Variable | Value |
---|---|
Fontan pathway pressures | |
IVC pressure (mm Hg), n=14 | 13.9±3.6 |
SVC pressure (mm Hg), n=13 | 14.2±3.1 |
Patients with pressure gradient, n (%) | 10/13 (76.9) |
Gradient in these patients (mm Hg) | 1.0 (1.0–2.0) |
Minimum ECC diameter | |
AP view (mm) | 8.6±2.5 |
Normalised AP view (mm/m) | 9.8±2.9 |
Percent stenosis AP, IVC related (%) | 50.3±12.7 |
Percent stenosis AP, original ECC size (%) | 49.1±13.8 |
Lateral view (mm) | 9.2±2.8 |
Normalised lateral view (mm/m) | 10.5±3.4 |
Percent stenosis lateral, IVC related (%) | 43.4±15.2 |
Percent stenosis AP, original ECC size (%) | 45.6±15.5 |
Minimum diameter in either view (mm) | 8.3±2.4 |
Normalised minimum diameter (mm/m) | 9.5±2.9 |
Maximum percent stenosis either view (%) | 50.8 ± 13.6 |
Maximum percent stenosis, IVC related (%) | 50.4±12.7 |
Maximum percent stenosis, original ECC size (%) | 49.1±13.8 |
Type of ECC stenosis, n (%) | |
Focal | 5 (26.3) |
Long segment | 14 (73.7) |
Stenosis length (mm) | 27.4±6.2 |
Presence of collaterals, n (%) | 15 (78.9) |
Data are expressed as median (range), mean±SD or number (percentage).
AP, anteroposterior; BSA, body surface area; ECC, extracardiac conduit; IVC, inferior vena cava; SVC, superior vena cava.