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  • Title: Initial treatment with pulse methylprednisolone followed by short-term prednisolone and tonsillectomy for childhood IgA nephropathy.
    Author: Yamada A, Fujinaga S, Sakuraya K, Satoshi A, Hirano D.
    Journal: Clin Exp Nephrol; 2018 Oct; 22(5):1143-1149. PubMed ID: 29520517.
    Abstract:
    BACKGROUND: Although a combination therapy, comprising 2-year high-dose oral prednisolone (PSL), is effective for treating childhood immunoglobulin A nephropathy (IgAN), severe adverse effects and residual proteinuria occur in some patients after the therapy. METHODS: To clarify the efficacy of intravenous pulse methylprednisolone (IVMP; 15-20 mg/kg; maximum 600 mg/day; for 3 consecutive days/week for 3 weeks) followed by short-term reduced-dose PSL (initially 1 mg/kg; maximum 30 mg on alternate days; tapered off within approximately 12 months) and tonsillectomy as an initial treatment, we retrospectively reviewed the clinical courses of 54 consecutive children with IgAN (32 boys; mean age at onset, 12.2 years; follow-up period of > 2 years) after initiating the treatment. According to the Japanese pediatric IgAN guidelines, we divided the 54 patients into the following two groups: group 1, comprising 24 patients with severe IgAN, and group 2, comprising 30 patients with mild IgAN. RESULTS: After the treatment, proteinuria disappeared in all patients at a median of 1.6 months (group 1, 2.8 months; group 2, 0.4 months) and hematuria disappeared in 47 patients (87%) at a median of 13.2 months (group 1, 15.9 months; group 2, 13.2 months). During the follow-up period (median 5 years), no severe adverse effects were observed in any patient. At the last visit, although two patients (4%) had mild proteinuria, none developed hypertension or renal insufficiency. CONCLUSIONS: As an initial treatment, IVMP followed by short-term PSL and tonsillectomy appears to be effective for treating childhood IgAN.
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