Table 1 Summary of Feature Tracking parameters at rest and exercise stress. Data are presented as mean ±SEM. A p value of < 0.05 was considered significant.
From: The use of feature tracking to assess ventricular strain during exercise stress CMR
Circumferential | Rest | Exercise | P Value |
|---|---|---|---|
Endocardia Strain % | -19.2 ± 2.3 | - 24.9 ± 2.8 | 0.047 |
Peak Strain Rate s-1 | 1.2 ± 0.2 | 2.0 ± 0.2 | 0.009 |
Time to peak strain ms | 324 ± 12 | 248 ± 9 | 0.001 |
Endocardia Strain % | -11.9 ± 1.6 | -15.2 ± 1.6 | 0.045 |
Peak Strain Rate s-1 | 0.7 ± 0.1 | 1.4 ± 0.2 | 0.002 |
Time to peak strain ms | 335 ±13 | 249 ± 8 | 0.001 |
Radial | Â | Â | Â |
Strain % | 20.7 ± 2.2 | 24.3 ± 2.5 | 0.150 |
Peak Strain Rate s-1 | 1.1 ± 0.1 | 1.8 ± 0.1 | 0.002 |
Time to peak strain ms | 299 ± 14 | 236 ± 7 | 0.005 |