Table 4.
Baseline |
Reperfusion |
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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 | |
WT | 5 | 330 ± 10 | 120 ± 11 | 39 702 ± 4569 | 2.4 ± 0.3 | 286 ± 13 | 42 ± 10 | 12 219 ± 3076 | 1.3 ± 0.2 |
p53+/− | 6 | 327 ± 11 | 110 ± 6 | 35 931 ± 2362 | 2.1 ± 0.2 | 293 ± 18 | 62 ± 5b | 18 241 ± 1979b | 1.4 ± 0.1 |
Abbreviations: HR, heart rate; LVDP, left ventricular developed pressure; RPP, rate pressure product; CF, coronary flow; WT, wild type, p53+/−, p53 heterozygous knockout mouse; baseline, 25 minutes after the start of perfusion, reperfusion, 120 minutes after reperfusion.
Data are mean ± SEM.
P < .05 vs WT.