Table 3.
Risk factors for redo MV surgery in the degenerative mitral regurgitation (DMR) subgroup (Cox regression model). Parameters were collected prior to initial mitral valve repair.
| Multivariate Analysis | Degenerative Mitral Valve Disease (n = 147) | |||
|---|---|---|---|---|
| Variable | Redo Group | Control Group | HR | p-Value |
| Bileaflet_prolapse | 3 (8.3%) | 17 (15%) | 0.57 | 0.7 |
| Non-PML prolapse | 11 (31%) | 30 (27%) | 0.23 | 0.16 |
| sPAP ≥ 50 mmHg | 6 (17%) | 9 (8%) | 1.63 | 0.43 |
| LVEF ≤ 45% | 2 (5.5%) | 3 (2.7%) | 0.52 | 0.65 |
| MR at discharge ≥moderate | 7 (19.4%) | 2 (1.8%) | 14.5 | 0.006 |
MV, mitral valve; DMR, degenerative mitral regurgitation; PML, posterior mitral leaflet; PAP, pulmonary artery pressure; LVEF, left ventricular ejection fraction.