Table 2. Results of MR imaging studies.

Left ventricular variable	Baseline N = 8 (oral medication, OT) (mean ± SEM)	Baseline N = 10 (standardized IT) (mean ± SEM)	Day 10 N = 10 (standardized IT) (mean ± SEM)	Follow up N = 7 (standardized IT) (mean ± SEM)
Heart rate (min1)	75±2.8	76±4.1	73±4.6	72±3.1
Ejection fraction (%)	71±2.8	71±2.5	73±3.3	73±3.5
End-diastolic volume (ml/m2)	59±3.5	55±5.0	49±4.8	52±5.3
End-systolic volume(ml/m2)	18±1.9	17±2.5	14±2.5	14±2.4
Stroke volume(ml/m2)	42±2.6	38±2.8	36±3.4	38±4.3
Cardiac index(l/min/m2)	3.1±0.2	2.9±0.2	2.6±0.3	2.7±0.2
Myocardial mass(g/m2)	58±3.9	54±4.0	62±4.3*	62±4.5†
Thickness in ED (mm/m2)	8.1±0.7	8.6±0.5	9.7±0.6*	9.5±0.6
Concentricity (g/ml)	0.88±0.08	0.96±0.08	1.23±0.11*	1.15±0.12
E/A ratio	1.06±0.11	0.93±0.05	0.92±0.06	0.87±0.09

Values are mean±SEM.

ED, end-diastole.

^*p<0.05 baseline IT vs. 10th day of IT,

^†p<0.05 baseline IT vs. follow up IT.