| Â | N | Heart rate (beats/min) | IVSd (mm) | IVSs (mm) | LVIDd (mm) | LVIDs (mm) | LVPWd (mm) | LVPWs (mm) | FS (%) |
|---|
Sham | 18 | 342 (29) | 1.3 (0.3) | 2.3 (0.4) | 7.1 (0.4) | 4.2 (0.7) | 1.7 (0.4) | 2.6 (0.5) | 40.7 (8.9) |
MI | 19 | 342 (26) | 1.2 (0.4) | 1.9 (0.6)* | 9.2 (0.8)** | 7.2 (0.8)** | 1.5 (0.3) | 1.9 (0.5)** | 22.4 (4.9)** |
MI+T4 | 20 | 400 (68)** ‡ | 1.5 (0.5) †| 2.3 (0.6) | 9.9 (0.8)** | 7.6 (1.1)** | 1.7 (0.6) | 2.0 (0.6)** | 23.6 (6.2)** |
- Data presented as means (SD).
- IVSd and IVSs, interventricular septal thickness in end diastole and systole, respectively; LVIDd and LVIDs, left ventricular diastolic and systolic internal diameter, respectively; LVPWd and LVPWs, left ventricular diastolic and systolic posterior wall thickness, respectively; FS, fractional shortening; **, p < 0.01 vs. Sham rats; †, p < 0.05, ‡, p < 0.01 vs. MI rats; ANOVA with Student-Newman-Keuls’ or Dunnett T3’s (LVIDd, LVIDs and LVPWd) Multiple Comparison Test.
