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Table 6 Kinetic energy distribution in patients with anterior and inferior infarcts. Units for all KE parameters are μJ/ml

From: Left ventricular blood flow kinetic energy after myocardial infarction - insights from 4D flow cardiovascular magnetic resonance

 

Inferior MI (n = 13)

Anterior MI (n = 35)

P-value

Baseline CMR Parameters

 LVEDVi (ml/m2)

83 ± 19

92 ± 26

0.56✝

 LVESVi (ml/m2)

45 ± 24

51 ± 24

0.8✝

 SVi (ml/m2)

41 ± 8

41 ± 15

0.26✝

 EF (%)

49 ± 10

43 ± 21

0.87✝

 EDMi (g/m2)

54 ± 8

56 ± 24

0.41✝

 IS (%)

14.4 ± 12

23 ± 18

< 0.01

LV KE parameters

 LV KEiEDV

6.6 ± 3.7

6.4 ± 2.2

0. 78✝

 Minimal KEiEDV

0.55 ± 0.63

0.74 ± 0.48

0.17✝

 Systolic KEiEDV

7.9 ± 3.5

6.4 ± 2.0

0.33✝

 Diastolic KEiEDV

6.7 ± 3.0

6.5 ± 3.0

0.68✝

 Peak E-wave KEiEDV

15.6 ± 10.7

16.6 ± 9.9

0.9✝

 Peak A-wave KEiEDV

11.6 ± 3.9

10.7 ± 7.3

0.63✝

 In-plane LV (%)

33 ± 6

38 ± 8

0.62✝

 TD (msecs)

30 ± 40

35 ± 38

0.28✝

  1. All data is represented as median ± inter-quartile range
  2. EF left ventricular ejection fraction, IS infarct size, LV left ventricle, LVEDVi Left ventricular end diastolic volume (indexed), LVESVi Left ventricular end systolic volume (indexed), LVMi left ventricular mass (indexed), MR mitral regurgitation, SVi stroke volume (indexed), TD time difference of peak E-wave KE propagation from base to mid-ventricle
  3. P-value controlled for infarct size