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Table 3 Comparison of global left ventricular strains and MAPSE (crude)

From: Quantitative assessment of left ventricular longitudinal function and myocardial deformation in Duchenne muscular dystrophy patients

 

Group A (LGE + , EF < 50%) n = 8

Group B (LGE + , EF ≥ 50%) n = 13

Group C (LGE−, EF ≥ 50%) n = 30

Controls n = 18

p (A vs. controls)

p (B vs controls)

p (C vs. controls)

GLS (%)

− 14.94 ± 1.91

− 19.14 ± 2.57

− 21.9 ± 4.12

− 20.91 ± 3.05

3.10–4

0.39

0.70

GCS (%)

− 14.71 ± 4.18

− 24.81 ± 5.74

− 26.17 ± 4.19

− 30.03 ± 5.12

1.10–8

0.013

0.033

GRS (%)

38.3 ± 9.80

50.45 ± 14.22

60.02 ± 15.21

67.41 ± 10.67

1.10–5

3.10–3

0.21

MAPSE (mm)

10.50 ± 1.10

10.77 ± 1.55

11.63 ± 1.88

13.66 ± 2.70

2.10–3

7.10–4

5.10–3

MAPSE lateral (mm)

11.00 ± 1.31

11.31 ± 2.18

12.60 ± 2.24

14.44 ± 3.27

5.10–3

3.10–3

0.05

MAPSE septal (mm)

10.00 ± 1.07

10.23 ± 1.59

10.67 ± 1.83

12.88 ± 2.33

2.10–3

9.10–4

9.10–4

  1. Variables are expressed as the mean ± standard deviation
  2. Variables marked in bold have their ANOVA p value < 0.05
  3. P values of the Dunnet post hoc test < 0.05 are marked in bold
  4. LGE +, positive late gadolinium enhancement; LGE–, negative late gadolinium enhancement; LV, left ventricle; EF, ejection fraction; GLS, global longitudinal strain; GCS, global circumferential strain; GRS, global radial strain; MAPSE, mitral annular plane systolic excursion