Table 3

Haemodynamic definitions of PH (modified from Galie24)

DefinitionInvasive measuresPH-group
PHmPAP ≥25mmHg
CI normal or reduced
1–5
Precapillary PHmPAP ≥25mmHg
PVRi >3 iWU
PCWP <15mmHg
CI normal or reduced
1,3,4,5
Postcapillary PH


Passive
Reactive (formerly: ‘out of proportion’)
mPAP ≥25mmHg
PCWP ≥15mmHg
CI normal or reduced
DPD <7 mm Hg (adults)
DPD ≥7mmHg (adults)
2
  • CI, cardiac index; DPD, diastolic pressure difference; mPAP, mean pulmonary arterial pressure; PCWP, pulmonary capillary wedge pressure; PH, pulmonary hypertension; PVRi, pulmonary vascular resistance index.