Table 3.
Comparison between patients with AVB at follow-up
| Total | AVB (+) | AVB (−) | ||
|---|---|---|---|---|
| n=378 | n=14 | n=364 | p Value | |
| Demographics | ||||
| Male gender | 146/378 (38.6%) | 5/14 (36%) | 141/364 (39%) | NS |
| Down syndrome | 18/378 (4.8%) | 2/14 (14%) | 16/364 (4%) | 0.097 |
| Multiple ASDs | 37/378 (9.8%) | 2/14 (16.7%) | 35/364 (9.6%) | NS |
| Size of ASD (mm) | 14 (4–30) | 13.5 (8–25) | 14 (4–30) | NS |
| Preprocedure AVB | 31/378 (8%) | 8/14 (57%) | 23/364 (6%) | <0.0001 |
| Procedure variables | ||||
| Age at procedure (years) | 4 (0–18) | 5 (1–15) | 4 (0–18) | NS |
| BW at procedure (kg) | 18 (4.5–95) | 18.5 (10–75) | 18 (4.5–90) | NS |
| BH at procedure (cm) | 107 (58–179) | 106 (73–179) | 107 (58–178) | NS |
| Catheter closure | 242/378 (64%) | 11/14 (79%) | 231/364 (64% | NS |
| Device details | ||||
| Device type | ||||
| ASO | 190/242 (79%) | 7/11 (64%) | 183/231 (79%) | NS |
| Helex | 52/242 (21%) | 4/11 (36%) | 48/231 (21%) | |
| Number of device | ||||
| 1 | 236/242 (97%) | 11/11 (100%) | 225/231 (97%) | NS |
| 2 | 6/242 (3%) | 0/11 (0%) | 6/231 (3%) | |
| Device size (mm) | 20 (8–35) | 24 (11–35) | 20 (8–35) | 0.076 |
| BH/device ratio (cm/mm) | 0.18 (0.07–0.38) | 0.22 (0.15–0.31) | 0.18 (0.07–0.38) | 0.022 |
| Postprocedure AVB | 20/378 (5%) | 6/14 (43%) | 14/364 (4%) | <0.0001 |
| Follow-up variables | ||||
| Age at follow-up (years) | 9 (1–21) | 11.5 (4–19) | 9 (1–21) | 0.037 |
| Follow-up duration (months) | 28 (0–193) | 70 (6.4–189) | 27 (0–193) | 0.018 |
Continuous values are expressed as median and range.
ASD, atrial septal defect; ASO, Amplatzer Septal Occluder; AVB, atrioventricular block; BH, body height; BW, body weight; NS, not significant.