Table 2.
Characteristics of dialysis catheters in the matched cohort
| GWE | VPI | P value | |
|---|---|---|---|
| (n = 178) | (n = 178) | ||
| Days from ICU admission | |||
| to DC placement, median (IQR) | 4 (2–10) | 3.5 (1–9) | 0.03 |
| MV at DC insertion, n (%) | 134 (75.3) | 133 (74.7) | 0.90 |
| Catecholamine at DC insertion, n (%) | 104 (58.4) | 117 (65.7) | 0.16 |
| Presence of another catheter | |||
| at the time of insertion, n (%) | 169 (94.9) | 166 (93.3) | 0.5 |
| First DC placement, n (%) | 39 (21.9) | 130 (73) | <0.01 |
| Rank of DC placement, median (IQR) | 2 (2–2) | 1 (1–2) | <0.01 |
| Insertion site, n (%) | |||
| Internal jugular | 49 (27.5) | 49 (27.5) | 1.00 |
| Femoral | 129 (72.5) | 129 (72.5) | 1.00 |
| Right side | 110 (61.8) | 113 (63.8) | 0.74 |
| Experience of the operator | |||
| <50 procedures, n (%) | 135 (75.8) | 127 (71.8) | 0.18 |
| Alcohol-based skin antiseptic solution, n (%) | |||
| 5 % povidone-iodine, 70 % ethanol | 82 (46.1) | 79 (44.4) | 0.75 |
| 0.5 % chlorhexidine, 67 % ethanol | 93 (52.2) | 95 (53.4) | 0.83 |
| Systemic antimicrobials | |||
| at catheter insertion, n (%) | 149 (83.7) | 151 (84.8) | 0.77 |
| DC use, n (%) | |||
| No RRT/PE performed | 7 (3.9) | 8 (4.5) | - |
| PE only | 9 (5.1) | 6 (3.4) | - |
| RRT only | 158 (88.8) | 164 (92.1) | 0.19 |
| Both PE/RRT | 4 (2.2) | 0 (0) | - |
| Reason for DC removal, n (%) | |||
| DC dysfunction | 67 (37.6) | 28 (15.7) | <0.01 |
| Suspected DC infection | 20 (11.2) | 14 (7.9) | - |
| DC no longer needed | 40 (22.5) | 58 (32.6) | - |
| Death of the patient | 28 (15.7) | 50 (28.1) | - |
| Other reasons | 23 (12.9) | 28 (15.7) | - |
| DC use duration, days, median (IQR) | 4 (2–7) | 5 (2–8) | <0.01 |
| DC days, n | 922 | 937 | |
| DC tip culture performed at removal, n (%) | 154 (86.5) | 140 (78.7) | |
| DC-related colonization, n (%) | 10 (5.6) | 10 (5.6) | 1.00 |
DC dialysis catheter, GWE guidewire exchange, ICU intensive care unit, IQR interquartile range, CRRT continuous renal replacement therapy, IHD intermittent haemodialysis, MV invasive mechanical ventilation, NIV non-invasive ventilation, PE plasma exchange, RRT renal replacement therapy, SAPS simplified acute physiology score, SOFA sequential organ failure assessment, VPI venipuncture insertion