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  • Journal article
    Pusey CD, Connor TM, Aiello V, Griffith M, Cairns T, Roufosse CH, Cook HTet al.,

    The natural history of IgM nephropathy in adults

    , Nephrology Dialysis Transplantation, ISSN: 1460-2385

    Background: Immunoglobulin M (IgM) nephropathy is an idiopathic glomerulonephritis characterised by diffuse mesangial deposition of IgM. IgM nephropathy has been a controversial diagnosis since it was first reported, and there are few data identifying specific pathological features that predict risk of progression of renal disease.Methods: We identified 57 cases of IgM nephropathy among 3220 adults undergoing renal biopsy at our institution. Biopsies had to satisfy the following three criteria to meet the definition of IgM nephropathy in this study: (1) dominant mesangial staining for IgM, (2) mesangial deposits on EM, (3) exclusion of systemic disease.Results: The median age was 42 years and 24 patients were male. 39% of patients presented with the nephrotic syndrome, 49% patients presented with non-nephrotic proteinuria, and 39% had eGFR <60 ml/min. Median post-biopsy follow-up was 40 months and serum creatinine had doubled in 31% by 5 years. Of histological parameters, glomerular sclerosis and tubular atrophy, but not mesangial proliferation, were risk factors for renal insufficiency. 39% of nephrotic patients achieved complete remission, and outcome was significantly worse in those who did not respond to treatment. FSGS was diagnosed in 80% of those undergoing repeat renal biopsy, despite ongoing mesangial IgM deposition. Conclusions: We propose criteria for a consensus definition of IgM nephropathy.

  • Journal article
    Salama A, Ryba M, Levy J, Gaskin G, Pusey Cet al.,

    Long-term outcome of patients with severe ANCA associated vasculitis treated with plasmapheresis

    , CLINICAL AND EXPERIMENTAL RHEUMATOLOGY, Vol: 25, Pages: S118-S118, ISSN: 0392-856X
  • Journal article
    Salama A, Pusey C, Jayne D, Mosley Ket al.,

    ABAVAS: A trial of CTLA4Ig in ANCA vasculitis

    , CLINICAL AND EXPERIMENTAL RHEUMATOLOGY, Vol: 25, Pages: S114-S114, ISSN: 0392-856X

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