Extended high cut-off haemodialysis for myeloma cast nephropathy in Auckland, 2008–2012

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Myeloma cast nephropathy contributes to high morbidity and early mortality associated with the development of end-stage renal disease. Treatment with extended high cut-off haemodialysis coupled with novel anti-myeloma therapies enables significant reduction of serum-free light chains and has been shown to improve renal outcomes. In this case series, medical records of 6 patients who received high cut-off haemodialysis for biopsy-proven cast nephropathy were retrospectively reviewed. Patients received a total of 344 hours of high cut-off haemodialysis and concurrent chemotherapy. Only 50% became dialysis independent following treatment. One patient who achieved sustained remission remained dialysis dependent. The added benefit of high cut-off haemodialysis in the light of novel anti-myeloma therapies requires further evaluation.

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