Table 2.
Imaging strategy, additional findings and cumulative radiation dose and anaesthetic time prior to first intervention
| Age (d) | PAs on echo? | Imaging 1 | Age (d) | PAs? | Imaging 2 | Age (d) | PAs? | Other findings | Imaging 3 | Age (d) | PAs? | Other findings | PAs at Surgery? | GA (mins) | Rad (mGy cm2) | Surgery | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | Yes | – | – | – | – | – | – | – | – | – | – | – | Yes | 0 | 0 | Shunt to PAs |
| 2 | 0 | Yes | Cath | 6 | Yes | – | – | – | – | – | – | – | – | Yes | 181 | 78 | Shunt to PAs |
| 3 | 1 | No | MRI | 5 | No | MRI | 79 | No | + 1 APC | Cath | 86 | No | None | No | 90 | 141 | Shunt to unif. |
| 4 | 0 | Yes | MRI | 4 | Yes | – | – | – | – | – | – | – | – | Yes | 92 | 0 | Shunt to PAs |
| 5 | 0 | Yes | MRI | 5 | Yes | – | – | – | – | – | – | – | – | Yes | 33 | 0 | Shunt to PAs |
| 6 | 0 | No | Cath | 1 | Yes | – | – | – | – | – | – | – | – | Yes | 40 | 62 | Shunt to PAs |
| 7 | 0 | Yes | MRI | 2 | Yes | Cath | 16 | Yes | None | – | – | – | – | Yes | 114 | 231 | Shunt to PAs |
| 8 | 0 | Yes | MRI | 19 | Yes | Cath | 34 | Yes | None | – | – | – | – | Yes | 185 | 172 | Shunt to PAs |
| 9 | 0 | Yes | Cath | 2 | Yes | – | – | – | – | – | – | – | – | Yes | 108 | 122 | Shunt to PAs |
| 10 | 0 | Yes | MRI | 11 | No | Cath | 34 | Yes | None | – | – | – | – | Yes | 91 | 58 | Shunt to PAs |
| 11 | 94 | Yes | MRI | 96 | No | – | – | – | – | – | – | – | – | No | 52 | 0 | Shunt to unif. |
| 12 | 1 | No | MRI | 6 | No | Cath | 8 | Yes | + 1 APC | – | – | – | – | Yes | 107 | 158 | Shunt to PAs |
| 13 | 73 | Yes | MRI | 76 | Yes | Cath | 80 | Yes | + 1 APC | – | – | – | – | Yes | 118 | 47 | Shunt to PAs |
| 14 | 11 | Yes | MRI | 18 | No | Cath | 60 | No | None | CT | 85 | Yes | None | No | 157 | 461 | Shunt to unif. |
| 15 | 10 | Yes | MRI | 11 | No | Cath | 17 | Yes | + 1 APC | – | – | – | – | Yes | 174 | 338 | Stent to PDA |
| 16 | 0 | Yes | CT | 1 | Yes | – | – | – | – | – | – | – | – | Yes | 0 | 66 | Shunt to PAs |
| 17 | 0 | Yes | MRI | 1 | No | CT | 7 | No | + 2 APCs | Cath | 13 | Yes | − 1 APC | Yes | 130 | 191 | Shunt to PAs |
| 18 | 23 | No | CT | 24 | No | Cath | 25 | Yes | PAs | – | – | – | – | Yes | 108 | 238 | Conduit to unif. |
| 19 | 0 | Yes | – | – | – | – | – | – | – | – | – | – | – | Yes | 0 | 0 | Shunt to PAs |
PAs pulmonary arteries, GA general anaesthetic, Rad radiation dose, Cath catheterisation, MRI magnetic resonance imaging, APC aortopulmonary collaterals, Unif unifocalised collaterals, CT computed tomography, PDA patent arterial duct