Research Article

Effects of Cardiac Hypertrophy, Diabetes, Aging, and Pregnancy on the Cardioprotective Effects of Postconditioning in Male and Female Rats

Table 1

Effects of ischemia-reperfusion and PPC on heart contractility.

Treatment+dP/dt−dP/dt
IschemiaReperfusionIschemiaReperfusion

Ctr male54.32 ± 3.4858.89 ± 6.9449.22 ± 2.0948.28 ± 3.77
Ctr male + PPC50.66 ± 3.5580.45 ± 4.6450.13 ± 3.8380.22 ± 2.48
Ctr old male55.30 ± 4.3156.13 ± 4.5356.32 ± 4.1349.53 ± 3.94
Old male + PPC49.78 ± 1.8649.66 ± 2.8858.86 ± 3.8161.51 ± 4.33
Ctr female54.59 ± 4.4148.16 ± 6.7052.45 ± 3.2750.81 ± 3.99
Ctr female + PPC50.66 ± 3.5575.75 ± 3.4350.13 ± 3.8380.22 ± 2.48
Ctr old female49.22 ± 2.0948.28 ± 3.7760.22 ± 4.1459.91 ± 5.43
Ctr old female + PPC56.08 ± 3.1069.08 ± 4.7556.62 ± 4.6568.56 ± 2.77
Ctr male59.31 ± 6.3464.88 ± 4.9954.54 ± 4.9450.74 ± 3.07
Ctr male + PPC50.66 ± 4.1081.27 ± 3.0252.57 ± 2.4678.81 ± 3.66
Ctr LVH male66.45 ± 5.4776.57 ± 4.4367.44 ± 2.4376.99 ± 3.53
LVH male + PPC69.32 ± 6.8768.64 ± 2.7868.74 ± 8.5080.72 ± 5.22
Ctr female53.82 ± 6.0755.56 ± 6.2554.77 ± 3.2957.84 ± 5.05
Ctr female + PPC62.63 ± 4.6882.08 ± 2.9661.76 ± 4.0578.49 ± 4.64
Ctr LVH female68.20 ± 7.1172.83 ± 6.3373.27 ± 9.7271.35 ± 4.48
LVH female + PPC56.99 ± 7.8285.57 ± 7.1452.61 ± 3.5170.46 ± 6.42
Ctr diabetic male59.31 ± 6.3464.88 ± 4.9954.54 ± 4.9450.74 ± 3.07
Diabetic male + PPC55.86 ± 4.0259.29 ± 8.9449.06 ± 2.6847.53 ± 4.77
Ctr diabetic female58.98 ± 5.0955.04 ± 8.0356.15 ± 3.4658.39 ± 4.79
Diabetic female + PPC53.05 ± 4.1859.70 ± 8.9047.84 ± 2.0248.16 ± 4.68
Ctr female 19 GD49.45 ± 2.5963.63 ± 1.8151.97 ± 1.2465.17 ± 0.66
Female 19 GD + PPC50.46 ± 3.3672.59 ± 1.3855.97 ± 1.5771.27 ± 1.29
Ctr female 21 GD47.19 ± 2.0459.78 ± 1.4647.84 ± 1.6964.00 ± 0.43
Female 21 GD + PPC49.79 ± 2.0972.80 ± 1.8850.95 ± 3.2871.19 ± 0.63

Ctr: control; PPC: pacing postconditioning; LVH: left ventricle hypertrophy; GD: gestation day. compared to the respective control.