Table 2.
Intraoperative and postoperative results.
| Matched Cohort (n = 605) | |||
|---|---|---|---|
| Variable | Prescriptive Circuit (n = 204) | Conventional Circuit (n = 401) | p-Value* |
| CABG | 102 (50%) | 207 (52%) | .7061 |
| Valve | 80 (39%) | 154 (38%) | .8463 |
| Aortic | 47 (23%) | 85 (21%) | .6040 |
| Other | 6 (3%) | 12 (3%) | .9720 |
| Multiple procedures | 30 (15%) | 56 (14%) | .8052 |
| del Nido | 101 (50%) | 128 (32%) | <.0001* |
| ECMO | 6 (3%) | 7 (2%) | .3377 |
| IABP | 7 (3%) | 36 (9%) | .0121* |
| Re-operation | 26 (13%) | 46 (11%) | .6474 |
| CPB time (min) | 123 (±56.1) | 120 (±48.9) | .6376 |
| Cross-clamp (min) | 77 (±35.6) | 78.3 (±34.3) | .5642 |
| CA time (min) | 4.1 (±10.1) | 4.0 (±10.7) | .6988 |
| Lowest temperature (°C) | 30.2 (±5.7) | 30.3 (±5.6) | .9705 |
| Starting prime volume (cc) | 1,084 (±141) | 1799 (±103) | <.0001* |
| Total prime volume (cc) | 725 (±349) | 1,182 (±382) | <.0001* |
| RAP (cc) | 419 (±316) | 649 (±349) | <.0001* |
| Crystalloid (cc) | 551 (±847.32) | 114 (±586) | <.0001* |
| Fluid balance CPB (cc) | 933 (±1,221) | 940 (±1,003) | .9502 |
| del Nido volume (cc) | 1,295 (±425) | 377 (±629) | <.0001* |
| Ultrafiltrate (cc) | 872 (±1,041) | 646 (±1,131) | <.0001* |
| Urine output CPB (cc) | 286 (±343) | 262 (±201) | .5423 |
| Ventilator (min) | 1,187 (±3,144) | 2030 (6,148) | .9604 |
| LOS postop (days) | 9.9 (±8.8) | 10 (±7.) | .3931 |
| SCr day 1 | 1.2 (±.77) | 1.6 (±1.4) | <.0001* |
CABG, coronary artery bypass graft; CA, circulatory arrest; ECMO, extracorporeal membrane oxygenation; RAP, reverse autologous prime; LOS, length of stay.
*
Statistical significance. Data are given in mean ± SD.