Table 2.
Results of cine and late enhancement magnetic resonance imaging of 17 animals
| LV end-diastolic volume (ml) | 123.6 ± 32.6 | |||
| LV end-systolic volume (ml) | 72.8 ± 26.4 | |||
| LV stroke volume (ml) | 50.7 ± 11.5 | |||
| LV ejection fraction (%) | 42.0 ± 8.7 | |||
| LV ejection fraction (%) per model (p = 0.05) | 35.7 ± 3.9 | (Model 1) | 43.3 ± 9 | (Model 2) |
| Heart rate | 92.7 ± 20.7 | |||
| Myocardium volume (ml) | 111 ± 15.6 | |||
| Infarct volume (ml) | 15.6 ± 4.1 | |||
| Infarct volume (ml) per model (p = 0.75) | 16.1 ± 2.2 | (Model 1) | 15.5 ± 4.4 | (Model 2) |
| LV area (cm2) | 102.7 ± 13.8 | |||
| Infarct area 0 % IT (cm2) | 68.2 ± 12.8 | (66.1 ± 6.1 %) | ||
| Infarct area 0–25 % IT (cm2) | 10.6 ± 3.2 | (10.5 ± 3.3 %) | ||
| Infarct area 25–50 % IT (cm2) | 6.5 ± 3.5 | (6.3 ± 3.4 %) | ||
| Infarct area 50–75 % IT (cm2) | 6.4 ± 2.2 | (6.4 ± 2.6 %) | ||
| Infarct area 75–100 % IT (cm2) | 10.9 ± 7.3 | (10.5 ± 6.3 %) | ||
| Infarct areas (cm2) per model | ||||
| Infarct area 0 % IT (cm2) (p = 0.72) | 72.6 ± 22.1 | (Model 1) | 67.3 ± 10.9 | (Model 2) |
| Infarct area 0–25 % IT (cm2) (p = 0.54) | 12.4 ± 4.8 | (Model 1) | 10.2 ± 2.9 | (Model 2) |
| Infarct area 25–50 % IT (cm2) (p = 0.24) | 10.2 ± 4.5 | (Model 1) | 5.7 ± 2.9 | (Model 2) |
| Infarct area 50–75 % IT (cm2) (p = 0.88) | 3.7 ± 3.7 | (Model 1) | 11.7 ± 6.5 | (Model 2) |
| Infarct area 75–100 % IT (cm2) (p = 0.38) | 3.8 ± 3.9 | (Model 1) | 12.4 ± 6.7 | (Model 2) |
Data are expressed as mean ± SD. The infarct area size of both models is tested using a student t test
IT infarct transmurality