Table 1: Body weights and left (LV) and right (RV) ventricular weights and their ratios in WKYs and SHRs. The baseline values of different cardiovascular variables and LV NOx contents in the two rat strains are also shown.
| Parameter |
WKYs |
SHRs |
| Body wt., g |
377 ± 32 |
365 ± 20 |
| MAP, mmHg |
94 ± 8 |
148 ± 20* |
| HR, beats/min |
414 ± 44 |
396 ± 80 |
| LV wt., g |
0.92 ± 0.16 |
1.03 ± 0.12* |
| LV wt./body wt, mg/100 g |
243 ± 40 |
282 ± 24* |
| RV wt., g |
0.26 ± 0.12 |
0.27 ± 0.08 |
| RV wt/body wt, mg/100 g |
71 ± 32 |
72 ± 24 |
| LV dp/dtmax, mmHg/sec |
6036 ± 1388 |
7916 ± 1328* |
| LV dp/dtmin, mmHg/sec |
-5553 ± 1132 |
-6747 ± 1088* |
| LVESP, mmHg |
171 ± 12 |
195 ± 20* |
| LVEDP, mmHg |
16.0 ± 6.4 |
20.0 ± 7.6 |
| LVDP, mmHg |
147 ± 24 |
171 ± 36* |
| Τ, sec |
0.025 ± 0.004 |
0.024 ± 0.004 |
| NOx, nmole/mg protein |
0.93 ± 0.12 |
2.24 ± 1.32* |
Values are means ± SD of 18 observations. *P < 0.05 vs. WKY values.