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Table 4 Segmental values for systolic deformation parameters obtained using feature tracking in the volunteers studied

From: Global and regional left ventricular myocardial deformation measures by magnetic resonance feature tracking in healthy volunteers: comparison with tagging and relevance of gender

 

Longitudinal

Radial

Circumferential

Level

Strain

Strain rate (s-1)

Vel (cm/s)

Displacement (cm)

Strain

Strain rate (s-1)

Vel (cm/s)

Displacement (cm)

Strain

Strain rate (s-1)

Basal

          

Anterior

−0.21 ± 0.10

−1.08 ± 0.88

4.13 ± 1.83

8.15 ± 4.54

0.39 ± 0.21

1.73 ± 0.81

3.12 ± 0.99

6.69 ± 2.08

−0.22 ± 0.08

−1.06 ± 2.77

Lateral

−0.20 ± 0.11

−1.61 ± 3.82

3.29 ± 1.55

5.85 ± 3.25

0.35 ± 0.17

1.93 ± 0.35

2.88 ± 0.75

5.89 ± 1.70

−0.26 ± 0.10

−1.59 ± 0.69

Posterior

−0.24 ± 0.11

−1.49 ± 0.69

3.72 ± 1.75

7.01 ± 3.00

0.26 ± 0.14

1.18 ± 0.56

3.01 ± 0.81

6.24 ± 1.69

−0.23 ± 0.08

−1.41 ± 0.58

Inferior

−0.16 ± 0.09

−0.87 ± 0.58

2.64 ± 1.15

5.16 ± 2.86

0.17 ± 0.11

0.93 ± 0.49

3.03 ± 0.9

6.51 ± 1.91

−0.20 ± 0.09

−1.21 ± 0.57

Septum

−0.15 ± 0.08

−1.08 ± 0.59

3.55 ± 1.73

5.86 ± 3.31

0.12 ± 0.08

0.81 ± 0.49

2.38 ± 0.75

5.04 ± 1.57

−0.22 ± 0.09

−1.26 ± 0.62

Anterior Septum

−0.24 ± 0.12

−1.5 ± 0.77

3.29 ± 1.81

7.30 ± 3.89

0.22 ± 0.12

1.13 ± 0.69

2.6 ± 0.8

5.67 ± 1.65

−0.20 ± 0.07

−1.20 ± 0.57

Mid

          

Anterior

−0.23 ± 0.08

−1.21 ± 0.61

3.36 ± 1.72

6.05 ± 3.17

0.33 ± 0.18

1.61 ± 0.74

2.45 ± 0.58

4.92 ± 1.15

−0.18 ± 0.06

−1.05 ± 0.38

Lateral

−0.22 ± 0.11

−1.36 ± 0.74

2.98 ± 1.58

4.17 ± 2.9

0.32 ± 0.14

1.69 ± 0.8

2.6 ± 0.56

5.05 ± 1.12

−0.19 ± 0.06

−1.09 ± 0.45

Posterior

−0.18 ± 0.09

−1.14 ± 0.67

2.59 ± 1.33

4.68 ± 2.58

0.26 ± 0.13

1.25 ± 0.5

2.56 ± 0.65

4.95 ± 1.3

−0.18 ± 0.06

−1.10 ± 0.37

Inferior

−0.13 ± 0.07

−0.73 ± 0.42

2.64 ± 1.15

4.86 ± 2.58

0.16 ± 0.09

0.89 ± 0.44

2.50 ± 0.60

4.9 ± 1.22

−0.17 ± 0.06

−1.05 ± 0.37

Septum

−0.15 ± 0.08

−0.91 ± 0.51

2.97 ± 1.57

4.14 ± 2.26

0.13 ± 0.08

0.85 ± 0.46

2.38 ± 0.6

4.67 ± 1.22

−0.18 ± 0.06

−1.04 ± 0.37

Anterior Septum

−0.19 ± 0.12

−1.22 ± 0.83

2.49 ± 1.37

4.79 ± 2.1

0.22 ± 0.13

1.25 ± 0.64

2.41 ± 0.59

4.83 ± 1.14

−0.17 ± 0.06

−0.93 ± 0.38

Apical

          

Anterior

−0.18 ± 0.07

−1.11 ± 0.60

1.49 ± 0.77

2.66 ± 1.39

0.29 ± 0.14

1.42 ± 0.61

2.09 ± 0.51

4.20 ± 0.98

−0.20 ± 0.05

−1.12 ± 0.34

Lateral

−0.13 ± 0.07

−0.83 ± 0.43

3.07 ± 2.33

2.37 ± 2.03

0.24 ± 0.14

1.28 ± 0.60

2.27 ± 0.54

4.48 ± 1.06

−0.22 ± 0.05

−1.31 ± 0.43

Inferior

−0.16 ± 0.07

−0.9 ± 0.44

1.53 ± 0.88

3.19 ± 1.81

0.14 ± 0.12

0.90 ± 0.55

2.30 ± 0.53

4.60 ± 0.91

−0.23 ± 0.07

−1.38 ± 0.47

Septum

−0.13 ± 0.07

−0.88 ± 0.46

1.95 ± 1.24

2.33 ± 1.43

0.18 ± 0.10

1.07 ± 0.57

2.09 ± 0.51

4.22 ± 1.05

−0.21 ± 0.07

−1.21 ± 0.48

  1. Data are presented as mean ± SD. s, seconds; cm, centimetres; vel, velocity.