Albumin Dialysis

Albumin regeneration in liver support-comparison of different methods.

Ther Apher Dial. 2006 Apr;10(2):108-17.

Mitzner S, Klammt S, Stange J, Schmidt R.

Department of Medicine, University of Rostock, Rostock, Germany.

Albumin is the most abundant human plasma protein. Among many other functions it is an important transporter of hydrophobic internal and external substances such as intermediate and end products of metabolism and drugs. In liver failure the albumin binding capacity is decreased because of a disproportion between available albumin molecules caused by decreased hepatic synthesis and hydrophobic toxins because of decreased hepatic clearance.

The resulting increase in plasma and tissue concentrations of these substances is associated with multiple organ dysfunctions frequently seen in severe liver failure. The scope of the present article is to compare different liver support strategies with regard to their ability to regenerate the patients albumin pool by removing albumin-bound toxins. Most prominent technique in this group is the molecular adsorbent recirculating system (MARS). It will be compared with single pass albumin dialysis (SPAD), fractionated plasma separation and adsorption system (FPSA, Prometheus), and plasma perfusion/bilirubin adsorption with special regard to efficacy and selectivity.

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