Table 1.
Effects of ischemia/reperfusion and GA treatment on heart contractility (n = 8).
Treatment | + dP/dt | − dP/dt | ||
---|---|---|---|---|
Ischemia | Reperfusion | Ischemia | Reperfusion | |
Sham | 91.76 ± 0.66 | 89.07 ± 1.68 | 91.86 ± 1.31 | 90.64 ± 0.67 |
Sham + GA | 92.50 ± 0.61 | 91.11 ± 0.37* | 93.83 ± 0.65 | 93.46 ± 1.82* |
Ctr | 66.41 ± 7.51$ | 59.85 ± 7.93$ | 63.10 ± 4.87$ | 62.14 ± 7.91$ |
GA 2 h | 65.01 ± 4.42$ | 86.71 ± 3.65* | 70.74 ± 2.75$ | 89.87 ± 4.86* |
GA 2 W | 68.23 ± 4.20$ | 85.18 ± 5.13* | 64.76 ± 2.17$ | 86.37 ± 5.75* |
GA 4 W | 64.05 ± 6.26$ | 87.69 ± 3.39* | 64.16 ± 4.79$ | 87.84 ± 4.62* |
GA reperfusion | 66.86 ± 9.73$ | 67.59 ± 8.37$ | 72.24 ± 5.66$ | 75.16 ± 5.79$ |
Ctr control, GA 2 h gum arabic infusion 2 h before sacrifice, + dP/dt and − dP/dt left ventricle contractility indices, GA 2 W gum arabic administration for 2 weeks, GA 4 W gum arabic administration for 4 weeks, Rep Reperfusion.
*P < 0.05 compared to control and $P < 0.05 compared to sham and sham + GA.