Table 3.
Procedure-related variables.
| Matched Group n = 288 |
FE < 30% (Group 1) n = 144 |
FE ≥ 30% (Group 2) n = 144 |
p | |
|---|---|---|---|---|
| Procedural success, n (%) | 271 (94.1) | 135(93.8) | 136 (94.4) | 0.803 |
| Number of clips implanted, n | 1.49 ± 0.64 | 1.48 ± 0.64 | 1.50 ± 0.64 | 0.744 |
| Procedural duration, min | 140 (115–180) | 141 (118–192) | 136 (105–179) | 0.413 |
| Implantation time, min | 80 (60–107) | 82 (59–108) | 70 (60–108) | 0.677 |
| Degree of mitral regurgitation post clip, n (%) 0 I II III IV |
17 (5.9) 176 (61.1) 81 (28.1) 8 (2.8) 6 (2,1) |
9 (6.3) 86 (59.7) 41 (28.5) 5 (3.5) 3 (2.1) |
8 (5.6) 90 (62.5) 40 (27.8) 3 (2.1) 3 (2.1) |
0.955 |
| Transmitral gradient after the clip, mmHg | 3.05 ± 1.68 | 3.06 ± 1.49 | 3.04 ± 1.84 | 0.923 |
| Clip detachment (partial or complete), | 8 (2.8) | 5 (3.5) | 3 (2.1) | 0.723 |
| Catheter thrombosis, n (%) | 2 (0.7) | 1 (0.7) | 1 (0.7) | 1 |
| Subvalvular chordal rupture n (%) | 3 (1.0) | 1 (0.7) | 2 (1.4) | 0.999 |
| Clip entanglement in subvalvular apparatus, n (%) | 0 | 0 | 0 | - |
| Puncture site hematoma, n (%) | 10 (3.5) | 5 (3.5) | 5 (3.5) | 1 |
| Arteriovenous fistula, n (%) | 3 (1.0) | 2 (1.4) | 1 (0.7) | 0.999 |
| Valvular surgery, n (%) | 1 (0.3) | 0 | 1 (0.7) | 0.999 |
| Hemorrhage (BARC criteria) 0 1 2 3a 3b |
250 (86.8) 32 (11.1) 2 (0.7) 1 (0.3) 3 (1.0) |
133 (92.4) 9 (6.3) 1 (0.7) 0 1 (0.7) |
117 (81.3) 23 (16.0) 1 (0.7) 1 (0.7) 2 (1.4) |
0.590 |
| Pericardial leak | 5 (1.7) | 3 (2.1) | 2 (1.4) | 0.685 |
| Urgent indication, n (%) | 19 (6.6) | 10 (6.9) | 9 (6.3) | 0.812 |
Values represent n (%), mean ± standard deviation or median (interquartile range).