Table 2 Variables related to renal replacement therapy during the ICU stay
From: Daily urinary urea excretion to guide intermittent hemodialysis weaning in critically ill patients
Variables | All patients (n = 67) | Unweaned (n = 30) | Weaned (n = 37) | P value |
|---|---|---|---|---|
Duration of RRT, days | 11 (7–15) | 10 (7–15) | 11 (8–15) | 0.90 |
Patients treated with CRRT, n (%) | 20 (30) | 7 (23) | 13 (35) | 0.05 |
Duration of CRRT, days | 5 (2–7) | 3 (3–6.5) | 5 (2–7) | 0.90 |
Patients treated with hemofiltrationa, n (%) | 9 (13) | 3 (10) | 6 (16) | 0.46 |
Patients treated with hemodiafiltrationb, n (%) | 11 (16) | 4 (13) | 7 (19) | 0.54 |
Prescribed total effluent flow of CRRTc, ml/kg/day | 45.7 (44.4–47.0) | 42.8 (42.0–43.6) | 46.5 (45.3–48.5) | 0.23 |
Blood flow of CRRT, ml/minute | 200 (200–200) | 200 (200–200) | 200 (200–200) | 0.34 |
IHD sessions during ICU stay, n | 7 (5–10) | 7 (5–9) | 7 (5–10) | 0.47 |
Duration of IHD session, h | 4.1 (3.7–4.6) | 4.0 (3.8–4.5) | 4.2 (3.5–4.6) | 0.88 |
IHD sessions per week, n | 5.5 (4.4–6.2) | 5.0 (4.4–6.1) | 5.8 (4.4–6.4) | 0.29 |
Blood flow of IHD, ml/minute | 214 (200–240) | 233 (208–250) | 209 (200–217) | 0.01 |
Dialysate flow, ml/minute | 540 (500–586) | 530 (500–571) | 545 (500–596) | 0.52 |
K∙t/V/IHD sessiond | 0.91 (0.73–1.09) | 0.82 (0.71–1.08) | 0.95 (0.76–1.09) | 0.83 |
Net ultrafiltration, L/h | 0.25 (0.18–0.38) | 0.24 (0.18–0.38) | 0.27 (0.18–0.38) | 0.66 |
Percentage of IHD sessions with hypotensione | 16.6 (0.00–25.0) | 16.6 (0.00–24.0) | 15.5 (0.00–27.7) | 0.60 |