Table 2.
Standard echocardiographic and myocardial deformation imaging values for groups
| AT group(n = 31) | Non-AT Group (n = 31) | P | |
|---|---|---|---|
| Standard echocardiography | |||
| RV basal diameter (cm) | 5.6 ± 0.7 | 4.6 ± 0.6 | <0.001 |
| RV mid cavity diameter (cm) | 4.7 ± 0.7 | 3.5 ± 0.6 | <0.001 |
| RV longitudinal diameter (cm) | 8.0 ± 0.7 | 7.1 ± 0.8 | <0.001 |
| RV end-diastolic area (cm2) | 35.5 ± 7.5 | 26.3 ± 6.2 | <0.001 |
| RV end-systolic area (cm2) | 28.3 ± 6.9 | 17.7 ± 5.3 | <0.001 |
| RV fractional area change (%) | 20.3 ± 6.1 | 33 ± 7.1 | <0.001 |
| TAPSE (mm) | 1.3 ± 0.2 | 1.9 ± 0.4 | <0.001 |
| Systolic PAP (mm Hg) | 91.5 ± 15 | 75 ± 23 | 0.002 |
| IVC dimension (mm) | 2.1 ± 1.6 | 0.97 ± 1.51 | 0.038 |
| LV cardiac output (L/min) | 3.6 ± 0.9 | 4.7 ± 0.99 | <0.001 |
| LV ejection fraction (%) | 62 ± 3.8 | 62 ± 5 | 0.843 |
| Myocardial deformation imaging | |||
| LV GLS (%) | −20.8 ± 4.6 | −21.6 ± 3.8 | 0.418 |
| RV free-wall LS (%) | −12.4 ± 3.4 | −20.8 ± 4.9 | <0.001 |
| RV free-wall LS − LV GLS (%) | 8.4 ± 4.2 | 0.8 ± 4.7 | <0.001 |
| AT (mm) | 6.1 ± 2.4 | 0.4 ± 2.1 | <0.001 |
Values are mean ± SD or n (%).
AT, apical traction; IVC, inferior vena cava; GLS, global longitudinal strain; LS, longitudinal strain; LV, left ventricle; RV, right ventricle; PAP, pulmonary artery pressure; TAPSE, tricuspid annular plane systolic excursion.