Table 2. Operative characteristics.
| Variable | Overall LVEF <50% (n = 557) |
Group 1 LVEF 40%–49% (n = 294) |
Group 2 LVEF 30%–39% (n = 145) |
Group 3 LVEF <30% (n = 118) |
P |
|---|---|---|---|---|---|
| Right-lateral mini-thoracotomy, n (%) | 327 (58.7) | 200 (68.0) | 82 (56.6) | 45 (38.1) | <0.001 |
| Isolated MV repair, n (%) | 354 (63.5) | 174 (59.1) | 90 (62.1) | 90 (76.2) | 0.042 |
| Additional cryoablation, n (%) | 166 (29.8) | 100 (34) | 44 (30.1) | 22 (18.6) | 0.009 |
| Additional ASD closure, n (%) | 37 (6.6) | 20 (6.8) | 11 (7.6) | 6 (5.1) | 0.711 |
| Annuloplasty ring model | |||||
| CE Physio Ring, n (%) | 409 (73.4) | 206 (70.1) | 99 (68.3) | 104 (88.1) | <0.001 |
| CE Physio II Ring, n (%) | 29 (5.2) | 26 (8.8) | 1 (0.7) | 2 (1.7) | <0.001 |
| IMR ETlogix Ring, n (%) | 60 (10.7) | 28 (9.5) | 23 (15.9) | 9 (7.6) | 0.008 |
| Cosgrove Annuloplasty Band, n (%) | 25 (4.4) | 16 (5.4) | 8 (5.5) | 1 (0.8) | 0.001 |
| MitralSolutions Annuloplasty Band, n (%) | 3 (0.5) | 3 (1.0) | 0 (0) | 0 (0) | – |
| SJM Flexible Annuloplasty Ring, n (%) | 5 (0.9) | 2 (0.7) | 3 (2.1) | 0 (0) | 0.655 |
| SJM Rigid Saddle Ring, n (%) | 18 (3.2) | 10 (10.4) | 7 (4.8) | 1 (0.8) | 0.030 |
| SJM Seguin Annuloplasty Ring, n (%) | 8 (1.4) | 3 (1.0) | 4 (2.8) | 1 (0.8) | 0.417 |
| CPB time, min | 111.7 ± 39.4 | 117.7 ± 41.2 | 106.3 ± 34.7 | 103.5 ± 38.0 | 0.001 |
| Aortic cross-clamp time, min | 62.9 ± 27.3 | 68.6 ± 28.5 | 59.8 ± 24.9 | 52.4 ± 23.6 | <0.001 |
ASD: atrial septal defect; CE: Carpentier-Edwards; CPB: cardiopulmonary bypass; IMR: ischemic mitral regurgitation; LVEF: left ventricular ejection fraction; MV: mitral valve; SJM: St. Jude Medical