Table 5.
Association of the variables with groups that have and have not developed postoperative atrial fibrillation in patients undergoing on-pump CABG.
| Variables | Developed atrial fibrillation (n=19) | Not developed atrial fibrillation (n=77) | P Value |
|---|---|---|---|
| Preoperative | |||
| Female | 5 (26.3%) | 18 (23.7%) | 0.8107 |
| Age (> 70 years) | 6 (31.6%) | 5 (6.5%) | 0.0021 |
| Hypertension | 8 (42.1%) | 16 (20.8%) | 0.0545 |
| Diabetes Mellitus | 5 (26.3%) | 25 (32.5%) | 0.6044 |
| Chronic obstructive pulmonary disease | 2 (10.5%) | 6 (7.8%) | 0.6994 |
| Non-use of beta-blocker | 0 (0%) | 9 (11.7%) | 0.1175 |
| Non-use of statins | 1 (5.3%) | 8 (10.4%) | 0.4923 |
| Intraoperative | |||
| Aortic clamping time | (67.11±17.18) | (69.41±21.26) | 0.66299 |
| Cardiopulmonary bypass time | (100±23.69) | (104.41±26.6) | 0.51121 |
| Blood products | 12 (63.2%) | 50 (64.9%) | 0.8847 |
| Arrhythmias | 2 (10,5%) | 7 (9.1%) | 0.8476 |
| Atrial fibrillation | 1 (5.3%) | 0 (0%) | 0.0430 |
| Ventricular fibrillation | 1 (5.3%) | 3 (3.9%) | 0.7894 |
| Ventricular extrasystole | 0 (0%) | 1 (1.3%) | 0.6175 |
| Sinus tachycardia | 0 (0%) | 0 (0%) | - |
| Postoperative | |||
| Time of Coronary Care Unit (days) | (4.53±3.11) | (2.89±1.69) | 0.0652 |
| Length of hospital stay (days) | (10.26±11.26) | (7.68±6.01) | 0.3440 |
| Increased bleeding | 2 (10.5%) | 3 (3.9%) | 0.2441 |
| Non-use of beta-blocker | 5 (26.3%) | 6 (7.8%) | 0.0232 |
| Non-use of statins | 2 (10.5%) | 3 (3.9%) | 0.2441 |
| Vasoactive drugs | 14 (73.7%) | 43 (55.8%) | 0.1562 |
| Infectious complications | 4 (21.1%) | 4 (5.2%) | 0.0251 |
| Mortality | 4 (21.1%) | 2 (2.6%) | 0.0029 |