Table 1.
Impact of myocardial infarction on general characteristics, relative heart weight LV mass and infarct size in rats submitted to myocardial infarction fed a standard diet (AMI) or a high fat diet (HFD-AMI) and rats fed a control diet and with SHAM operation (CT).
| Parameter | CT | AMI | HFD-AMI |
|---|---|---|---|
| Body weight (g) | 396.2 ± 10.8 | 394.8 ± 9.7 | 470.2 ± 13.8***††† |
| Adiposity (%) | 6.5 ± 0.5 | 4.9 ± 0.5 | 11.1 ± 0.9***††† |
| Plasma Leptin levels (ng/ml) | 2.2 ± 0.2 | 2.5 ± 0.4 | 20.3 ± 4.3***††† |
| HOMA | 3.2 ± 0.5 | 2.5 ± 0.4 | 8.6 ± 1.2***††† |
| Plasma Glucose levels (mg/dl) | 111.8 ± 1.1 | 114.7 ± 4.4 | 130.0 ± 4.9*† |
| Plasma TC levels (mg/dl) | 71.8 ± 3.9 | 75.6 ± 4.5 | 83.3 ± 5.9 |
| Plasma TG levels (mg/dl) | 92.7 ± 8.7 | 84.6 ± 10.1 | 135.9 ± 10.5**†† |
| SBP (mmHg) | 127.72 ± 2.7 | 132.6 ± 1.3 | 131.0 ± 0.01.7 |
| Heart relative weight (g/cm tibia) | 0.229 ± 0.01 | 0.253 ± 0.008* | 0.271 ± 0.003*** |
| LV mass (g) | 0.287 ± 0.061 | 0.420 ± 0.015*** | 0.477 ± 0.02***† |
| Infarct size/LV mass (%) | — | 18.1 ± 2.9 | 20.7 ± 1.6 |
HOMA: Homeostatic model assessment; TC: total cholesterol; TG: triglycerides. SBP: Systolic blood pressure; LV: Left ventricle. Data are expressed as mean ± SEM. of 8–10 animals. *P < 0.05; **P < 0.01; ***P < 0.001 vs control group. †P < 0.05; ††P < 0.01; †††P < 0.001 vs AMI group.