Non-tunneled versus tunneled dialysis catheters for acute kidney injury requiring renal replacement therapy: a prospective cohort study

Table 2 Renal replacement therapy delivery parameters in non-tunneled versus tunneled dialysis catheters used for AKI requiring renal replacement therapy

	Adjusted analyses^b
RRT Delivery Parameter	NTDC (n = 140)^a	TDC (n = 80)^a	p-value
CVVH
Blood flow ml/min, mean ± SE	242.8 ± 4.9	246.3 ± 6.2	0.44
Median venous access pressure, mean ± SE	87.9 ± 7.4	121.1 ± 9.7	<0.001
Median arterial access pressure, mean ± SE	58.3 ± 6.4	80.3 ± 8.2	<0.001
Hours of CVVH, mean ± SE	17.8 ± 1.2	17.9 ± 1.5	0.91
BUN, mean ± SE	59.8 ± 9.5	58.6 ± 11.0	0.86
Rate Ratio of interruptions per catheter^c	2.7 (1.7–4.3)	1 (ref)	<0.001
IHD
Blood flow ml/min, mean ± SE	319.0 ± 12.8	368.2 ± 13.0	<0.001
Median venous pressure, mean ± SE	84.6 ± 8.9	145.1 ± 9.1	<0.001
Median arterial pressure, mean ± SE	108.3 ± 10.5	179.3 ± 10.7	<0.001

BUN Blood urea nitrogen; CVVH Continuous veno-venous hemofiltration; IHD Intermittent hemodialysis; NTDC Non-tunneled dialysis catheter; RRT Renal replacement therapy; SE Standard error; TDC Tunneled dialysis catheter
^aNumber of catheters
^bAdjusted for ATN risk score, history of chronic kidney disease, renal team and AKI cause (ATN vs others)
^cFrom mixed effect models

ISSN: 1471-2369