Effect of hemodialysis membranes on β2-microglobulin amyloidosis

Majd I. Jaradat, Sharon M. Moe

Research output: Contribution to journalArticle

18 Scopus citations


Early after the identification of β2-microglobulin amyloidosis (Aβ2M) as the cause of carpal tunnel syndrome, it was thought that hemodialysis was a major cause in the development of the disease. It was subsequently shown that hemodialysis was not necessary for the development of dialysis-related amyloidosis; however, it was believed that the different dialysis membranes did modulate the progression of the disease. Current data demonstrate that hemodialysis fails to prevent or reverse the disease, but there is substantial evidence that high-flux, high-efficiency dialyzers slow its progression. Many factors related to hemodialysis have been evaluated in relation to Aβ2M, including the effect of the bioincompatibility of the membrane, the capacity of the different membranes to remove β2M, and the effect of reuse on β2M levels. Moreover, there have been intensive efforts to evaluate, explore, and improve the different mechanisms in β2M removal, with adsorption as a promising prospect. With the available evidence, it seems that the removal of β2M by the membrane plays the most important role in modulating the disease outcome and rate of progression, although a large, longterm, multicentered and randomized study is still lacking to prove this relationship. However, it is possible that with the continuing advances in optimizing the β2M removal efficiency of the different membranes, the frequency and severity of the disease can be substantially decreased.

Original languageEnglish (US)
Pages (from-to)107-112
Number of pages6
JournalSeminars in Dialysis
Issue number2
StatePublished - Dec 1 2001

ASJC Scopus subject areas

  • Nephrology

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