Skip to main content

Table 3 Wall shear stress in patients with PAH and healthy volunteers

From: Non-invasive evaluation of pulmonary arterial blood flow and wall shear stress in pulmonary arterial hypertension with 3D phase contrast magnetic resonance imaging

  Healthy volunteers PAH patients p value
Maximum WSS (Pa)
 MPA 1.43 ± 0.35 0.93 ± 0.23 0.005
 RPA 1.65 ± 0.68 0.77 ± 0.23 0.003
 LPA 1.58 ± 0.50 0.64 ± 0.22 <0.001
Mean WSS (Pa)
 MPA 0.47 ± 0.07 0.46 ± 0.09 0.854
 RPA 0.59 ± 0.13 0.35 ± 0.17 0.002
 LPA 0.56 ± 0.08 0.39 ± 0.07 0.014
  1. Data are expressed as mean ± standard deviation
  2. PAH pulmonary arterial hypertension, WSS wall shear stress, MPA main pulmonary artery, RPA right pulmonary artery, LPA left pulmonary artery