Table III:
Systolic mitral valve morphologic data.
| Dimension | Baseline | 30 min after MI | Eight weeks after MI |
|---|---|---|---|
| Mitral annular area (mm2) | 596 ± 85 | 621 ± 138 | 931 ± 181a,b |
| Tenting volume (ml) | 1577 ± 645 | 1878 ± 913 | 2440 ± 755a,b |
| Tenting index (mm) | 2.6 ± 0.8 | 2.9 ± 1.0 | 3.4 ± 0.9a,b |
| Annular height (mm) | 4.6 ± 0.5 | 4.7 ± 1.5 | 4.7 ± 0.5 |
| Intercommissural width (mm) | 30.1 ± 3.2 | 29.4 ± 3.1 | 35.1 ± 2.9a,b |
| Annular height:intercommissural width ratio (%) | 15.7 ± 2.6 | 16.7 ± 4.4 | 13.7 ± 1.9 |
| Septolateral diameter (mm) | 25.0 ± 2.0 | 25.4 ± 3.5 | 33.8 ± 5.9a,b |
| ALPM to center (mm) | 21.4 ± 3.2 | 20.8 ± 1.8 | 23.7 ± 1.8a,b |
| ALPM to ALC (mm) | 20.7 ± 3.1 | 19.7 ± 2.0 | 22.8 ± 3.0b |
| ALPM to PMC (mm) | 32.6 ± 3.8 | 31.6 ± 2.6 | 35.9 ± 3.4a,b |
| PMPM to center (mm) | 22.2 ± 2.7 | 21.8 ± 2.1 | 29.0 ± 3.6a,b |
| PMPM to ALC (mm) | 34.4 ± 3.9 | 34.3 ± 3.3 | 43.7 ± 4.5a,b |
| PMPM to PMC (mm) | 20.9 ± 2.7 | 20.2 ± 1.2 | 24.1 ± 2.8a,b |
| ALPM to PMPM (mm) | 23.9 ± 2.5 | 25.0 ± 3.4 | 30.9 ± 5.2a,b |
All values are mean ± SD.
ALC: Anterolateral commissure; ALPM: Anterolateral papillary muscle; MI: Myocardial infarction; PMC: Posteromedial commissure; PMPM: Posteromedial papillary muscle.
a
p <0.05 versus baseline;
b
p <0.05 versus 30 min after MI.