|
Outcome variables in the two groups |
||||
| Variable |
Control group |
MICPB group |
P value |
|
|
|
||||
| n = 1,663 |
n = 1,663 |
|||
|
|
||||
| Mechanical ventilation time (hours) |
20.2 ± 79 |
17.3 ± 38 |
NS |
|
| ICU stay (days) |
2.9 ± 4.3 |
2.5 ± 3.1 |
0.001 |
|
| Postoperative hospital stay (days) |
8.4 ± 5.9 |
8.1 ± 6.2 |
NS |
|
| Peak serum creatinine level (mg/dl) |
1.43 ± 0.7 |
1.24 ± 1 |
0.001 |
|
| Peak serum bilirubin level (mg/dl) |
1.07 ± 0.79 |
0.89 ± 0.71 |
0.001 |
|
| Bleeding (ml/12 hours) |
505 ± 396 |
458 ± 342 |
0.001 |
|
|
|
||||
| Variable |
Count (percentage) |
Count (percentage) |
RR and 95% CI |
P value |
|
|
||||
| Early extubation |
139 (8.3) |
197 (11.8) |
1.47 (1.17–1.85) |
0.001 |
| Early ICU discharge |
307 (18.4) |
556 (33.4) |
2.21 (1.89–2.6) |
0.001 |
| Early hospital discharge |
187 (11.2) |
316 (19) |
1.85 (1.52–2.25) |
0.001 |
| Homologous blood transfusions |
751 (45.1) |
764 (45.9) |
1.03 (0.9–1.18) |
NS |
| Surgical reoperation |
79 (4.7) |
64 (3.8) |
0.8 (0.57–1.12) |
NS |
| Myocardial infarction |
58 (3.5) |
47 (2.8) |
0.8 (0.54–1.19) |
NS |
| Major inotropic support |
177 (10.6) |
170 (10) |
0.95 (0.76–1.19) |
NS |
| Intra-aortic balloon pump |
49 (2.9) |
28 (1.7) |
0.56 (0.35–0.9) |
0.015 |
| Atrial fibrillation |
293 (17.6) |
251 (15.1) |
0.83 (0.69–0.99) |
0.049 |
| Ventricular arrhythmias |
59 (3.5) |
26 (1.5) |
0.43 (0.27–0.69) |
0.001 |
| Cardiac arrest |
19 (1.1) |
3 (0.2) |
0.15 (0.04–0.53) |
0.001 |
| Acute renal failure |
39 (2.3) |
38 (2.3) |
0.97 (0.62–1.53) |
NS |
| Stroke |
10 (0.6) |
14 (0.8) |
1.4 (0.62–3.16) |
NS |
| Peripheral thromboembolism |
6 (0.4) |
0 (0) |
- |
0.014 |
| Severe lung dysfunction |
22 (1.3) |
14 (0.8) |
0.63 (0.32–1.24) |
NS |
| Sepsis |
10 (0.6) |
14 (0.8) |
1.4 (0.62–3.16) |
NS |
| Hospital mortality |
55 (3.3) |
50 (3) |
0.9 (0.61–1.33) |
NS |
|
CI, confidence interval; ICU, intensive care unit; MICPB, minimally invasive cardiopulmonary bypass; NS, not significant; RR, relative risk. | ||||
Ranucci and Isgrò Critical Care 2007 11:R45 doi:10.1186/cc5777 |
||||