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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