Baseline demographic, echocardiographic and laboratory profiles
| Variables | Overall | Repair | Replacement | P value |
| (n=238) | (n=132) | (n=106) | ||
| Age, years | 59.6±12.4 | 59.6±13.2 | 59.8±11.5 | 0.89 |
| Female, n (%) | 142 (59.7) | 71 (53.8) | 71 (67.0) | 0.054 |
| Diabetes, n (%) | 34 (14.3) | 22 (16.7) | 12 (11.3) | 0.33 |
| Hypertension, n (%) | 73 (30.7) | 46 (34.8) | 27 (25.5) | 0.16 |
| NYHA class 3–4, n (%) | 95 (39.9) | 46 (34.8) | 49 (46.2) | 0.10 |
| Coronary arterial disease, n (%) | 37 (17.1) | 25 (21.0) | 12 (12.4) | 0.14 |
| Chronic obstructive lung disease, n (%) | 21 (8.8) | 5 (3.8) | 16 (15.1) | 0.005 |
| Atrial fibrillation, n (%) | 147 (61.8) | 88 (66.7) | 59 (55.7) | 0.11 |
| Previous cardiac surgery, n (%) | 94 (39.5) | 29 (22.0) | 65 (61.3) | <0.001 |
| Echocardiographic findings | ||||
| Tricuspid regurgitation (TR) aetiology, n (%) | 0.29 | |||
| Flail/Prolapse | 42 (17.6) | 26 (19.7) | 16 (15.1) | |
| Rheumatic | 5 (2.1) | 1 (0.8) | 4 (3.8) | |
| Functional | 186 (78.2) | 103 (78.0) | 83 (78.3) | |
| Trauma | 5 (2.1) | 2 (1.5) | 3 (2.8) | |
| Left ventricular ejection fraction, % | 58.3±8.0 | 58.7±7.9 | 57.9±8.3 | 0.46 |
| Tricuspid annular diameter, mm | 40.9±7.4 | 40.4±7.1 | 41.7±7.7 | 0.19 |
| TR distal jet area, cm2 | 23.1±9.8 | 20.8±7.8 | 26.0±11.0 | <0.001 |
| Pulmonary artery systolic pressure, mm Hg | 29.2±12.1 | 28.6±10.3 | 30.0±14.1 | 0.36 |
| RV fractional area change, % | 38.1±7.7 | 38.9±6.9 | 37.1±8.6 | 0.096 |
| Right atrial pressure (mm Hg), n (%) | <0.001 | |||
| >5, <10 | 50 (22.1) | 39 (30.7) | 11 (11.1) | |
| >10, <15 | 23 (10.2) | 11 (8.7) | 12 (12.1) | |
| >15 | 153 (67.7) | 77 (60.6) | 76 (76.8) | |
| Laboratory findings | ||||
| Haemoglobin, g/dL | 12.3±2.2 | 12.7±2.2 | 11.8±2.3 | 0.001 |
| Platelet count, ×103/μL | 177.9±66.8 | 184.3±63.6 | 170.0±70.2 | 0.10 |
| Estimated glomerular filtration rate, mL/min/1.73 m2 | 70.2±19.0 | 69.6±19.6 | 71.0±18.3 | 0.56 |
| Total bilirubin, mg/dL | 1.06±0.62 | 0.95±0.48 | 1.18±0.75 | 0.005 |
| Albumin, g/dL | 3.81±0.49 | 3.83±0.43 | 3.78±0.57 | 0.50 |
| Operative profiles | ||||
| Rt. thoracotomy approach | 92 (38.7) | 49 (37.1) | 43 (40.6) | 0.68 |
| Concomitant maze procedure | 82 (34.5) | 62 (47.0) | 20 (18.9) | <0.001 |
| Tricuspid replacement, n (%) | ||||
| Mechanical prosthesis | 83 (78.3) | |||
| Biologic prosthesis | 23 (21.7) | |||
| Tricuspid repair, n (%)* | ||||
| Annuloplasty | 113 (85.6) | |||
| Ring annuloplasty | 99 (75.0) | |||
| Ring+de Vega | 7 (5.3) | |||
| de Vega | 7 (5.3) | |||
| Kay method | 5 (3.8) | |||
| Edge-to-edge repair | 6 (4.5) | |||
| Commissural repair | 10 (7.6) | |||
| New chordae formation | 15 (11.4) | |||
| Leaflet augmentation | 11 (8.3) |
Data are presented as mean (±SD) or numbers (percentages).
*Several tricuspid repair techniques were combined and used together.
NYHA, New York Heart Association; RV, right ventricular.