Table I.
Demographic, procedural and patent ductus arteriosus characteristics of the 3 subgroups of PDA device closure
| Parameter | Nit-Occlud (n = 30) | Coils (n = 25) | ADO-1 (n = 34) | P-value | |
|---|---|---|---|---|---|
| Age, median (range) [months] | 47 (11–424) | 47.3 (4.7–246.7) | 31.3 (7.3–318) | 0.54* | |
| Weight, median (range) [kg] | 16.2 (8.3–78.7) | 15.9 (3.9–104.4) | 14.1 (6.6–67.8) | 0.58* | |
| Procedure time, median (range) [min] | 60.5 (43–103) | 71 (34–173) | 68.5 (40–102) | 0.18* | |
| Dose area product, median (range) [µGym2] | 603 (181–12962) | 540 (139–14941) | 758.8 (236.5–19687.5) | 0.25* | |
| Patent ductus arteriosus type: | 0.322 | ||||
| A | 36.7% | 12% | 38.2% | ||
| B | 0% | 0% | 5.8% | ||
| C | 3.3% | 4% | 17.6% | ||
| D | 0% | 8% | 0% | ||
| E | 60% | 76% | 38.2% | ||
| Patent ductus arteriosus, minimal diameter, median (range) [mm] | 1.45 (0.5–3.7) | 1.1 (0.5–3.6) | 2.1 (1.3–5.5) | < 0.001* | |
| Patent ductus arteriosus, maximal diameter, median (range) [mm] | 4.75 (1.5–11.4) | 3.1 (0.5–7.2) | 4.3 (2.1–9.6) | < 0.001* | |
| Patent ductus arteriosus, length, median (range) [mm] | 7.6 (3.2–20) | 7.3 (2.8–14) | 8.3 (2–13.5) | 0.58* | |
*
Independent sample Kruskal-Wallis test, **χ2 test. ADO-1 – Amplatzer Duct Occluder-1, PDA – patent ductus arteriosus.