Determinants of neo-aortic size
| β | p Value | |
|---|---|---|
| Age (years) | 0.031 | <0.0001 |
| Years postoperation | 0.031 | <0.0001 |
| Male | 0.269 | 0.030 |
| Measurement by | ||
| Echocardiography | 0 (ref) | |
| Magnetic resonance | 0.193 | <0.0001 |
| CT | 0.348 | <0.0001 |
| Era | ||
| Before 1987 | 0.075 | 0.535 |
| After 1987 | 0 (ref) | |
| Surgical variables | ||
| Age at operation (years) | 0.092 | 0.002 |
| Weight at operation (kg) | 0.101 | 0.251 |
| Time on bypass (min) | 0.001 | 0.323 |
| Clamp time (min) | 0.001 | 0.691 |
| Childhood events | ||
| Pulmonary artery banding | 0.471 | 0.133 |
| Neo-pulmonary stenosis | −0.280 | 0.061 |
| Neo-aortic operation* | 0.038 | 0.867 |
| Supraventricular arrhythmia | 0.517 | 0.060 |
| Heart failure | −0.840 | 0.116 |
| Anatomy | ||
| TGA-IVS | 0 (ref) | |
| TGA-VSD | 0.485 | 0.001 |
| Taussig–Bing | 0.474 | 0.009 |
| TGA-VSD-PS | −0.418 | 0.395 |
| Coexisting anomalies | ||
| Abnormal coronary pattern | 0.202 | 0.197 |
| Aortic coarctation | −0.062 | 0.771 |
| Bicuspid neo-AV | 0.496 | 0.117 |
| PDA | −0.312 | 0.025 |
| ASD | 0.082 | 0.519 |
| Neo-aortic regurgitation | ||
| None | 0 (ref) | |
| Mild | 0.276 | 0.022 |
| Moderate | 0.660 | 0.001 |
| Valve prosthesis | 0.881 | 0.010 |
Bold p-value <0.05.
*Includes neo-aortic valve replacement (n=3), root replacement (n=0) and coarctation repair (n=3).
ASD, atrial septal defect; AV, aortic valve; IVS, intact ventricular septum; PDA, patent ductus arteriosus; PS, pulmonary stenosis; TGA, transposition of the great arteries; VSD, ventricular septal defect.