Table 1.
Baseline |
End of perfusion |
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n | HR, bpm | LVDP, cmH2O | RPP (LVDP × HR) | CF, mL/min | HR, bpm | LVDP, cmH2O | RPP (LVDP × HR) | CF, mL/min | |
Control (DMSO) | 3 | 372 ± 6 | 118 ± 7 | 44 093 ± 3094 | 3.0 ± 0.5 | 344 ± 9 | 112 ± 5 | 38 576 ± 2612 | 2.9 ± 0.4 |
PFT-α 2.5 μmol/L | 3 | 350 ± 19 | 117 ± 5 | 41 225 ± 3433 | 3.1 ± 0.4 | 336 ± 33 | 110 ± 6 | 36 926 ± 5104 | 2.8 ± 0.3 |
PFT- α 10 μmol/L | 4 | 351 ± 27 | 118 ± 5 | 41 648 ± 4835 | 2.5 ± 0.4 | 201 ± 28b | 77 ± 14b | 16 238 ± 4489b | 1.7 ± 0.3b |
PFT-μ 25 μmol/L | 4 | 352 ± 10 | 114 ± 5 | 40 094 ± 1700 | 2.4 ± 0.3 | 342 ± 5 | 118 ± 6 | 40 090 ± 1850 | 2.4 ± 0.1 |
Abbreviations: HR, heart rate; LVDP, left ventricular developed pressure; RPP, rate pressure product; CF, coronary flow; PFT, pifithrin.
Data are mean + SEM. End of perfusion = 15 minutes after perfusion with each drug.
P < 0.05 vs Control (DMSO).