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Table 2 ssT2* vs. aT2* < 20 ms for whole-heart intramyocardial hemorrhage (IMH) T2* and Volume (%LV) in Patients and Canines with IMH

From: Quantification of myocardial hemorrhage using T2* cardiovascular magnetic resonance at 1.5T with ex-vivo validation

 

Patients

Canines

Acute

Chronic

Acute

Chronic

Ex vivo

IMH T2* value (ms)

 ssT2*

18.4 ± 3.7

19.6 ± 3.0

23.3 ± 4.6

20.9 ± 3.0

16.6 ± 4.1

 aT2* < 20 ms

15.9 ± 1.8

17.1 ± 1.9

17.4 ± 2.0

16.9 ± 1.3

14.1 ± 2.5

 ∆T2* (ms)

2.5 ± 2.3

2.4 ± 1.5

5.9 ± 3.0

4.1 ± 2.2

2.5 ± 1.9

 Relative ∆T2*(%)

11.9 ± 8.6

11.7 ± 6.0

23.7 ± 9.1

18.7 ± 7.2

13.5 ± 8.0

Remote T2* value (ms)

35.5 ± 3.3

33.0 ± 2.9

40.0 ± 6.5

34.6 ± 5.9

34.4 ± 5.6

IMH volume (%LV)

 ssT2*

8.0 ± 5.9

4.0 ± 3.1

6.9 ± 6.4

4.0 ± 2.1

5.9 ± 2.7

 aT2* < 20 ms

6.2 ± 5.8

2.7 ± 2.9

3.8 ± 5.8

2.2 ± 1.5

4.6 ± 3.1

 ∆volume (%LV)

1.8 ± 1.4

1.3 ± 1.1

3.2 ± 2.1

1.8 ± 1.1

1.3 ± 0.9

 Relative ∆volume (%)

32.7 ± 26.2

42.8 ± 27.2

67.5 ± 27.6

49.5 ± 21.4

28.7 ± 22.7

  1. aT2* absolute T2* < 20 ms; IMH intramyocardial haemorrhage, ssT2* subject specific T2*
  2. Indicates p < 0.005, p < 0.001