Intensive treatment of renal failure in patients with myeloma

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Abstract
We have reviewed our experience in the management of myeloma patients who present with features of severe renal impairment, to examine the role of intensive treatment of the renal failure, and to assess the role of renal biopsy. Between March 1983 and August 1991, 16 patients, who were subsequently diagnosed as having myeloma, presented to the Department of Renal Medicine for investigation of renal failure; nine with symptoms of uraemia and seven with pneumonia, bone pain, emphysema, or ischaemic heart disease. Renal biopsy was performed on 14 patients. Eleven patients had myeloma cast nephropathy, two of whom had concurrent hypertensive nephropathy, two patients had light chain deposition disease, and one patient had interstitial nephritis. Renal function improved in six patients with aggressive rehydration, but three of them subsequently required dialysis. In all 11 patients required dialysis, two short-term and nine long-term. Seven patients were given conventional melphalan and prednisolone and nine patients received VAMP as induction cytotoxic chemotherapy. Five of the VAMP sub-group received interferon alpha 2b as maintenance therapy. The median renal survival was five months (range 0-36 months) and median overall survival was 20 months (range 1-54 months). We conclude that intensive treatment, including dialysis, in myeloma patients with renal failure may result in survival durations approaching those of unselected myeloma patients, and a significant proportion will enjoy a reasonable quality of life.