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Table 2 Changes of shear stress in low velocity regions between two groups detected by MRI and US measurement before and after surgery

From: Contralateral artery enlargement predicts carotid plaque progression based on machine learning algorithm models in apoE−/− mice

 

ApoE−/−

C57BL/6J

7 days

14 days

7 days

14 days

LCA

RCA

LCA

RCA

LCA

RCA

LCA

RCA

Vm (mm/s)

152.4 ± 43.7

532.8 ± 104.4

71.3 ± 16.6

505.3 ± 98.7

162.2 ± 33.4

487.8 ± 76.3

79.1 ± 9.9

458.9 ± 55.8

Dr (mm)

0.42 ± 0.01

0.64 ± 0.02

0.29 ± 0.02

0.66 ± 0.03

0.44 ± 0.02

0.61 ± 0.01

0.3 ± 0.03

0.62 ± 0.02

SS (dyn/cm2)

50.4 ± 14.6*

113.1 ± 22.1

34.3 ± 6.0*,#

109.8 ± 21.9

51.3 ± 11.2*

111.1 ± 17.4

37.2 ± 5.8*,#

103.6 ± 13.1

  1. Data are mean ± SD
  2. Vm mean velocity of carotid artery, Ds end-systolic diameters of carotid artery, SS shear stress of carotid artery, μ blood viscosity of mice, SS 4 μVm/Ds
  3. * P < 0.05, comparing the shear stress of LCA with the shear stress of RCA. P < 0.05, comparing the shear stress at 14 days with the shear stress at 7 days