Midventricular SAX	Real-time Midventricular SAX	p-value	MOLLI Septal ROI	Real-time Septal ROI	p-value
Native	1309 (1274, 1345)	1289 (1248, 1313)	< 0.001	1310 (1287, 1342)	1291 (1261, 1322)	< 0.001
Post-contrast	520 (490, 550)	487 (451, 518)	< 0.001	525 (489, 554)	504 (470, 533)	< 0.001
ECV	26.5 (24.9, 27.8)	26.2 (24.4, 27.7)	0.073	26.5 (24.2, 28.2)	26.2 (24.4, 27.7)	0.216
Matrix volume (ml/m²)	21.0 (17.9, 26.3)	20.3 (17.0, 26.9)	0.059
Cell volume (ml/m²)	59.0 (47.8, 74.2)	59.2 (47.3, 73.5)	0.059

T1 values are reported as median in milliseconds with associated interquartile range. P-values were calculated using the Wilcoxon signed-rank test. ECV extracellular volume in %. SAX, short axis; ROI region of interest

ISSN: 1532-429X