Table 1 Pre- and post-operative clinical variables of patients
Variables | Whole cohort (n = 118) | POAF (n = 26) | No POAF (n = 92) | P-value |
|---|---|---|---|---|
Preoperative data | ||||
Age (years) | 48.7 ± 13.2 | 53.5 ± 10.6 | 47.3 ± 13.6 | 0.033 |
Male (%) | 75 (63.6) | 15 (57.7) | 60 (65.2) | 0.48 |
Hypertension (%) | 27 (22.9) | 7 (26.9) | 20 (21.7) | 0.58 |
Diabetes mellitus (%) | 4 (3.4) | 1 (3.8) | 3 (3.3) | 1.00 |
CAD (%) | 14 (11.9) | 2 (7.6) | 12 (13.0) | 0.73 |
Body mass index (kg/m2) | 25.0 ± 3.3 | 25.9 ± 3.1 | 24.8 ± 3.3 | 0.14 |
Big endothelin-1 (pmol/l) | 0.30 ± 0.16 | 0.41 ± 0.19 | 0.27 ± 0.14 | 0.001 |
Medication | ||||
Calcium channel blockers (%) | 11 (9.3) | 2 (7.6) | 9 (9.9) | 1.000 |
Beta-blockers (%) | 115 (97.5) | 26 (100) | 89 (96.7) | 1.000 |
Concomitant operative procedures | ||||
CABG or myocardial unroofing (%) | 23 (19.5) | 3 (11.5) | 20 (21.7) | 0.246 |
Aortic valve replacement or repair (%) | 2 (1.7) | 0 (0) | 2 (2.2) | 1.000 |
Mitral valve replacement or repair (%) | 27 (22.9) | 10 (38.5) | 17 (18.5) | 0.032 |
Tricuspid valve replacement or repair (%) | 11 (9.3) | 5 (19.2) | 6 (6.5) | 0.063 |
Postoperative data | ||||
Mechanical ventilation time (hours) | 21.6 ± 17.0 | 26.2 ± 28.2 | 20.3 ± 12.0 | 0.31 |
Aortic clamp time (minutes) | 73.1 ± 29.9 | 75.0 ± 25.0 | 72.6 ± 31.3 | 0.71 |
Post-operative hospital stay (days) | 7.9 ± 3.1 | 9.1 ± 3.7 | 7.5 ± 2.8 | 0.022 |