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Table 2 T 2 measurements (mean ± SD) of arterial wall and plaque tissues

From: In-vivo quantitative T2 mapping of carotid arteries in atherosclerotic patients: segmentation and T2 measurement of plaque components

Study

Field strength

Num. of TEs

Num. of plaques

Location

LRNC [ms]

Fibrous tissue [ms]

Intima & media [ms]

Ref.

in-vivo

3 T

7

15

carotid

37 ± 5

56 ± 9

54 ± 13

*This study

in-vivo

1.5 T

2

7

carotid

28 ± 6

51 ± 10

48 ± 7

[16]

ex-vivo

1.5 T

2

7

carotid

31 ± 5

51 ± 9

52 ± 7

[16]

ex-vivo

1.5 T

8

10

carotid

47 ± 14

60 ± 13

67 ± 23

[17]

ex-vivo

1.5 T

4

10

carotid

84 ± 41

95 ± 32

60 ± 6

[18]

ex-vivo

9.4 T

7

3

carotid

35-49

48-60

72-76

[19]

ex-vivo

4.7 T

4

7

coronary

31 ± 7

55 ± 11

50 ± 10

[20]

ex-vivo

1.5 T

10

8

various

55 ± 3

79 ± 4

81 ± 3

[21]

ex-vivo

4.7 T

10

8

various

50 ± 3

63 ± 1

65 ± 2

[21]

ex-vivo

9.4 T

20

8

various

20 ± 3

30 ± 2

30 ± 3

[21]

ex-vivo

1.5 T

32

13

various

< 20

100-200

68 ± 10

[22]

ex-vivo

3 T

7

14

aorta/iliac

54 ± 3

89 ± 6

76 ± 9

[23]

  1. * Fibrous tissue and normal arterial wall cannot be discriminated in-vivo by T2 alone. This study measured the T2 values of tunica intima and media in 14 normal arteries, while both fibrous tissue and normal arterial wall of the 15 atherosclerotic arteries were categorized together as fibrous tissue.
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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