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Table 1

From: 1057 Pulmonary artery size and function after Fontan operation at young age: assessment with phase contrast magnetic resonance imaging

 

controls

patients, rest

patients, stress

p-value (controls vs patients)

p-value (rest vs stress)

Heart rate (/min)

72 ± 12

69 ± 12

93 ± 17

NS

<0.001

Stroke index (ml/m2)

31 ± 7

19 ± 7

19 ± 7

<0.001

NS

Total flow (ml/min/m2)

2189 ± 463

1244 ± 74

1705 ± 308

<0.001

<0.001

Average flow (ml/s)

56 ± 15

28 ± 6

39 ± 13

<0.001

<0.001

Peak flow (ml/s)

187 ± 48

55 ± 31

71 ± 44

<0.001

<0.001

Diameter (mm)

16.2 ± 1.7

15.1 ± 2.7

15.2 ± 2.8

NS

NS

Distensibility

0.41 ± 0.09

0.22 ± 0.06

0.20 ± 0.07

<0.001

NS

Shear stress (N/m2)

0.84 ± 0.14

0.38 ± 0.15

0.50 ± 0.18

<0.001

<0.001