Skip to main content

Table 2 Comparison of CMR parameters including LV strain and rotational parameters between healthy—and DCM group

From: Myocardial mechanics in dilated cardiomyopathy: prognostic value of left ventricular torsion and strain

 

Healthy group (n = 70)

DCM group (n = 350)

p-value

LVEF [%]

60.1 ± 5.1

36.4 ± 13.7

< 0.001

LVEDV [ml]

168.0 ± 38.2

248.9 ± 94.4

< 0.001

LV mass [g]

77.7 ± 20.9

147.3 ± 97.0

< 0.001

presence of LGE [n]

–

134 (38.3%)

–

GLS [%]

− 17.5 ± 3.8

− 9.9 ± 4.5

< 0.001

GCS [%]

− 19.1 ± 3.0

− 9.4 ± 4.9

< 0.001

GRS [%]

41.8 ± 14.6

23.5 ± 12.0

< 0.001

Apical rotation [°]

6.1 ± 3.0

2.0 ± 4.1

< 0.001

Basal rotation [°]

− 4.8 ± 4.0

− 2.5 ± 3.6

< 0.001

LV twist [°]

10.3 ± 3.7

5.5 ± 3.0

< 0.001

LV torsion [°/cm]

2.3 ± 0.9

1.2 ± 0.7

< 0.001

Normal directed rotation [n]

62 (88.6%)

191 (54.6%)

< 0.001

Reversed apical rotation [n]

1 (1.4%)

98 (28.0%)

< 0.001

  1. GCS global circumferential strain, GLS global longitudinal strain, GRS global radial strain, LVEDV left ventricular end-diastolic volume, LGE late gadolinium enhancement, LVEF left ventricular ejection fraction