Characteristics of Experimental Animals at Baseline
| Characteristic | Group 1: balloon occlusion | Group 2: single bolus | P |
|---|---|---|---|
| Pig body mass (kg) | 42.1 ± 0.2 | 41.7 ± 0.5 | NS |
| Ejection fraction (%) | 46.6 ± 4.2 | 44.9 ± 5.1 | NS |
| Left ventricular mass (g) | 89.1 ± 6.1 | 86.5 ± 5.3 | NS |
| Infarct size (g) | 14.5 ± 2.9 | 17.8 ± 1.9 | NS |
| Infarct size (% of LV mass) | 16.3 ± 3.4 | 20.6 ± 2.7 | NS |
| End-diastolic volume (mL) | 64.2 ± 2.9 | 67.3 ± 5.2 | NS |
| End-systolic volume (mL) | 35.2 ± 5.8 | 33.8 ± 4.9 | NS |
| Cardiac output (L/min) | 2.9 ± 0.1 | 2.7 ± 0.5 | NS |
| Stroke volume (mL) | 28.7 ± 2.3 | 25.5 ± 2.2 | NS |
P value denotes comparison of mean baseline values in balloon-occlusion delivery group with mean baseline values in single-bolus delivery group using ANOVA.
NS = not significant.