Presentation and survival of patients with severe renal failure and myeloma

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Abstract
We reviewed the clinical features and outcome of 56 patients with myeloma and severe renal failure managed in a single institution over a 15-year period. Renal failure was recognized within 2 months of the diagnosis of myeloma in 75% of patients, and was the initial presentation of myeloma in 50%. Patients were staged by the Durie and Salmon classification. Light-chain and IgD myeloma accounted for 46% of cases, and Bence-Jones proteinuria was identified in >90%. In 43%, a potential precipitant of renal failure was identified, usually hypercalcaemia or a non-steroidal anti-inflammatory agent. A preserved corrected calcium at presentation was characteristic (2.40 ± 0.15 mmol/l, n = 42), even after excluding those with hypercalcaemia requiring specific intervention (n = 14, 2.76 ± 0.51; p 1 year. Hypo-albuminaemia and reduced platelet count at presentation were associated with reduced survival, but hypercalcaemia, infection, dialysis (urgent or long-term), and dialysis modality were not. Chemotherapy was associated with increased survival, but progression of myeloma and infection were the two most frequent causes of death. Severe renal failure was associated with advanced myeloma stage and light-chain/IgD paraproteinaemia. Survival was related to severity of myeloma and not requirement for dialysis per se.

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