Table 2.
Details of the dialysis treatments for the patients with SA-AKI studied
| Characteristic features | SLED group (n = 31) | CRRT group (n = 22) | Total (n = 53) | p-value |
|---|---|---|---|---|
| *Main indications for dialysis | 0.34 | |||
| Pulmonary edema | 18 (58.1%) | 6 (27.3%) | 24 (45.3%) | |
| Urea levels > 250 mg/dL | 14 (45.2%) | 8 (36.4%) | 22 (41.5%) | |
| Severe metabolic acidosis | 8 (25.8%) | 10 (45.5%) | 18 (34%) | |
| Anuria | 10 (32.3%) | 6 (27.3%) | 16 (30.2%) | |
| Resistant hyperkalemia | 4 (12.9%) | 4 (18.2%) | 8 (15.1%) | |
| Delivered dialysis therapy | ||||
| Total number of sessions delivered | 91 (72.8%) | 34 (27.2%) | 125 (100%) | <0.001 |
| Mean dialysis duration (hour/session) | 6.9 ± 1.6 | 41.6 ± 6.9 | – | <0.001 |
| Mean blood flow (mL/minute) | 209.4 ± 32.7 | 98.3 ± 51.2 | – | <0.001 |
| Mean dialysate flow (mL/minute) | 218.4 ± 31.8 | – | – | – |
| Mean effluent flow (m/kg/hour) | – | 26.4 ± 13.2 | – | – |
| Mean net ultrafiltration (L/session) | 1.4 ± 0.7 | 3.5 ± 0.9 | – | <0.001 |
| Heparin anticoagulation given | 29 (93.5%) | 21 (95.5%) | 50 (94.3%) | 0.77 |
| *Dialysis complications necessitated withholding of therapy | 0.19 | |||
| Persistent hypotension | 16 (51.6%) | 12 (54.5%) | 28 (52.8%) | |
| Persistent hypoglycemia | 10 (32.3%) | 4 (18.2%) | 14 (26.4%) | |
| Cardiac arrest | 3 (9.7%) | 5 (22.7%) | 8 (15.1%) | |
| Cardiac arrhythmias | 1 (3.2%) | 3 (13.6%) | 4 (7.5%) | |
| Bleeding | 0 (0%) | 1 (4.5%) | 1 (1.9%) | |
| Recurrent hypokalemia | 0 (0%) | 2 (9.1%) | 2 (3.8%) |
Data are presented as means ± SD or n (%). *An overlap in these features does occur. CRRT, continuous renal replacement therapy; SLED, sustained low-efficiency dialysis