Echocardiography and cardiac magnetic resonance imaging (CMRI) variables that have prognostic value in pulmonary hypertension

Echocardiography [13]CMRI [54–59]
VariableWorse prognosis thresholdVariableWorse prognosis threshold
TAPSE cm<1.6RVEF %<35
Systolic excursion velocity cm·s−1<10Stroke volume index mL·m−2≤25
RV fractional area change %<35Ventricular mass index>0.56
Peak longitudinal RV strain %≥19LV end-diastolic volume index mL·m−2≤40
Isovolumetric contraction velocity cm·s−1<9RV end-diastolic volume index mL·m−2≥84
Tei index (pulsed wave)>0.4LV end-systolic volume index mL·m−215±9
Main pulmonary artery diameter mm>29RV end-systolic volume index mL·m−247±21
LV eccentricity index>1.4Relative area change %≤16
Pericardial effusionPresenceRV insertion point late gadolinium enhancementPresent
PASP during low-dose exercise (<25 W) mmHg<30Full 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.