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Haemodynamic definitions of PH3,21
| Definitions | Characteristics | Clinical groups |
|---|---|---|
| Pre-capillary PH | mPAP >20 mmHg PAWP ≤15 mmHg PVR >2 WU |
1, 3, 4 and 5 |
| Isolated post-capillary PH (IpcPH) | mPAP >20 mmHg PAWP >15 mmHg PVR ≤2 WU |
2 and 5 |
| Combined pre- and post-capillary PH (CpcPH) | mPAP >20 mmHg PAWP >15 mmHg PVR >2 WU |
2 and 5 |
mPAP = mean pulmonary arterial pressure; PAWP = pulmonary arterial wedge pressure; PVR = pulmonary vascular resistance; WU = Wood units.
