Comparison between patients with and without clinical events
| Variables | Without events (n=51) | With events (n=18) | p Value |
| Clinical variables | |||
| Age (years) | 57±9 | 59±8 | 0.29 |
| Female (%) | 46/51 (90) | 14/18 (78) | 0.23 |
| Weight (kg) | 53.4±8.9 | 53.5±8.7 | 0.96 |
| Atrial fibrillation (%) | 41/51(80) | 17/18 (94) | 0.27 |
| NYHA functional class | 0.02 | ||
| II | 24 (47.1%) | 4 (22.2%) | |
| III | 25 (49.0%) | 11 (61.1%) | |
| IV | 2 (3.9%) | 3 (16.7%) | |
| Prior left-sided valve surgery (%) | 45 (90) | 18 (100) | 0.18 |
| Tricuspid replacement (%) | 46 (90) | 14 (78) | 0.23 |
| SBP (mm Hg) | 119±15 | 114±14 | 0.33* |
| Median (IQR) | 120 (108–130) | 114 (100–124) | |
| DBP (mm Hg) | 67±8 | 62±11 | 0.06* |
| Median (IQR) | 66 (60–70) | 60 (55–69) | |
| Laboratory findings | |||
| Urea nitrogen (mg/dl) | 19.3±8.9 | 25.7±20.5 | 0.26* |
| Median (IQR) | 17.0 (14.0–23.0) | 19.5 (14.0–28.8) | |
| Serum creatinine (mg/dl) | 1.0±0.2 | 1.2±0.4 | 0.12* |
| Median (IQR) | 0.9 (0.8–1.1) | 1.0 (0.9–1.3) | |
| Total protein (mg/dl) | 7.3±0.8 | 7.0±0.8 | 0.26 |
| Albumin (mg/dl) | 4.1±0.6 | 3.7±0.6 | 0.02 |
| Total cholesterol (mg/dl) | 160.6±36.7 | 140.6±46.7 | 0.047 |
| Haemoglobin (g/dl) | 12.5±1.7 | 11.0±1.3 | 0.001 |
| Platelets (×103/mm3) | 167±61 | 118±35 | <0.001 |
| Preoperative echocardiographic parameters | |||
| Heart rate (beats/min) | 66±9 | 66±11 | 0.91 |
| Tricuspid annulus diameter (mm) | 43.5±7.3 | 46.0±8.6 | 0.24 |
| RA (cm2) | 51.6±20.1 | 57.8±20.0 | 0.24* |
| Median (IQR) | 47.4 (39.1–60.9) | 52.3 (41.1–69.4) | |
| TR area (cm2) | 22.9±10.0 | 27.9±13.5 | 0.17* |
| Median (IQR) | 21.4 (14.5–30.1) | 25.0 (17.3–34.6) | |
| Inferior vena cava (mm) | 26.2±6.3 | 28.4±6.2 | 0.21 |
| Pulmonary artery systolic pressure (mm Hg) | 39.7±8.4 | 43.5±9.9 | 0.13 |
| LV end-diastolic diameter (mm) | 45.4±7.9 | 47.1±9.7 | 0.47 |
| LV end-systolic diameter (mm) | 29.2±6.5 | 30.4±7.2 | 0.53 |
| LV-EF (%) | 58.3±8.7 | 55.5±9.5 | 0.27 |
| RV-EDA (cm2) | 33.3±7.0 | 38.4±11.8 | 0.16* |
| Median (IQR) | 33.9 (28.6–37.8) | 36.3 (29.2–45.3) | |
| RV-ESA (cm2) | 18.9±4.8 | 24.2±8.9 | 0.03* |
| Median (IQR) | 19.2 (15.6–21.3) | 21.0 (18.3–32.2) | |
| RV-FAC (%) | 43.3±7.7 | 37.9±7.5 | 0.01 |
| S′T (cm/s) | 9.5±2.5 | 9.7±2.7 | 0.76 |
| Early postoperative echocardiographic parameters (n=69) | |||
| Heart rate (beats/min) | 65±8 | 63±11 | 0.36 |
| LV end-diastolic diameter (mm) | 47.5±7.2 | 49.8±6.9 | 0.25 |
| LV end-systolic diameter (mm) | 28.9±6.8 | 37.3±9.6 | 0.03 |
| LV-EF (%) | 58.4±9.0 | 53.9±10.5 | 0.08 |
| RV-EDA (cm2) | 24.7±4.5 | 24.2±8.2 | 0.21* |
| Median (IQR) | 24.9 (22.4–26.9) | 21.3 (17.8–28.1) | |
| RV-ESA (cm2) | 15.2±2.8 | 18.6±7.2 | 0.29* |
| Median (IQR) | 15.1 (13.2–17.2) | 15.7 (13.3–23.6) | |
| RV-FAC (%) | 38.3±5.5 | 24.6±5.4 | <0.001 |
↵* By Mann–Whitney test.
NYHA, New York Heart Association; S(D)BP, systolic (diastolic) blood pressure; RA, right atrial; TR, tricuspid regurgitation; LV, left ventricle; RV-ED(S)A, right ventricular end-diastolic (systolic) area; RV-FAC, right ventricular fractional area change; S′T, peak systolic tricuspid annulus velocity; ARB, angiotensin receptor blocker.