Table 1.
NTG male hearts | male hearts TM DM | Percentage change versus NTG | |
---|---|---|---|
Working heart | (N = 5, 50) | (N = 2, 20) | |
Heart rate (beats min−1) | 405 ± 1 | 404 ± 1 | Paced n.s. |
+dP/dt (mmHg s−1) | 6014 ± 167 | 4863 ± 170 | −19** |
−dP/dt (mmHg s−1) | 4469 ± 170 | 3530 ± 186 | −21** |
LVP (mmHg) | 109 ± 3 | 105 ± 2 | n.s. |
Time to peak pressure (ms) | 46 ± 1 | 42 ± 1 | −9* |
τ | 20 ± 1 | 27 ± 7 | +35* |
Values are mean ±s.e.m.
P≤ 0.05,
P≤ 0.001, transgenic versus control, Student's unpaired t test.LVP, left ventricular pressure; N; number of mouse hearts.