Table 2.
ECG and CMR diagnostic parameters at baseline and at 3-month follow-up
| n = 51 | |||
|---|---|---|---|
| ECG parameters | Baseline | Follow-up | p-value |
| Non-sinus rhythm | 1 (2) | 1 (2) | 1.000 |
| Ventricular extrasystole | 3 (6) | 2 (4) | 1.000 |
| Atrioventricular-block | 1 (2) | 1 (2) | 1.000 |
| Fascicular-block | 2 (4) | 5 (10) | 0.250 |
| > 0.5 mm PQ depression | 2 (4) | 1 (2) | 1.000 |
| > 1 mm ST-segment elevation | 16 (31) | 1 (2) | < 0.001 |
| > 1 mm ST-segment depression | 3 (6) | 1 (2) | 0.500 |
| T-inversion | 19 (37) | 14 (27) | 0.332 |
| Pathological QRS-T angle (> 100o) | 4 (8) | 2 (4) | 0.500 |
| Wide QRS complex (> 120 ms) | 2 (4) | 0 (0) | 1.000 |
| Prolonged QTc interval (> 420 ms) | 19 (37) | 8 (16) | 0.007 |
| CMR parameters | Baseline | Follow-up | p-value |
| LVEDDi (mm/m2) | 27 ± 3 | 27 ± 3 | 0.231 |
| Septum thickness (mm) | 8 ± 1 | 8 ± 1 | 0.702 |
| Lateral wall thickness (mm) | 9 ± 2 | 8 ± 1 | < 0.001 |
| LVEF (%) | 57 ± 7 | 57 ± 5 | 0.619 |
| LVEDVi (ml/m2) | 84 ± 16 | 82 ± 16 | 0.199 |
| LVESVi (ml/m2) | 37 ± 11 | 35 ± 9 | 0.273 |
| LV mass index (g/m2) | 60 ± 14 | 51 ± 9 | < 0.001 |
| RVEF (%) | 59 ± 10 | 60 ± 6 | 0.852 |
| RVEDVi (ml/m2) | 79 ± 15 | 80 ± 17 | 0.390 |
| RVESVi (ml/m2) | 33 ± 8 | 32 ± 10 | 0.285 |
| Visual presence score (VPS) | 3 (IQR: 1–5) | 2 (IQR: 1–4) | < 0.001 |
| Visual transmurality score (VTS) | 6 (IQR: 3–11) | 3 (IQR: 1–6) | < 0.001 |
Data as mean ± standard deviation, median and interquartile range (IQR) or count and percentage (%), as appropriate. Abbreviations: LVEDDi = left ventricular end diastolic diameter index, LVEF = left ventricular ejection fraction, LVEDVi = left ventricular end diastolic volume index, LVESVi = left ventricular end systolic volume index, RVEF = right ventricular ejection fraction, RVEDVi = right ventricular end diastolic volume index, RVESVi = right ventricular end systolic volume index