Table 4 Dynamic changes of LGE, MVO and IMH within the first week following STEMI

Ejection fraction (EF) (%)

49 ± 11

48 ± 11

51 ± 9

0.66

0.45

0.21

End Diastolic Volume (EDV) (ml)

162 ± 33

168 ± 33

177 ± 29

0.11

0.001

0.015

End Systolic Volume (ESV)(ml)

83 ± 27

89 ± 27

89 ± 24

0.085

0.057

1.0

Late gadolinium enhancement (LGE) (LV %)

27 ± 16

26 ± 16

27 ± 19

1.0

0.99

0.87

Microvascular obstruction (MVO) (LV %)

4.0 ± 4.9

4.1 ± 6.0

2.4 ± 3.4

1.0

0.02

0.011

MVO prevalence (n, %)

11 (44%)

17 (56%)

12 (55%)

–

–

–

Intra-myocardial haemorrhage (IMH) mm²

0.7 ± 1.6

1.4 ± 1.6

1.1 ± 1.4

0.012

0.46

0.69

IMH prevalence (n, %)

9 (36%)

14 (47%)

10 (45%)

–

–

–