Single Pass Albumin Dialysis – Dose finding study
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Artificial Organs accepted our paper „Single Pass Albumin Dialysis (SPAD) – A dose finding study to define optimal albumin concentration and dialysate flow“ for publication.  Authors are R.B. Schmuck, G.-H. Nawrot, P. Fikatas, A. Reutzel-Selke, J. Pratschke, and I.M. Sauer.

Aim of these studies was to define the optimal conditions for SPAD in a standardized experimental set-up. Albumin concentration was adjusted to either 1%, 2%, 3%, or 4%, while the flow rate of the dialysate was kept constant at a speed of 700 ml/h. The flow rate of the dialysate was altered between 350, 500, 700, and 1000 ml/h, whereas the albumin concentration was continuously kept at 3%. 

This study revealed that the detoxification of albumin bound substances could be improved by increasing the concentration of albumin in the dialysate with an optimum at 3%. A further increase of the albumin concentration to 4% did not lead to a significant increase in detoxification. Furthermore, we observed a gradual increase of the detoxification efficiency for albumin bound substances, from 350 ml/h to 700 ml/h (for bilirubin) or 1000 ml/h (for bile acids) of dialysate flow. Water-soluble toxins (ammonia, creatinine, urea, uric acid) were removed almost completely, regardless of albumin concentration or flow rate. 




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