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Table 2 Infarct characteristics

From: The effect of microvascular obstruction and intramyocardial hemorrhage on contractile recovery in reperfused myocardial infarction: insights from cardiovascular magnetic resonance

Days post AMI

 

No MO or IMH

MO only

MO and IMH

p value between groups

2

Ejection fraction,%

45 ± 10*

42 ± 5*

38 ± 9*

0.10

LV EDVi†, ml/m2

85 ± 14

96 ± 15*

93 ± 22

0.27

LV ESVi‡, ml/m2

47 ± 14*

56 ± 14*

58 ± 20

0.16

LV end-diastolic wall thickness, infarct zone, mm

8 ± 2*

9 ± 2

8 ± 2

0.72

LV end-diastolic wall thickness, remote zone, mm

7 ± 1

8 ± 1

7 ± 1

0.78

LV mass, g/m2

58 ± 15*

59 ± 11*

57 ± 19*

0.92

LGE infarct volume, ml

21 ± 16*

32 ± 17

41 ± 20*

0.02

Median LGE infarct transmural extent

75-100%

75-100%

75-100%*

0.10

LGE MO volume, ml

-

3 ± 3*

4 ± 4*

0.41

90

Ejection fraction,%

51 ± 9*

50 ± 5*

42 ± 8*

<0.01

LV EDVi, ml/m2

85 ± 19

90 ± 14*

100 ± 27

0.17

LV ESVi, ml/m2

42 ± 17*

45 ± 11*

59 ± 23

0.04

LV end-diastolic wall thickness, infarct zone, mm

7 ± 1*

7 ± 1

6 ± 1

0.13

LV end-diastolic wall thickness, remote zone, mm

7 ± 2

7 ±1

7 ± 1

0.72

LV mass, g/m2

55 ± 15*

56 ± 11*

52 ± 18*

0.82

LGE infarct volume, ml

14 ± 10*

16 ± 7

29 ± 16*

<0.01

 

Median LGE infarct transmural extent

75-100%

75-100%

50-75%*

0.73

  1. Data as mean ± SD or n (%) unless indicated. *Characteristics that are significantly different between day 2 and day 90 are indicated. †LV EDVi Left ventricular end diastolic volume, indexed to body surface area, ‡LVESVi Left ventricular end systolic volume, indexed to body surface area.