Echocardiography and cardiac magnetic resonance imaging (CMRI) variables that have prognostic value in pulmonary hypertension
| Echocardiography [13] | CMRI [54–59] | ||
| Variable | Worse prognosis threshold | Variable | Worse prognosis threshold |
| TAPSE cm | <1.6 | RVEF % | <35 |
| Systolic excursion velocity cm·s−1 | <10 | Stroke volume index mL·m−2 | ≤25 |
| RV fractional area change % | <35 | Ventricular mass index | >0.56 |
| Peak longitudinal RV strain % | ≥19 | LV end-diastolic volume index mL·m−2 | ≤40 |
| Isovolumetric contraction velocity cm·s−1 | <9 | RV end-diastolic volume index mL·m−2 | ≥84 |
| Tei index (pulsed wave) | >0.4 | LV end-systolic volume index mL·m−2 | 15±9 |
| Main pulmonary artery diameter mm | >29 | RV end-systolic volume index mL·m−2 | 47±21 |
| LV eccentricity index | >1.4 | Relative area change % | ≤16 |
| Pericardial effusion | Presence | RV insertion point late gadolinium enhancement | Present |
| PASP during low-dose exercise (<25 W) mmHg | <30 | Full width at half maximum s | >8 |
| Pulmonary transit time s | >6.5 | ||
TAPSE: tricuspid annular plane systolic excursion; RVEF: right ventricular ejection fraction; RV: right ventricular; LV: left ventricular; PASP: pulmonary artery systolic pressure.