Table 2. Left ventricular systolic function detected after MI by speckle tracking echocardiography.
| Variable | Baseline (n=24) | Day 7 (n=24) | Day 14 (n=24) | Day 28 (n=24) |
|---|---|---|---|---|
| Peak radial strain | ||||
| Anteroseptal (%) | 31.42±1.45 | 20.25±1.02** | 23.83±1.12## | 26.83±1.03^^ |
| Anterior (%) | 31.56±1.64 | 20.08±1.08** | 23.17±1.03# | 26.42±0.69^^ |
| Inferoseptal (%) | 32.17±1.24 | 19.58±1.03** | 22.92±1.15# | 26.92±0.65^^ |
| Time to peak radial strain | ||||
| Anteroseptal (ms) | 39.92±2.09 | 92.00±3.69** | 76.75±3.18## | 66.67±3.26^ |
| Anterior (ms) | 39.83±1.36 | 91.42±2.52** | 76.92±2.64## | 68.75±2.31^ |
| Inferoseptal (ms) | 40.08±1.22 | 88.42±2.09** | 74.58±2.60## | 68.08±2.29 |
Value are means ± SD. P values were obtained using Student’s t-test. **, day 7 vs. baseline group, P<0.01; #, day 14 vs. day 7 group, P<0.05; ##, day 14 vs. day 7 group, P<0.01; ^, day 28 vs. day 14 group, P<0.05; ^^, day 14 vs. day 7 group, P<0.01.