Table 4.
Outcome of patients with and without postcardiotomy ventricular dysfunction
| Outcome | All (n=222) | PCVD (n=63) | No PCVD (n=159) | P |
|---|---|---|---|---|
| Mortality | 9 (4.5) | 8 (12.7) | 1 (0.6) | <0.001° |
| AVR | 2 (1.9) | 2 (6.7) | 0 | 0.077° |
| CABG | 3 (3.7) | 3 (14.3) | 0 | 0.016° |
| Combined surgery | 4 (11.8) | 3 (25.0) | 1 (4.6) | 0.115° |
| Cardiovascular complications | ||||
| Atrial fibrillation | 98 (44.1) | 34 (54.0) | 64 (40.3) | 0.064 |
| Low cardiac output syndrome | 35 (15.8) | 24 (38.1) | 11 (6.9) | <0.001 |
| Myocardial infarct | 31 (14.0) | 19 (30.2) | 12 (7.6) | <0.001 |
| Stroke | 10 (4.5) | 2 (3.2) | 8 (5.0) | 0.729 |
| Troponin I (day 1) (µg/L)‡ | 3.4 (1.8-6.4) | 5.3 (3.0-14.3) | 3.1 (1.6-5.8) | <0.001§ |
| Respiratory complications | ||||
| Atelectasis | 76 (34.2) | 31 (49.2) | 45 (28.3) | <0.001 |
| Pneumonia | 20 (9.0) | 13 (20.6) | 7 (4.4) | <0.001 |
| Ventilation >24 h | 95 (42.8) | 44 (69.8) | 51 (32.1) | <0.001 |
| Renal dysfunction | ||||
| Reduction in GFR >25% | 44 (19.8) | 20 (31.8) | 24 (15.1) | 0.005 |
| Surgical complications | ||||
| Bleeding | 38 (17.1) | 16 (25.4) | 22 (13.8) | 0.039 |
| Need for redo surgery | 17 (7.7) | 7 (6.3) | 10 (11.1) | 0.771 |
| Length of stay (days) | ||||
| ICU‡ | 3 (2-5) | 5 (3-11) | 3 (2-4) | <0.001§ |
| Hospital‡ | 15 (12-21) | 20 (15-27) | 14 (11-17) | <0.001§ |
Data given as n (%) unless otherwise indicated. Chi-squared tests were used for statistical tests unless otherwise indicated. ‡Data given as median (range), §Wilcoxon rank sum test, °Fisher’s exact test. PCVD: Postcardiotomy ventricular dysfunction, CABG: Coronary artery bypass surgery, AVR: Aortic valve replacement, GFR: Glomerular filtration rate, ICU: Intensive Care Unit