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Table 2 Velocity and flow measurements and difference in the values between PC-CMR acquisitions in ascending aorta with SENSE acceleration factor of 2 and with C-SENSE acceleration factors of 3,4,5,6

From: Quantitative assessment of velocity and flow using compressed SENSE in children and young adults with adequate acquired temporal resolution

 

Heart rate (bpm)

Acquisition duration (s)

Mean peak velocity (cm/s)

Net flow or SV (ml/beat)

Cardiac output (L/min)

LV

78 ± 14

  

87.5 ± 18.6

6.7 ± 1.4

S2

82 ± 16

51.3 ± 10.1

69.1 ± 13.3

83.8 ± 19.8

6.7 ± 1.5

CS3

80 ± 16

37.5 ± 6.5

67.5 ± 12.7

82.8 ± 22.2

6.4 ± 1.3

CS4

80 ± 16

28.1 ± 4.9

66.6 ± 12.4

83.0 ± 22.2

6.5 ± 1.3

CS5

81 ± 16

21.6 ± 3.6

67.9 ± 12.6

82.7 ± 21.9

6.4 ± 1.3

CS6

81 ± 15

19.1 ± 3.2

67.3 ± 12.1

83.4 ± 20.6

6.6 ± 1.4

LV – S2

− 4.1 ± 5.3*

  

3.7 ± 5.1*

− 0.03 ± 0.48

LV – CS3 or S2 – CS3

− 3.0 ± 5.9*

13.9 ± 6.1*

2.1 ± 3.5*

4.7 ± 8.0*

0.21 ± 0.50*

LV – CS4 or S2 – CS4

− 2.9 ± 5.4*

23.2 ± 6.7*

3.0 ± 4.6*

4.5 ± 7.6*

0.20 ± 0.54*

LV – CS5 or S2 – CS5

− 3.1 ± 6.4*

29.8 ± 7.4*

1.6 ± 3.5*

4.8 ± 7.0*

0.22 ± 0.48*

LV – CS6 or S2 – CS6

− 3.5 ± 5.3*

32.2 ± 7.8*

2.4 ± 4.0*

4.1 ± 6.4*

0.08 ± 0.46

  1. Unless otherwise indicated, data are means ± standard deviations. CS3,4,5,6  C-SENSE acceleration factor of 3,4,5,6, LV  left ventricle, S2  SENSE acceleration factor of 2, SV  stroke volume. The *represents p < 0.05