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Table 2 Treatment modalities for low-flow CO 2 removal integrated into the RRT circuit

From: Low-flow CO2removal integrated into a renal-replacement circuit can reduce acidosis and decrease vasopressor requirements

No. Double-lumen catheter Blood flow (ml/min) Dialysate flow (L/h) Ultrafiltration (ml/h) Volume (ml) Gas flow (L/min) Oxy FiO2(vol. %) Treatment time (hours)
   t = 4 h t = 24 h t = 4 h t = 24 h t = 4 h t = 24 h t = 24 h    
1 1 250 300 4.0 4.0 100 200 −645 6 1.00 30
2 1 330 400 2.0 2.0 200 0 −705 4 1.00 84
3 1 400 400 2.0 2.0 0 150 605 4 0.50 45
4 1 400 400 2.0 2.0 0 100 1,715 6 0.40 215
5 2 300a n.a. 2.0 a n.a. 100 a n.a. n.a. 6 0.21 2.5
6 1 500 450 3.0 3.0 0 100 1,340 6 0.21 191
7 1 320 250 2.0 2.0 100 150 −3,345 4 0.21 83
8 2 400 450 2.0 1.5 40 100 −2,055 6 0.21 71
9 1 400 500 2.0 2.0 0 0 180 6 0.21 92
10 1 250 250 2.0 2.0 50 0 2,945 4 0.21 134
  1. Patient 5 was switched to ECMO after 2.5 hours of treatment and was therefore not applicable at t = 4 hours and t = 24 hours. at = 2.5 hours. n.a., not applicable.