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Table 1 PVR on hemodynamic classification of PH

From: Clinical application of pulmonary vascular resistance in patients with pulmonary arterial hypertension

Classification

mPAP (mmHg)

PAWP (mmHg)

PVR (wood)

PH

 ≥ 25

  

Precapillary PH (including PAH)

 ≥ 25

 ≤ 15

 > 3

Postcapillary PH

 ≥ 25

 > 15

 

Simple

 ≥ 25

 > 15

 ≤ 3

Mixed

 ≥ 25

 > 15

 > 3

  1. PH pulmonary hypertension, PAH pulmonary artery hypertension, mPAP mean pulmonary artery pressure, PAWP pulmonary arteriole wedge pressure, PVR pulmonary vascular resistance. 1 mmHg = 0.l33 kPa