Procedural and follow up data
| Stent | ||||
|---|---|---|---|---|
| Variable | Whole group (n=54) | No (n=32) | Yes (n=22) | p Value |
| Values are mean (SD) or n (%). B/CoA, ratio between diameters of the balloon and the aorta at the level of the coarctation; BP, blood pressure; B/Sub, ratio between diameters of the balloon and the aorta at the level of the left subclavian artery; Car/Sub, ratio between diameters of the balloon and the aorta at the level of the left carotid and left subclavian arteries. | ||||
| Car/Sub ratio | 0.904 (0.134) | 0.934 (0.120) | 0.897 (0.120) | 0.263 |
| B/Sub ratio | 1.17 (0.26) | 1.11 (0.19) | 1.20 (0.17) | 0.52 |
| B/CoA ratio | 4.53 (1.54) | 4.50 (1.70) | 4.40 (1.20) | 0.671 |
| Number of dilatations | 2.1 (0.8) | 2.1 (0.8) | 2.0 (0.9) | 0.412 |
| Predilatation gradient (mm Hg) | 63.1 (21.8) | 63.3 (22.8) | 63.9 (20.8) | 0.839 |
| Postdilatation gradient (mm Hg) | 7.9 (10.1) | 10.7 (10.8) | 2.7 (4.3) | 0.001 |
| Gradient reduction (%) | 87.3 (15.8) | 83.2 (13.5) | 96.1 (6.4) | <0.001 |
| Diameter increment of coarctation (%) | 359.8 (111.4) | 329.1 (98.8) | 410.9 (112.5) | 0.004 |
| Success (%) | 51 (94.4) | 29 (90.6) | 22 (100) | 0.071 |
| Days in hospital | 1.96 (2.32) | 2.26 (2.50) | 1.18 (0.85) | 0.039 |
| Follow up (months) | 43.1 (27.5) | 59.6 (24.2) | 21.6 (10.4) | <0.001 |
| Systolic BP (mm Hg) | 124.8 (15.3) | 127.7 (17.0) | 120.7 (11.6) | 0.1 |
| Diastolic BP (mm Hg) | 76.0 (12.1) | 76.2 (14.1) | 75.2 (7.6) | 0.764 |
| Echo gradient (mm Hg) | 10.1 (10.1) | 14.1 (10.9) | 4.4 (5.0) | <0.001 |
| Antihypertensive drugs | 0.475 | |||
| 0 (%) | 22 (40.7) | 15 (46.9) | 7 (31.8) | |
| 1 (%) | 29 (53.7) | 15 (46.9) | 14 (63.6) | |
| 2 (%) | 3 (5.6) | 2 (6.2) | 1 (4.5) | |
| Patients with event (%) | 8 (14.8) | 7 (21.9) | 1 (4.5) | 0.063 |
| Unsuccessful dilatation (%) | 3 (5.6 ) | 3 (9.4) | 0 | |
| Recoarctation (%) | 3 (5.6) | 3 (9.4) | 0 | |
| Aneurysm (%) | 2 (3.7) | 2 (6.2) | 0 | |
| Echo gradient >20 mm Hg (%) | 5 (9.3) | 5 (15.6) | 0 | |
| Hypertension (%) | 3 (5.6) | 3 (9.4) | 1 (4.5) | |