Table 1.
Sham, wk |
Dual Transgenic, wk |
|||||
---|---|---|---|---|---|---|
Parameters | 0 | 4 | 8 | 0 | 4 | 8 |
n | 16 | 16 | 13 | 8 | 8 | 5 |
Heart rate, beats/min | 344.3 ± 8.2 | 367.1 ± 14.8 | 369.3 ± 12.3 | 311.5 ± 15.3 | 336.0 ± 12.8 | 367.4 ± 28.6 |
Ejection time, ms | 54.2 ± 3.1 | 56.4 ± 3.5 | 48.8 ± 1.7 | 56.3 ± 2.4 | 51.3 ± 1.6 | 49.3 ± 4.7 |
Isovolumetric relaxation time, ms | 29.2 ± 1.0 | 26.3 ± 1.6 | 25.8 ± 0.4 | 31.9 ± 3.7 | 26.0 ± 1.2 | 21.2 ± 1.6* |
Isovolumetric contraction time, ms | 26.8 ± 1.2 | 26.3 ± 1.4 | 23.9 ± 1.0 | 30.2 ± 1.7 | 30.3 ± 1.9 | 19.4 ± 3.9* |
Values are means ± SE.
Comparison vs. 0 wk dual transgenic, P < 0.05.