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  • Title: Outcome of Henoch-Schoenlein nephritis with nephrotic-range proteinuria.
    Author: Ronkainen J, Ala-Houhala M, Huttunen NP, Jahnukainen T, Koskimies O, Ormälä T, Nuutinen M.
    Journal: Clin Nephrol; 2003 Aug; 60(2):80-4. PubMed ID: 12940608.
    Abstract:
    PATIENTS AND METHODS: All children with Henoch-Schoenlein glomerulonephritis (HSP-GN) and nephrotic-range proteinuria (> 40 mg/h/m2), treated at 5 university hospitals and in 1 central hospital in Finland during in 1990-1997, were analyzed retrospectively. The mean age of these 19 patients (8 girls, 11 boys) at the time of diagnosis was 9.9 years (range 4.6-15.1 years). A renal biopsy had been performed in all cases, giving findings according to the classification used in the International Study of Kidney Diseases in Children (ISKDC) of grade II (4 patients), grade III (10), grade IV (4) and grade V (1). Six patients underwent a second biopsy. RESULTS: The yearly incidence of nephrotic-range HSP-GN in Finland was 2 per 1 million children under 15 years of age. After a mean follow-up of 4.6 years (range 9 months-9.1 years), 3 patients (15.7%) had no signs of nephritis, 11 (57.9%) had proteinuria < 1 g/day or microscopic hematuria, 2 (10.5%) had proteinuria > 1 g/day, and 3 (15.7%) had developed ESRD or uremia. 47% of the patients needed medication for proteinuria at the time of the latest follow-up. The first kidney biopsy did not predict the outcome of HSP-GN, since all the patients with the poorest outcome had only ISKDC II-III findings in their first biopsy. CONCLUSION: According to our series, the morbidity in cases of HSP-GN with nephrotic-range proteinuria is high and a close clinical follow-up is needed. The treatment of HSP-GN patients should be based on the clinical presentation rather than on the biopsy findings.
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