Table 3. Surgical technique of the two groups.
| Techniques | Robotic MVP group (n=121), n (%) | Thoracoscopic MVP group (n=113), n (%) | Total (n=234) |
|---|---|---|---|
| Annuloplasty ring | 102 (84.3) | 111 (98.2) | 4 (1.7) |
| Artificial chordae tendineae implantation | 20 (16.5) | 67 (59.3) | 87 (37.2) |
| Leaflet resection | 79 (65.3) | 6 (5.3) | 85 (36.3) |
| Commissural magic stitch | 5 (4.1) | 18 (15.9) | 23 (9.8) |
| Congenital crack suture | 9 (7.4) | 5 (4.4) | 14 (6.0) |
| Commissurotomy | 7 (5.8) | 5 (4.4) | 12 (5.1) |
| Papillary muscle mass resection | 0 | 2 (1.8) | 2 (0.8) |
| Other | 0 | 7 (6.2) | 7 (3.0) |
“Other” represents surgical techniques that do not belong to the above classification, including Barlow’s disease correction, etc. MVP, mitral valve plasty.