Richard Sibley

Publication Details

  • Clinicopathologic correlates predict the outcome in children with steroid-resistant idiopathic nephrotic syndrome treated with pulse methylprednisolone therapy AMERICAN JOURNAL OF KIDNEY DISEASES Kirpekar, R., Yorgin, P. D., Tune, B. M., Kim, M. K., Sibley, R. K. 2002; 39 (6): 1143-1152

    Abstract:

    Although pulse methylprednisolone therapy (PMT) has been used successfully in the management of children with steroid-resistant nephrotic syndrome (SRNS), the relationship between initial presenting findings and renal histological characteristics to the subsequent clinical response to PMT is unknown. A retrospective analysis was conducted in a study cohort of 42 children (30 boys, 12 girls; mean age, 7.4 +/- 4.7 years) with SRNS administered PMT between June 1976 and July 1994 at Stanford University (Stanford, CA). Four diagnostic categories were created: group I, minimal change disease with or without mesangial hypercellularity (n = 10); group II, mesangial proliferation (n = 7); group III, focal segmental glomerulosclerosis (FSGS) with or without mesangial hypercellularity (n = 10); and group IV, FSGS plus mesangial proliferation (n = 15). Primary variables analyzed were remission in response to PMT with or without alkylating agent therapy and end-stage renal disease (ESRD). Remission rates were best in group I (90%) and worst in group IV (46%). With the exception of hematuria, presenting clinical features did not correlate with outcome. Segmental sclerosis, glomerular adhesion to Bowman's capsule, epithelial sloughing, corona (segmental scar surrounded by visceral epithelial cells), subepithelial deposits, inflammatory cells, and percentage of interstitium, immunoglobulin M (IgM), IgG, and C3 deposition univariately correlated with ESRD in univariate analysis. In a multivariate logistic regression model, only segmental sclerosis (P = 0.008) correlated with ESRD. Histological analysis is important because it identifies features, including segmental sclerosis, that portend a poor prognosis in children with SRNS.

    View details for DOI 10.1053/ajkd.2002.33382

    View details for Web of Science ID 000176399600003

    View details for PubMedID 12046024

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