Table 2.

MRI-derived indices of LV remodeling in Normal and 4 month MR dogs.

	Normal	MR	MR+CI
LV end-diastolic volume, mL	58±3	83±10 *	87±10*
LV end-systolic volume, mL	38±2	48±6	51±7
LV stroke volume, mL	20±2	35±5 *	36±4 *
LV ejection fraction, %	34±2	44±2 *	42±3 *
LV end-diastolic dimension, cm	3.6±0.2	4.3±0.1 *	4.3±0.2 *
LV end-systolic dimension, cm	3.3±0.1	3.6±0.1 *	3.6±0.2 *
Left atrial volume, mL	144±1	340±75 *	344±64 *
LV early diastolic filling rate (ml/sec)	148±24	240±48	269±48
LV early diastolic filling rate (EDV/sec)	2.5±0.4	2.9±0.5	3.2±0.4
Peak early mitral annular velocity (mm/sec)	30±3.5	30±12	52±14
Peak early mitral annular velocity (% LA length/sec)	53±6	48±20	81±22
Normalized Peak LV Systolic Torsion Angle (°)	2.54±0.84	3.15±0.36	4.16±0.31 *#
Sample Size, n	7	9	8

Values are mean ± SEM

^*P < 0.05 indicates significant difference from Normal group

^#P < 0.05 indicates significant difference from MR group

LA = Long axis