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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