Table 1:
Baseline and intraoperative variables for POAF and non POAF groups. Values represented as number (%) or mean±SD. BMI-Body mass index. NYHA-New York Heart Association. CPB-Cardiopulmonary bypass. CABG-Coronary artery bypass grafting. AVR- Aortic valve replacement
| Baseline characteristic | POAF (n=40) | No POAF (n=60) | P-Value |
|---|---|---|---|
| Age | 65 ±9 | 61 (±10) | 0.06 |
| Gender (male) | 24 (60) | 33 (55) | 0.68 |
| Race (white) | 37 (92) | 51 (85) | 0.25 |
| BMI (kg/m2) | 32 ±9 | 29 (±8) | 0.12 |
| Recent MI | 4 (10) | 6 (10) | 0.92 |
| Smoking History | 24 (60) | 42 (70) | 0.28 |
| Beta blockers | 23 (56) | 37 (61) | 0.66 |
| Statin | 20 (50) | 38 (63) | 0.31 |
| Left ventricular function | 62±10 | 61±11 | 0.88 |
| Left atrial diameter (cm) | 3.9±0.65 | 4.1±0.66 | 0.51 |
| Pulmonary artery mean pressure | 34±12 | 27±12 | 0.09 |
| NYHA III or IV | 12 (30) | 16 (27) | 0.82 |
| Hypertension | 33 (83) | 46 (77) | 0.62 |
| Dyslipidemia | 19 (48) | 41 (68) | 0.06 |
| Diabetes | 15 (38) | 20 (33) | 0.68 |
| Chronic lung disease | 4 (10) | 5 (8) | 1.00 |
| Renal Failure | 1 (3) | 0 (0) | 0.40 |
| Peripheral vascular disease | 1 (3) | 1 (2) | 1.00 |
| Myocardial infarction | 4 (10) | 6 (10) | 0.64 |
| Intraoperative Characteristic | |||
| CPB time (min) | 106 (±32) | 103 (±28) | 0.65 |
| Cross clamp time (min) | 74 (±25) | 70 (±24) | 0.52 |
| CABG | 12 (30) | 28 (47) | 0.14 |
| AVR | 18 (45) | 21 (35) | 0.40 |
| Mitral valve replacement | 5 (13) | 3 (5) | 0.62 |
| Mitral valve repair | 10 (25) | 11 (18) | 0.46 |
| Tricuspid valve repair | 0 (0) | 2 (3) | 0.52 |