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Tomiyoshi, Y. et al.

Cellular crescents and segmental glomerular necrosis in IgA nephropathy are indicative of the beneficial effects of corticosteroid therapy.

OBJECTIVE: Recent reports have revealed that corticosteroid (PSL) therapy has a long-term beneficial effect for stabilization of renal function in progressive IgA nephropathy. PATIENTS AND METHODS: We analyzed serum creatinine (Cr), daily proteinuria and the results of other routine laboratory examinations during a short-term course of PSL therapy in 28 cases of progressive IgA nephropathy. The cases were divided into two groups according to changes in renal function during the PSL treatment period: group I (15 cases), improved renal function; group II (13 cases), no significant change in renal function. RESULTS: In group I, serum Cr and proteinuria were significantly decreased, with maximum effects observed at 3 months of PSL therapy, and remained low during the period of treatment. In contrast, group II showed no significant changes in serum Cr levels during the period of therapy, although proteinuria was transiently decreased after 3 months of therapy. Histologically, cellular/fibrocellular (C/F) crescents and/or segmental glomerular necrosis (SGN) occurred with a significantly higher incidence in group I (87%) than in group II (46%) (p < 0.05). CONCLUSIONS: These results suggested that the early response to PSL in reducing serum Cr and proteinuria by 3 months of treatment may be clinically useful to predict the prognosis of IgA nephropathy and that C/F crescents and/ or SGN may be histologically indicative of the beneficial effects of PSL therapy in IgA nephropathy.[1]

References

Cellular crescents and segmental glomerular necrosis in IgA nephropathy are indicative of the beneficial effects of corticosteroid therapy. Tomiyoshi, Y., Sakemi, T., Ikeda, Y., Ohtsuka, Y., Nakamura, M., Fujisaki, T. Intern. Med. (2001) [Pubmed]

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