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Table 1 Myocardium at risk comparing SPECT and CMR. Infarct size measured with LGE and myocardial salvage index

From: Assessment of myocardium at risk with contrast enhanced steady-state free precession cine cardiovascular magnetic resonance compared to single-photon emission computed tomography

 

Culprit lesion

MaR SPECT (LV%)

MaR CMR (LV%)

Infarct size LGE (LV%)

Salvage Index (%)

Patient 1

RCA

38

31

15

52

Patient 2

LAD

51

47

30

36

Patient 3

RCA

30

35

1

97

Patient 4

RCA

30

30

9

70

Patient 5

RCA

31

28

14

50

Patient 6

RCA

15

23

2

91

Patient 7

LAD

37

32

11

66

Patient 8

RCA

26

24

9

63

Patient 9

RCA

25

21

9

57

Patient 10

RCA

28

29

7

76

Patient 11

RCA

11

17

10

41

Patient 12

RCA

26

24

10

58

Patient 13

RCA

14

23

5

78

Patient 14

RCA

18

24

9

63

Patient 15

CX

28

27

9

67

Patient 16

RCA

22

27

1

96

  1. RCA = right coronary artery; LAD = left ascending artery; CX = left circumflex artery;
  2. MaR = Myocardium at Risk; SPECT = single-photon emission computed tomography;
  3. CMR = cardiovascular magnetic resonance; LV = left ventricle. Myocardial salvage index
  4. (1-scar/MaR).