Table 1.
Echocardiographic data
| Baseline (n = 17) | Post MI (n = 17) | p value | |
|---|---|---|---|
| Left ventricular remodeling | |||
| LVEDV, ml | 29 ± 1 | 36 ± 2 | < 0.001 |
| LV mass, g | 74 ± 3 | 95 ± 5 | < 0.001 |
| RWT | 0.46 ± 0.01 | 0.36 ± 0.02 | < 0.001 |
| Left ventricular systolic function | |||
| LVEF, % | 0.70 ± 0.01 | 0.57 ± 0.01 | < 0.001 |
| LVESV, ml | 8.8 ± 0.6 | 15.5 ± 1.0 | < 0.001 |
| WMSI | 1 ± 0.00 | 1.81 ± 0.06 | < 0.001 |
| S', m/s | 0.109 ± 0.005 | 0.079 ± 0.003 | < 0.001 |
| FS, % | 37 ± 1 | 33 ± 1 | 0.014 |
| Mitral inflow | |||
| E, m/s | 0.83 ± 0.03 | 0.77 ± 0.02 | 0.069 |
| A, m/s | 0.56 ± 0.02 | 0.64 ± 0.02 | 0.036 |
| DT, s | 0.079 ± 0.003 | 0.080 ± 0.001 | 0.838 |
| E/A | 1.51 ± 0.05 | 1.22 ± 0.05 | < 0.001 |
| Mitral annulus displacement | |||
| E', m/s | 0.099 ± 0.008 | 0.074 ± 0.003 | 0.015 |
| A', m/s | 0.072 ± 0.005 | 0.074 ± 0.003 | 0.668 |
| E'/A' | 1.41 ± 0.12 | 1.03 ± 0.07 | 0.01 |
| E/E' | 8.4 ± 0.5 | 10.4 ± 0.6 | 0.044 |
Values are expressed as mean ± SEM. LV: left ventricle; EDV: end-diastolic volume; RWT: relative wall thickness; EF: ejection fraction; ESV: end-systolic volume; WMSI: wall motion score index; S': systolic myocardial velocity of septal mitral annulus; FS: fractional shortening; E and A: maximal velocities of the mitral E and A waves; DT: deceleration time of early mitral flow; E': early diastolic myocardial velocity of septal mitral annulus; A': late diastolic myocardial velocity of septal mitral annulus.