Table 2.
PAH echocardiographic parameters.
| Metrics | PAH, n = 223 mean (SD) |
|---|---|
| RV dimensions | |
| Basal transverse diameter index (mm/m) | |
| diastole | 33.3 (5.9) |
| systole | 29.4 (5.6) |
| Mid transverse diameter index (mm/m) | |
| diastole | 29.6 (6.3) |
| systole | 27.0 (6.9) |
| Mid transverse diameter relative (mm/mm) | |
| Diastole | 1.3 (0.4) |
| RV areas (cm2/m2) | |
| RVEDAi (cm2/m2) | 20.3 (5.8) |
| RVESAi (cm2/m2) | 16.5 (5.6) |
| RV relative areas | |
| RVEDAr | 1.9 (0.8) |
| RVESAr | 2.9 (1.4) |
| RA area(cm2/m2) | 12.6 (4.8) |
| RA relative area | 1.8 (1.1) |
| RA volume(mL/m2) | 44.9 (28.1) |
| RV function | |
| TAPSE (mm) | 14.2 (4.9) |
| TAPSE/RVSP (mm/mmHg) | 0.21 (0.14) |
| RVFAC (%) | 19.8 (6.5) |
| RV free‐wall strain (RVFWS) (%) | 12.6 (4.5) |
| Basal transverse shortening fraction (%) | 12.0 (8.5) |
| Mid transverse shortening fraction (%) | 9.5 (7.2) |
| Anteroposterior shortening fraction (%) | 15.6 (7.3) |
| LV metrics dimensional | |
| LV internal diameter (mm/m) | 23.2 (4.0) |
| LV metrics functional | |
| LVEF Simpson (%) | 64.7 (7.8) |
Abbreviations: PAH, pulmonary arterial hypertension; PAWP, pulmonary capillary wedge pressure; RA, right atrial; RAP, RA pressure; RHC, right heart catheterization; RV, right ventricular; RVFAC, RV fractional area change; RVFWS, RV free wall longitudinal strain; TAPSE, tricuspid annular plane systolic excursion.