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 | Ischemia | Reperfusion | Ischemia | Reperfusion |
| Ctr male | 54.32 ± 3.48 | 58.89 ± 6.94 | 49.22 ± 2.09 | 48.28 ± 3.77 | Ctr male + PPC | 50.66 ± 3.55 | 80.45 ± 4.64 | 50.13 ± 3.83 | 80.22 ± 2.48 | Ctr old male | 55.30 ± 4.31 | 56.13 ± 4.53 | 56.32 ± 4.13 | 49.53 ± 3.94 | Old male + PPC | 49.78 ± 1.86 | 49.66 ± 2.88 | 58.86 ± 3.81 | 61.51 ± 4.33 | Ctr female | 54.59 ± 4.41 | 48.16 ± 6.70 | 52.45 ± 3.27 | 50.81 ± 3.99 | Ctr female + PPC | 50.66 ± 3.55 | 75.75 ± 3.43 | 50.13 ± 3.83 | 80.22 ± 2.48 | Ctr old female | 49.22 ± 2.09 | 48.28 ± 3.77 | 60.22 ± 4.14 | 59.91 ± 5.43 | Ctr old female + PPC | 56.08 ± 3.10 | 69.08 ± 4.75 | 56.62 ± 4.65 | 68.56 ± 2.77 | Ctr male | 59.31 ± 6.34 | 64.88 ± 4.99 | 54.54 ± 4.94 | 50.74 ± 3.07 | Ctr male + PPC | 50.66 ± 4.10 | 81.27 ± 3.02 | 52.57 ± 2.46 | 78.81 ± 3.66 | Ctr LVH male | 66.45 ± 5.47 | 76.57 ± 4.43 | 67.44 ± 2.43 | 76.99 ± 3.53 | LVH male + PPC | 69.32 ± 6.87 | 68.64 ± 2.78 | 68.74 ± 8.50 | 80.72 ± 5.22 | Ctr female | 53.82 ± 6.07 | 55.56 ± 6.25 | 54.77 ± 3.29 | 57.84 ± 5.05 | Ctr female + PPC | 62.63 ± 4.68 | 82.08 ± 2.96 | 61.76 ± 4.05 | 78.49 ± 4.64 | Ctr LVH female | 68.20 ± 7.11 | 72.83 ± 6.33 | 73.27 ± 9.72 | 71.35 ± 4.48 | LVH female + PPC | 56.99 ± 7.82 | 85.57 ± 7.14 | 52.61 ± 3.51 | 70.46 ± 6.42 | Ctr diabetic male | 59.31 ± 6.34 | 64.88 ± 4.99 | 54.54 ± 4.94 | 50.74 ± 3.07 | Diabetic male + PPC | 55.86 ± 4.02 | 59.29 ± 8.94 | 49.06 ± 2.68 | 47.53 ± 4.77 | Ctr diabetic female | 58.98 ± 5.09 | 55.04 ± 8.03 | 56.15 ± 3.46 | 58.39 ± 4.79 | Diabetic female + PPC | 53.05 ± 4.18 | 59.70 ± 8.90 | 47.84 ± 2.02 | 48.16 ± 4.68 | Ctr female 19 GD | 49.45 ± 2.59 | 63.63 ± 1.81 | 51.97 ± 1.24 | 65.17 ± 0.66 | Female 19 GD + PPC | 50.46 ± 3.36 | 72.59 ± 1.38 | 55.97 ± 1.57 | 71.27 ± 1.29 | Ctr female 21 GD | 47.19 ± 2.04 | 59.78 ± 1.46 | 47.84 ± 1.69 | 64.00 ± 0.43 | Female 21 GD + PPC | 49.79 ± 2.09 | 72.80 ± 1.88 | 50.95 ± 3.28 | 71.19 ± 0.63 |
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Ctr: control; PPC: pacing postconditioning; LVH: left ventricle hypertrophy; GD: gestation day. compared to the respective control. |