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  • Title: Membranous nephropathy associated with hepatitis B in Spanish children.
    Author: Peña A, Débora MJ, Melgosa M, Luz Picazo M, Navarro M.
    Journal: Clin Nephrol; 2001 Jan; 55(1):25-30. PubMed ID: 11200864.
    Abstract:
    AIM: To examine retrospectively long-term evolution and treatment of pediatric membranous nephropathy (MN) cases associated with hepatitis B (HB) in the hospital "La Paz". MATERIAL AND METHODS: The clinical records of 12 children diagnosed with HB-associated MN in our hospital between 1970 and 1996. RESULTS: All patients were positive for hepatitis B surface antigen (HBsAg); 6 were tested for hepatitis Be antigen (HBeAg) and were also positive. At onset, all of them had proteinuria (8 in nephrotic range), 6 had microscopic hematuria and 4 macroscopic hematuria. Seven of 8 children who started with a nephrotic syndrome received steroids and all of them were steroid-resistant. After 9.95 +/- 5.88 years of follow-up, renal function remained normal and proteinuria and hematuria have disappeared in all of them. A family study for hepatitis B was carried out in 8 cases and 7 of them were positive. Only in one case vertical transmission was demonstrated; this patient remained HBeAg positive. In 7 patients, hepatic biopsy was performed: 3 had a chronic active hepatitis, 3 a persistent chronic hepatitis and one a residual acute hepatitis. CONCLUSIONS: Membranous nephropathy is a rare pediatric disease in our area and most of the cases are related to hepatitis B (HB). The outcome was excellent with and without treatment but all of them remained HBsAg positive.
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