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Table 2 Characteristics of dialysis catheters in the matched cohort

From: Guidewire exchange vs new site placement for temporary dialysis catheter insertion in ICU patients: is there a greater risk of colonization or dysfunction?

 

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

  1. 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