Table 6.
Kinetic energy distribution in patients with anterior and inferior infarcts. Units for all KE parameters are μJ/ml
| Inferior MI (n = 13) | Anterior MI (n = 35) | P-value | |
|---|---|---|---|
| Baseline CMR Parameters | |||
| LVEDVi (ml/m2) | 83 ± 19 | 92 ± 26 | 0.56✝ |
| LVESVi (ml/m2) | 45 ± 24 | 51 ± 24 | 0.8✝ |
| SVi (ml/m2) | 41 ± 8 | 41 ± 15 | 0.26✝ |
| EF (%) | 49 ± 10 | 43 ± 21 | 0.87✝ |
| EDMi (g/m2) | 54 ± 8 | 56 ± 24 | 0.41✝ |
| IS (%) | 14.4 ± 12 | 23 ± 18 | < 0.01 |
| LV KE parameters | |||
| LV KEiEDV | 6.6 ± 3.7 | 6.4 ± 2.2 | 0. 78✝ |
| Minimal KEiEDV | 0.55 ± 0.63 | 0.74 ± 0.48 | 0.17✝ |
| Systolic KEiEDV | 7.9 ± 3.5 | 6.4 ± 2.0 | 0.33✝ |
| Diastolic KEiEDV | 6.7 ± 3.0 | 6.5 ± 3.0 | 0.68✝ |
| Peak E-wave KEiEDV | 15.6 ± 10.7 | 16.6 ± 9.9 | 0.9✝ |
| Peak A-wave KEiEDV | 11.6 ± 3.9 | 10.7 ± 7.3 | 0.63✝ |
| In-plane LV (%) | 33 ± 6 | 38 ± 8 | 0.62✝ |
| TD (msecs) | 30 ± 40 | 35 ± 38 | 0.28✝ |
All data is represented as median ± inter-quartile range
EF left ventricular ejection fraction, IS infarct size, LV left ventricle, LVEDVi Left ventricular end diastolic volume (indexed), LVESVi Left ventricular end systolic volume (indexed), LVMi left ventricular mass (indexed), MR mitral regurgitation, SVi stroke volume (indexed), TD time difference of peak E-wave KE propagation from base to mid-ventricle
✝ P-value controlled for infarct size