Table 1 Comparisons of the modified CPB system with the CCPB system
Parameters | CCPB system | Modified CPB system |
|---|---|---|
CPB tubing | Main pump tubing: 210 cm | Main pump tubing: 80 cm |
Venous tubing: 135 cm | Venous tubing: 110 cm | |
Arterial tubing: 120 cm | Arterial tubing: 100 cm | |
Tubing from the outlet of the oxygenator artery to the arterial line filter: 75 cm | Total length: 290 cm | |
Total length: 540 cm | Tubing diameter: approximately 10 mm (3/8 inch) | |
Tubing diameter: approximately 10 mm (3/8 inch) | Priming volume: 228 mL | |
Priming volume: 424 mL | ||
Oxygenator | Common oxygenator (RX25 type, Terumo) | Oxygenator integrating arterial line filter (FX25 type, Terumo) |
Position: 10 cm from the ground | Position: 80 cm from the ground | |
Priming volume: 250 mL | Priming volume: 260 mL | |
Arterial line filter | Separate type | Integrated type |
Priming volume: 180 mL | ||
Ultrafiltration circuit | Priming volume: 70 mL | Priming volume: 70 mL |
Venous reservoir | Priming volume: 576 mL | Priming volume: 192 mL |
Assist device | – | VAVD device |
Assist operation | ||
Retrograde autologous priming method | – | Yes (discharging 100 mL of priming solution) |
CO2 flush procedure | – | Yes |
Cardioplegia perfusion | Single HTK solutions perfusion | Single HTK solutions perfusion |
Total priming volume | 1500 mL | 650 mL |