Table 1

Baseline Patient Characteristics (n = 34)

Patient description
 Mean age (yrs)41 ± 10.5
 Sex (n)Female, 18; male, 16
 Mean weight (kg)77 ± 17.4
 Body surface area (m2)1.9 ± 0.25
 Stroke volume (SV) (ml)77.4 ± 17.9
 Heart rate (beats/min)Pre-intervention: 65 ± 11; post-intervention: 64 ± 13
 Arterial hemodynamics
  Systemic arterial compliance (ml mm Hg-1)Pre-intervention: 1.13 ± 0.38; post-intervention: 0.92 ± 0.25
  Systolic arterial pressure (mm Hg)Pre-intervention: 139 ± 22.5; post-intervention: 129 ± 16.8
  Diastolic arterial pressure (mm Hg)Pre-intervention: 79 ± 11.7; post-intervention: 73 ± 10.3
Coarctation description
 Proximal to COA diameter (mm)Pre-intervention: 18 ± 5.9; post-intervention: 19.5 ± 4.3
 COA diameter (mm)Pre-intervention: 13.2 ± 4.5; post-intervention: 16.5 ± 1.9
 Distal to COA diameter (mm)Pre-intervention: 25.5 ± 2.1; post-intervention: 24.5 ± 3.1
 Diameter ratio (COA/aorta)Pre-intervention: 0.72 ± 0.25; post-intervention: 0.94 ± 0.27
 Catheter peak-to-peak pressure gradient (mm Hg)Pre-intervention: 15.3 ± 2.9; post-intervention: 3.9 ± 1.4
 Catheter mean pressure gradient (mm Hg)Pre-intervention: 7.3 ± 3.3; post-intervention: 1.9 ± 0.4
 Doppler maximum pressure gradient (mm Hg)Pre-intervention: 35.1 ± 6.8; post-intervention: 18.6 ± 4.4
 Doppler mean pressure gradient (mm Hg)Pre-intervention: 17 ± 5.4; post-intervention: 9.7 ± 3.5
Cardiac catheterization
 Stent size (mm)
 Diameter12.8 ± 3.3
 Length32.8 ± 5.11
 Balloon size (mm)
 Diameter17.4 ± 6.8
 Length34.6 ± 8.4
Valve hemodynamics
 Effective orifice area (cm2)2.6 ± 0.48
 Doppler maximum pressure gradient (mm Hg)17.9 ± 9.6
 Doppler mean pressure gradient (mm Hg)10.6 ± 4.3
 Associated cardiovascular lesions
 Bicuspid aortic valve10
 Tricuspid aortic valve stenosis3
 Unicuspid valve1
 Ventricular septal defect1
 Mitral valve regurgitation4
 Descending aorta aneurysms3
 Collaterals2

Values are mean ± SD.

COA = coarctation of the aorta.