Table 1.
Hemodynamics and echocardiography data at 28 day after MCT injection
Parameters | Sham | Vehicle | −2w-MCT | −2w-shRNA | 2w-MCT | 2w-shRNA |
---|---|---|---|---|---|---|
No. of surviving rats | 20 | 19 | 18 | 18 | 17 | 16 |
Body weight, g | 360 ± 8 | 296 ± 5* | 291 ± 6* | 335 ± 7*,** | 286 ± 7* | 323 ± 6*,** |
Heart Rate, bpm | 418 ± 12 | 420 ± 16 | 425 ± 14 | 422 ± 15 | 428 ± 16 | 426 ± 15 |
Cardiac Output (ml/min) | 134 ± 2.3 | 107 ± 4* | 107 ± 4* | 116 ± 3.4* | 109 ± 4.2* | 112 ± 2.8* |
Ejection Fraction (%) | 66.8 ± 4.2 | 48.7 ± 4.6* | 46.8 ± 3.9* | 67.2 ± 5.3** | 47.6 ± 4.3* | 64.5 ± 3.4** |
Pulmonary artery , cm | 0.295 ± 0.01 | 0.41 ± 0.025* | 0.38 ± 0.03* | 0.317 ± 0.03** | 0.42 ± 0.04* | 0.336 ± 0.02** |
Mean blood pressure | 92.5 ± 3.2 | 88.5 ± 4.7 | 89.6 ± 3 | 90.8 ± 2.5 | 87.4 ± 3.2 | 88.3 ± 3.6 |
RV/BW (mg/g) | 3.7 ± 0.2 | 10 ± 0.9* | 9.7 ± 1* | 5.6 ± 0.8*,** | 9.4 ± 0.9* | 6.2 ± 0.7*,** |
RV wall thickness, cm | 0.12 ± 0.01 | 0.21 ± 0.03* | 0.21 ± 0.04* | 0.13 ± 0.03** | 0.22 ± 0.03* | 0.16 ± 0.02** |
RV area, mm2 | 11.7 ± 0.3 | 22 ± 0.7* | 21.5 ± 0.6* | 12.5 ± 0.5** | 21 ± 0.4* | 14.6 ± 0.4*,** |
LV area, mm2 | 22.1 ± 0.4 | 22.5 ± 0.5 | 22.4 ± 0.4 | 22.3 ± 0.7 | 22.6 ± 0.5 | 22.4 ± 0.6 |
RV right ventricle, LV left ventricle, BW body weight. All values are mean ± SD
*p <0.05 compared with sham group
**p < 0.05 compared with respective control MCT group