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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