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Table 1 Summary of T1 mapping parameters from 10 volunteers

From: Robust free-breathing SASHA T1 mapping with high-contrast image registration

 

Breath-hold

Free-Breathing 120° SASHA-VFA

 

MOLLI

70° SASHA-VFA

120° SASHA-VFA

NAV

NORM-REG

HC-REG

Myocardial Mean (ms)

943.2 ± 22.2*

1149.4 ± 26.5

1147.7 ± 22.2

1161.7 ± 28.2*

1167.3 ± 27.7*

1156.1 ± 28.1

Myocardial Std Dev (ms)

54.7 ± 5.9*

72.7 ± 8.0

68.6 ± 5.9

48.0 ± 6.7*

45.7 ± 7.4*

36.2 ± 3.1*

Blood Mean (ms)

1503.3 ± 51.5*

1614.3 ± 60.9

1629.5 ± 73.8

1639.6 ± 72.9*

1625.6 ± 69.4

1632.6 ± 73.3

Blood Std Dev (ms)

56.0 ± 7.9*

97.8 ± 11.8

90.7 ± 13.8

54.8 ± 10.1*

43.0 ± 8.6*

37.3 ± 4.7*

Acquisition Time (s)

11.0 ± 1.2

10.0 ± 1.1

10.1 ± 1.2

107.7 ± 7.3

107.7 ± 7.3

107.7 ± 7.3

Acceptance Rate (%)

100.0 ± 0.0

100.0 ± 0.0

100.0 ± 0.0

49.3 ± 16.7

94.0 ± 13.3

94.0 ± 13.3

  1. * p <0.05 compared to breath-hold 70° SASHA-VFA