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Table 2 Comparison of clinical characteristics according to the severity of TR in patients

From: The occurrence and risk factors of bradycardia after the Maze procedure in patients with atrial fibrillation and tricuspid regurgitation

Characteristics Mild TR group (n = 50) Moderate-to-severe TR group (n = 32) P value
Age, y 58 (49–63) 58 (53–63) 0.875
Men, n (%) 16 (32) 8 (25) 0.497
Smoker, n (%) 9 (15) 6 (19) 0.932
Drinker, n (%) 3 (6) 0 (0) 0.875
Body mass index, kg/m2 24.00 ± 3.26 24.02 ± 3.59 0.985
Hypertension, n (%) 5 (10) 5 (16) 0.448
Diabetes, n (%) 2 (4) 2 (6) 0.645
ALT (U/L) 24.55 (17.5–44.2) 21.6 (13.5–32.25) 0.714
AST (U/L) 26 (20.25–30.75) 22 (18.05–30.725) 0.757
Total bilirubin (μmol/L) 15.6 (10.75–24.05) 18.2 (13.1–25.1) 0.063
Partial pressure of oxygen (mmHg) 85.65 (74.35–95.7) 85.8 (78.68–94.5) 0.827
Pro-BNP (ng/ml) 1452.5 (757.7–2594.26) 1314 (648.65–247.75) 0.112
LV ejection fraction (%) 60 (55–64) 58 (54–62) 0.682
Pulmonary systolic blood pressure (mmHg) 35.76 ± 9.04 41.75 ± 12.39 0.013
LV end-diastolic dimension (mm) 50.5 (47–53.25) 51.5 (47.75–56) 0.742
RV diameter (mm) 16 (15–18) 16 (15–18) 0.137
RV outflow tract diameter (mm) 26 (24–28) 27 (24–28) 0.935
AF duration time (years) 1.5 (0.2–6.5) 0.75 (0.14–2) 0.410
Preoperative heart rate 98 (79–114) 84 (71–102) 0.518
Euroscore II (%) 1.06 ± 0.36 1.13 ± 0.47 0.097
  1. Data were expressed as mean ± SD unless otherwise indicated
  2. TR tricuspid regurgitation, ALT alanine aminotransferase, AST aspartate aminotransferase, Pro-BNP, LV left ventricular, RV right valve, AF atrial fibrillation