A pilot randomised controlled comparison of continuous veno–venous haemofiltration and extended daily dialysis with filtration: effect on small solutes and acid–base balance
- Ian Baldwin,
- Toshio Naka,
- Bill Koch,
- Nigel Fealy,
- Rinaldo Bellomo
- … show all 5 hide
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Background and aims
Continuous veno–venous haemofiltration (CVVH) is an established treatment for acute renal failure (ARF). Recently, extended intermittent dialytic techniques have been proposed for the treatment of ARF. The aim of this study was to compare these two approaches.
Setting
Intensive care unit of tertiary hospital.
Subjects
Sixteen critically ill patients with ARF.
Design
Randomised controlled trial.
Intervention
We randomised sixteen patients to three consecutive days of treatment with either CVVH (8) or extended daily dialysis with filtration (EDDf) (8) and compared small-solute, electrolyte and acid–base control.
Results
There was no significant difference between the two therapies for urea or creatinine levels over 3 days. Of 80 electrolyte measurements taken before treatment, 19 were abnormal. All values were corrected as a result of treatment, except for one patient in the CVVH group who developed hypophosphataemia (0.54 mmol/l) at 72 h. After 3 days of treatment, there was a mild but persistent metabolic acidosis in the EDDf group compared to the CVVH group (median bicarbonate: 20 mmol/l vs. 29 mmol/l: p = 0.039; median base deficit: –4 mEq/l vs. –2.1 mEq/l, p = 0.033).
Conclusions
CVVH and EDDf as prescribed achieved similar control of urea, creatinine and electrolytes. Acidosis was better controlled with CVVH.
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- Title
- A pilot randomised controlled comparison of continuous veno–venous haemofiltration and extended daily dialysis with filtration: effect on small solutes and acid–base balance
- Journal
-
Intensive Care Medicine
Volume 33, Issue 5 , pp 830-835
- Cover Date
- 2007-05-01
- DOI
- 10.1007/s00134-007-0596-0
- Print ISSN
- 0342-4642
- Online ISSN
- 1432-1238
- Publisher
- Springer-Verlag
- Additional Links
- Topics
- Keywords
-
- CRRT
- Daily dialysis
- Intensive care
- ARF
- Haemofiltration
- SLEDD
- Industry Sectors
- Authors
-
- Ian Baldwin (1) (2)
- Toshio Naka (3)
- Bill Koch (2)
- Nigel Fealy (3)
- Rinaldo Bellomo (3)
- Author Affiliations
-
- 1. Department of Intensive Care, Austin Health, 3084, Heidelberg, Australia
- 2. School of Nursing and Midwifery, Department of Gerontic Nursing, La Trobe University, Melbourne, Australia
- 3. Department of Intensive Care, Austin Hospital, Melbourne, Australia