What is the prevalence of beta-2-microglobulin (beta-2m) amyloidosis?

Updated: Nov 14, 2019
  • Author: Anita Basu, MD, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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The incidence of DRA in the United States is not known; however, past studies have suggested an incidence of greater than 95% in patients who have been on dialysis for more than 15 years.

Some European studies have suggested that DRA can be seen in as many as 20% of patients after 2-4 years of HD and in 100% after 13 years of HD. Again, however, the overall incidence and prevalence of beta-2m amyloidosis are not clear. Moreover, most studies have focused on HD-associated amyloidosis and were performed before high-flux dialyzer use became commonplace.

There is some mention in the literature that the incidence and prevalence of beta-2m amyloidosis are less in CAPD than in HD (because of residual renal function). Other studies, however, suggest that there is no significant difference in incidence or prevalence. [8]

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