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Table 5 The peak values of shear strain averaged over six regions on the septum and LV free wall as shown in Figure 4, at the time of maximum deformation, compared to those reported by Moore et al.

From: Analytical method to measure three-dimensional strain patterns in the left ventricle from single slice displacement data

Strain

Region

Sepal Wall

Lateral (free) wall

  

Present method

Moore et al.

Variation coef. (%)

Present method

Moore et al.

Variation coef. (%)

ELC

Basal

0.02

0.01 ± 0.05

500

-0.03

0.03 ± 0.05

166

 

Equatorial

0.03

0.03 ± 0.05

160

0.05

0.03 ± 0.04

133

 

Apical

-0.03

0.04 ± 0.05

125

0.02

0.04 ± 0.03

75

ELR

Basal

-0.06

0.03 ± 0.09

300

-0.11

0.05 ± 0.07

140

 

Equatorial

-0.05

0.08 ± 0.05

62.5

0.10

0.07 ± 0.06

85.7

 

Apical

0.09

0.06 ± 0.09

150

-0.09

0.05 ± 0.08

160

ERC

Basal

0.12

0.01 ± 0.06

600

0.04

0.05 ± 0.07

140

 

Equatorial

0.03

0.02 ± 0.08

400

0.19

0.05 ± 0.06

120

 

Apical

-0.20

0.11 ± 0.10

91

0.26

0.05 ± 0.08

160