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Table 2 Global and segmental strain assessed by cardiovascular magnetic resonance

From: Strain parameters for predicting the prognosis of non‐ischemic dilated cardiomyopathy using cardiovascular magnetic resonance tissue feature tracking

 

Healthy control subjects

(n = 25)

Recovered NDCM

(n = 21)

Unrecovered NDCM

(n = 58)

P value

LV-GLS, %

− 20.2 ± 2.2

− 8.4 ± 3.5

− 7.6 ± 3.2

0.313

SD16-TTPLS, ms

84 ± 32

96 ± 30

126 ± 53

0.008

LV-GCS, %

− 21.9 ± 2.9

− 8.5 ± 4.0

− 7.4 ± 3.0

0.190

bas, %

− 21.7 ± 3.1

− 8.7 ± 3.0

− 9.4 ± 3.6

0.364

mid, %

− 21.8 ± 3.6

− 8.3 ± 4.4

− 7.1 ± 3.3

0.216

api, %

− 24.0 ± 3.1

-11.2 ± 5.1

− 8.5 ± 4.4

0.017

CSapi/bas

1.12 ± 0.18

1.40 ± 0.74§

0.97 ± 0.47

0.001

SD16-TTPCS, ms

67 ± 14

87 ± 28§

125 ± 60

0.002

LV-GRS, %

47.9 ± 9.4

14.5 ± 7.5

12.3 ± 6.5

0.262

bas, %

47.0 ± 13.5

14.4 ± 6.0

16.8 ± 9.6

0.347

mid, %

45.3 ± 12.6

12.7 ± 7.3

11.0 ± 6.2

0.440

api, %

56.4 ± 11.5

18.8 ± 10.2

13.2 ± 8.2

0.021

RSapi/bas

1.22 ± 0.37

1.44 ± 0.76§

0.92 ± 0.59

0.001

SD16-TTPRS, ms

65 ± 19

85 ± 20§

129 ± 66

0.001

Peak systolic torsion,

deg/cm

2.85 ± 1.83

2.01 ± 1.09

1.96 ± 1.06

0.858

RV-GLS, %

− 23.6 ± 5.5

− 15.9 ± 5.2

− 14.7 ± 7.3

0.475

RV-GCS, %

− 12.1 ± 2.6

− 6.7 ± 3.4

− 5.7 ± 4.4

0.303

RV-GRS, %

23.5 ± 8.2

11.7 ± 5.7

12.2 ± 6.5

0.782

LA-reservoir, %

36.1 ± 12.6

15.4 ± 6.9

15.5 ± 10.8

0.988

  1. LV left ventricular, GLS global longitudinal strain, SD16-TTPLS standard deviation of time to peak longitudinal strain in LV 16 segments, GCS global circumferential strain, CSapi/bas apical circumferential stain divided by basal circumferential strain, RSapi/bas apical radial stain divided by basal radial strain, SD16-TTPCS standard deviation of time to peak circumferential strain in LV 16 segments, GRS global radial strain, SD16-TTPRS standard deviation of time to peak radial strain in LV 16 segments, RV right ventricular, LA left atrial
  2. P < 0.003 vs. control
  3. §P < 0.003 vs. Unrecovered NDCM (Bonferroni correction), P values for strain parameters assessed by CMR of the recovered and unrecovered patients were presented