CMR findings
| Variable | Baseline(n = 32) | Follow up(n = 32) | P value |
|---|---|---|---|
| LV end diastolic volume (ml) | 159 ± 29 | 145 ± 22 | 0.005* |
| LV end diastolic volume index (ml/m2) | 78 ± 12 | 73 ± 10 | 0.02* |
| LV end systolic volume (ml) | 64 ± 16 | 65 ± 19 | 0.5 |
| LV end systolic volume index (ml/m2) | 31 ± 7 | 33 ± 9 | 0.3 |
| LV stroke volume (ml) | 95 ± 20 | 80 ± 14 | 0.001* |
| LV ejection fraction (%) | 60 ± 7 | 55 ± 8 | 0.0001* |
| ΔLVEF (%) | - (5.66 ± 4.38) | ||
| LV mass (gm) | 102 ± 17 | 94 ± 16 | 0.01* |
| LV mass index (gm/m2) | 51 ± 8 | 47 ± 8 | 0.04* |
| LV mass to LV end diastolic volume (gm/ml) | 0.65 ± 0.12 | 0.66 ± 0.14 | 0.8 |
| Peak diastolic circumferential strain rate (1/s) | 0.98 ± 0.28 | 1.04 ± 0.23 | 0.4 |
| Peak diastolic longitudinal strain rate (1/s) | 0.75 ± 0.21 | 0.69 ± 0.16 | 0.2 |
| RV end diastolic volume (ml) | 166 ± 33 | 142 ± 25 | 0.03* |
| RV end diastolic volume index (ml/m2) | 82 ± 14 | 71 ± 12 | 0.0001* |
| RV end systolic volume (ml) | 76 ± 18 | 70 ± 16 | 0.05* |
| RV end systolic volume index (ml/m2) | 37 ± 8 | 35 ± 8 | 0.1 |
| RV stroke volume (ml) | 91 ± 20 | 72 ± 15 | <0.0001* |
| RV ejection fraction (%) | 55 ± 5 | 51 ± 7 | 0.003* |
| ΔRVEF (%) | - (6.69 ± 4.15) | ||
| LA maximum volume (ml) | 88 ± 17 | 67 ± 21 | 0.0001* |
| LA ejection fraction (%) | 58 ± 6 | 56 ± 9 | 0.4 |
| Extra-cellular volume (%) | 24.96 ± 3.02 | 24.10 ± 2.66 | 0.3 |
Values are mean±standard deviations or percentages. *signifies P?0.05. CMR-cardiac magnetic resonance imaging; n-numbers; LV-left ventricle; ml-milliliters; m-metre; ΔLVEF-change in LV ejection fraction; gm-grams; s-seconds; RV-right ventricle; ?RVEF-change in RV ejection fraction; LA-left atrium.