Table 4 Correlation analysis between peak strength (A) and strain parameters
Perfusion A (dB) | Whole right ventricle (A) | Right ventricular free wall (A) | Right ventricular free wall segment (A) | Interventricular segment (A) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Strain (%) | Base | Mid | Apical | Base | Mid | Apical | ||||
RV GLS | r | 0.249 | -0.038 | -0.040 | -0.010 | -0.026 | 0.312 | 0.381▲ | 0.135 | |
Right ventricular free wall | r | 0.269 | 0.024 | 0.064 | 0.035 | -0.033 | 0.323 | 0.218 | 0.069 | |
Right ventricular free wall | Base | r | 0.044 | -0.061 | -0.029 | |||||
Mid | r | 0.197 | -0.065 | -0.056 | ||||||
Apical | r | 0.484▲ | 0.182 | 0.078 | ||||||
Interventricular septum | Base | r | 0.334 | -0.043 | 0.343 | |||||
Mid | r | 0.095 | -0.194 | 0.299 | ||||||
Apical | r | 0.014 | 0.002 | -0.090 | ||||||