Table 2 Etiology of recurrent moderate or severe mitral regurgitation after mitral valve repair
From: Recurrent mitral regurgitation after mitral valve repair for bileaflet lesions in the modern era
No. | Age/sex | MR lesiona | Repair technique | Interval from repair (years) | Etiology of failureb |
|---|---|---|---|---|---|
1 | 70/M | A2–3 + P1–2 prolapse | Artificial neochordae of A2–3 | 0.0 (7 days) | A3 prolapse (failure of neochordae) |
2 | 70/F | A2 + P2–3 prolapse | Quadrangular resection of P2–3, Artificial neochordae of A2 | 0.0 (8 days) | AML tethering, PML motion↓ |
3 | 60/M | A2 + P2-P3-PC prolapse | Artificial neochordae of A2, Quadrangular resection of P2, Commissural plication of PC | 0.2 | A2 prolapse (failure of neochordae) |
4 | 77/F | A2 + P2 prolapse | Artificial neochordae of A2 + P2 | 0.3 | P2 prolapse (failure of neochordae) |
5 | 69/M | A2 prolapse, P1 gap | Artificial neochordae of A2, Leaflet approximation of P1 | 0.6 | AML + PML tethering |
6 | 77/F | A2 prolapse, PML tethering | Artificial neochordae of A2, Commissural plication of PC | 0.7 | A2–3 tethering |
7 | 80/F | A1 + A3 + P3 prolapse, MAC | Artificial neochordae of A1, Commissural plication of PC | 1.2 | P3 prolapse |
8 | 70/F | A2–3 prolapse, P2–3 gap | Artificial chordae of A2–3, Commissural plication of PC, Leaflet approximation of P2–3 | 2.0 | A3 prolapse |
9 | 69/M | A1 prolapse, P1 tethering | Triangular resection + Artificial neochordae of A1, Commissural plication of AC | 4.0 | A1 prolapse |
10 | 68/M | A2–3 + PC prolapse | Artificial neochordae of A2–3, Commissural plication of PC | 7.0 | Regurgitation from PC |