Modeling time | Groups | n | +dp/dtmax | −dp/dtmin | LVSP | LVEDP | HR |
1 week | Normal control group | 10 | 3713.2 ± 701.9 | −3333.4 ± 731.2 | 107.5 ± 14.7 | 4.7 ± 1.4 | 416.4 ± 34.8 |
| Sham operation group | 10 | 3765.8 ± 519.2 | −3310.3 ± 655.7 | 111.5 ± 10.6 | 4.9 ± 1.9 | 425.3 ± 49.9 |
| Model group | 11 | 2281.2 ± 666.9** | −2238.0 ± 713.6* | 92.0 ± 14.9* | 15.2 ± 6.0*** | 416.9 ± 38.8 |
2 weeks | Normal control group | 10 | 3576.7 ± 615.8 | −3186.0 ± 639.8 | 129.9 ± 12.1 | 4.3 ± 1.5 | 415.4 ± 13.1 |
| Sham operation group | 10 | 3650.1 ± 713.4 | −3481.8 ± 572.6 | 125.4 ± 13.7 | 4.1 ± 2.6 | 422.9 ± 13.9 |
| Model group | 11 | 2321.1 ± 839.1* | −2547.8 ± 642.9* | 102.1 ± 12.4* | 14.6 ± 2.2** | 426.4 ± 22.0 |
4 weeks | Normal control group | 10 | 3562.9 ± 1698.2 | −3391.1 ± 1322.4 | 130.5 ± 12.2 | 8.9 ± 5.9 | 334.8 ± 51.5 |
| Sham operation group | 10 | 3902.4 ± 1663.0 | −2772.3 ± 1014.7 | 129.7 ± 16.5 | 5.9 ± 4.7 | 348.6 ± 39.2 |
| Model group | 11 | 2202.4 ± 1017.1 | −1757.8 ± 807.5 | 106.7 ± 20.5* | 26.7 ± 9.7*** | 321.1 ± 71.4 |