Skip to main content

Table 3 CMR-derived measurements and Myocardial Salvage Index

From: Assessment of myocardial salvage in patients with STEMI undergoing thrombolysis: ticagrelor versus clopidogrel

CMR-derived measurements (5–6 month post-randomization)

Clopidogrel (n = 21)

Ticagrelor (n = 21)

p-value

Timing of CMR from Thrombolysis (Months)

5.66 ± 0.69

5.48 ± 0.59

0.38

EDVI (ml/m2)

69.28 ± 24.36

71.48 ± 13.69

0.72

ESVI (ml/m2)

34.83 ± 20.46

33.85 ± 11.66

0.85

SV (ml)

70.39 ± 18.99

79.71 ± 19.21

0.12

SVI (ml/m2)

35.28 (28.51–38.6)

39.04 (31.05–45.23)

0.079

LVEF (%)

51.94 ± 12.18

54.14 ± 10.37

0.53

Infarct total extent (% LV)

24.4 ± 15.66

26.65 ± 17.49

0.66

Maximal transmurality (%)

86.48 (89–100)

82.38 (71–100)

0.87

Mean transmurality (%)

48.1 ± 22.2

45.13 ± 20.66

0.65

Scar Volume (ml)

9.96 (4.84–26.97)

17.27 (4.02–24.14)

0.49

Final infarct Size (% LV)

10.7 ± 8.25

12.09 ± 8.72

0.6

MSI-BARI

52.25 ± 30.5

54.29 ± 31.08

0.83

MSI-APPROACH

51.94 ± 30.01

53.09 ± 32.39

0.9

  1. Data are presented as mean ± Standard Deviation, median (quartiles 1–3), or number and percentage of patients. p-values express comparison between the two groups (Clopidogrel versus Ticagrelor)
  2. CMR Cardiac magnetic resonance imaging, EDVI Left ventricular end-diastolic volume index, ESVI Left ventricular end-systolic volume index, SV Stroke volume, SVI Stroke volume index, LV Left ventricle, LVEF Left ventricular ejection fraction, MSI-BARI/APPROACH Myocardial Salvage Index calculated after estimation of Area At Risk with the use of the BARI/APPROACH angiographic scoring systems, % LV Percentage of left ventricular myocardium