Table 1.
Demographic and diagnostic data for patients with and without any fracture.
| All patients | Patients with any stent fracture | Patients with no stent fracture | p value | |
|---|---|---|---|---|
| Number of patients | 120 | 29 (24%) | 91 (76%) | - |
| Number of stents | 166 | - | - | - |
| Patients with multiple stents | 34 (28%) | 8 (27%) | 26 (28%) | 0.92 |
| Age at placement (years)1 | 8.6±8.1 | 10.5±7.3 | 7.8±8.2 | 0.12 |
| Duration from placement to most recent catheterization (years)1 | 7.2±2.8 | 7.1±2.9 | 7.2±2.8 | 0.91 |
| Catheterization after 1995 | 60 (50%) | 14 (48%) | 46 (51%) | 0.83 |
| Underlying diagnosis | ||||
| Tetralogy of Fallot with pulmonary atresia | 45 (38%) | 9 (31%) | 36 (40%) | 0.41 |
| Tetralogy of Fallot | 27 (23%) | 4 (14%) | 23 (25%) | 0.20 |
| Common arterial trunk | 16 (13%) | 8 (28%) | 8 (9%) | 0.01 |
| Palliated functionally univentricular hearts | 15 (12%) | 3 (10%) | 12 (13%) | 0.69 |
| Transposition after arterial switch operation | 7 (6%) | 4 (14%) | 3 (3%) | 0.06 |
| Isolated pulmonary arterial stenosis | 4 (3%) | 0 (0%) | 4 (4%) | - |
| Transposition or double-outlet right ventricle after Rastelli procedure | 3 (3%) | 1 (3%) | 2 (2%) | - |
| Other | 3 (3%) | 0 (0%) | 3 (3%) | - |
| Right aortic arch | 12 (10%) | 6 (21%) | 6 (7%) | 0.03 |
| Ascending aortic Z-score at follow-up | 4.0±2.8 | 5.0±2.4 | 3.7±2.8 | 0.09 |
1
Age at placement, and duration from placement, to most recent catheterization refer to the first placement if multiple stents were placed at different catheterizations.