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Table 2 Cardiac magnetic resonance imaging and echocardiographic parameters

From: Different contribution of extent of myocardial injury to left ventricular systolic and diastolic function in early reperfused acute myocardial infarction

Variables  
LV end-diastolic volume by CMR, mL 138.7 ± 28.1
LV ejection fraction by CMR, % 53.0 ± 10.8
LV mass index by CMR, g/m2 80.3 ± 21.5
LV end-diastolic wall stress, kPa 3.83 ± 1.39
Tissue characterization  
  Number of LGE segments (among 17 segments) 4.5 ± 2.4
  Number of edema segments (among 16 segments) 4.1 ± 2.7
  Sum of LGE score 13.0 ± 9.1
  Presence of MVO, n (%) 17 (45)
  LGE amount (g) 21.1 ± 13.9
  Percent LGE (%) 15.0 ± 9.0
E velocity, cm/s 69.6 ± 21.0
E/A ratio 1.03 ± 0.35
e’ velocity, cm/s 6.71 ± 2.70
E/e’ 11.4 ± 4.7
Left atrial volume index, ml/m2 21.1 ± 7.0
GLS, % -13.2 ± 3.9
Systolic GLSr, 1/s -0.73 ± 0.23
Early diastolic GLSr, 1/s 0.86 ± 0.34
Average GCS, % -15.8 ± 6.3
  GCS-basal slice, % -13.8 ± 5.4
  GCS-midventricular slice, % -13.6 ± 6.3
  GCS-apical slice, % -20.2 ± 11.5
Average systolic GCSr, 1/s -1.01 ± 0.45
  Systolic GCSr-basal slice, 1/s -0.86 ± 0.35
  Systolic GCSr-midventricular slice, 1/s -0.89 ± 0.39
  Systolic GCSr-apical slice, 1/s -1.31 ± 0.87
Average early diastolic GCSr, 1/s 1.18 ± 0.64
  Early diastolic GCSr-basal slice, 1/s 0.88 ± 0.48
  Early diastolic GCSr-midventricular slice, 1/s 0.93 ± 0.52
  Early diastolic GCSr-apical slice, 1/s 1.79 ± 1.30
Twist, ° 17.9 ± 8.5
  1. LV = left ventricular, EF = ejection fraction, MVO = microvascular obstruction, GLS = global longitudinal strain, GLSr = global longitudinal strain rate, GCS = global circumferential strain, GCSr = global circumferential strain rate.