Follow up data
| Cavopulmonary shunt (n = 35) | Aortopulmonary shunt(s) only (n = 15) | p Value | |
|---|---|---|---|
| Mean (SD) time from last palliation (years) | 19.3 (7.6) | 17.9 (7.0) | 0.546 |
| Deaths | 13 | 6 | 0.849 |
| Mode of death | 0.086 | ||
| Sudden cardiac | 4 (31%) | 6 (100%) | |
| Heart failure | 4 (31%) | – | |
| Cardiopulmonary, other | 3 (23%)3-150 3-151 3-152 | – | |
| Non-cardiac | 2 (15%) | – | |
| Latest NYHA | 0.253 | ||
| I | 4 (11%) | – | |
| II | 11 (31%) | 6 (40%) | |
| III | 16 (46%) | 9 (60%) | |
| IV | 4 (11%) | – | |
| Phlebotomies | 15 | 4 | 0.248 |
| Systemic thromboembolic events | 5 | 4 | 0.319 |
| Mean (SD) latest haemoglobin (g/l) | 187 (28) | 197 (25) | 0.242 |
| Mean (SD) latest oxygen saturation (%) | 82 (5) | 83 (4) | 0.490 |
| Mean (SD) cardiothoracic ratio | 0.57 (0.08) | 0.62 (0.06) | 0.049 |
| Subaortic stenosis (resting gradient > 20 mm Hg) | 2 | 1 | 0.897 |
| Systemic ventricular function | 0.312 | ||
| I | 5 (14%) | – | |
| II | 15 (43%) | 5 (33%) | |
| III | 12 (24%) | 8 (53%) | |
| IV | 3 (9%) | 2 (13%) | |
| Systemic atrioventricular valve regurgitation | 0.180 | ||
| I | 13 (37%) | – | |
| II | 14 (40%) | 10 (67%) | |
| III | 5 (14%) | 4 (20%) | |
| IV | 3 (9%) | 2 (13%) | |
| Pulmonary arteriovenous malformations | 53-153 | – | 0.111 |
| Sustained atrial flutter/fibrillation | 11 | 9 | 0.002 |
| Sustained ventricular tachycardia | 7 | 4 | 0.713 |