Table 2.
Treatment modalities for low-flow CO 2 removal integrated into the RRT circuit
|
No. |
Double-lumen catheter |
Blood flow (ml/min) |
Dialysate flow (L/h) |
Ultrafiltration (ml/h) |
Volume (ml) |
Gas flow (L/min) |
Oxy FiO
2
(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 |
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.