Table 2.
Operative characteristics of mitral surgery recipients with moderate tricuspid regurgitation
| Variable | Overall | No TV operation | Concomitant TV operation | P value |
|---|---|---|---|---|
| Urgent or emergent, n (%) | 57 (27.1) | 35 (24.5) | 22 (32.8) | .204 |
| Mitral operation, n (%) | ||||
| Repair | 103 (49.1) | 66 (46.2) | 37 (55.2) | .220 |
| Bioprosthetic replacement | 70 (33.3) | 51 (35.7) | 19 (28.4) | .295 |
| Mechanical replacement | 37 (17.6) | 26 (18.2) | 11 (16.4) | .754 |
| Tricuspid operation, n (%) | ||||
| Repair | 64 (30.5) | - | 64 (95.5) | - |
| Bioprosthetic replacement | 2 (1.0) | - | 2 (3.0) | - |
| Mechanical replacement | 1 (0.5) | - | 1 (1.5) | - |
| CPB time, min, median (IQR) | 129.0 (97.0-178.0) | 122.0 (88.0-174.0) | 144.0 (112.0-109.0) | .005 |
| Cross-clamp time, min, median (IQR) | 98.0 (69.0-132.0) | 90.0 (62.0-131.0) | 108.0 (81.0-137.0) | .012 |
| Right thoracotomy, n (%) | 33 (15.7) | 25 (17.5) | 8 (11.0) | .304 |
| Robot-assisted, n (%) | 3 (1.4) | 2 (1.4) | 1 (1.5) | .957 |
| Non-TV concomitant procedure, n (%) | ||||
| Maze | 56 (26.7) | 36 (25.2) | 20 (29.9) | .475 |
| Aortic valve surgery | 50 (23.8) | 35 (24.5) | 15 (22.4) | .741 |
| CABG | 35 (16.7) | 24 (16.8) | 11 (16.4) | .947 |
| IABP | 22 (10.5) | 12 (8.4) | 10 (14.9) | .150 |
| Thoracic aortic procedure | 7 (3.3) | 4 (2.8) | 3 (4.5) | .682 |
| ECMO | 3 (1.4) | 2 (1.4) | 1 (1.5) | .957 |
| VAD | 1 (0.5) | 1 (0.7) | 0 (0.0) | .493 |
Bold type denotes P < .05. TV, Tricuspid valve; CPB, cardiopulmonary bypass; IQR, interquartile range; CABG, coronary artery bypass graft; IABP, intra-aortic balloon pump; ECMO, extracorporeal membrane oxygenation; VAD, ventricular assist device.