PMID: 29775444May 19, 2018Paper

Influence of intensity, localization and type of deposits in renal biopsy for disease symptoms and follow up in children with IgA nephropathy

Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego
K Cichoń-KawaM Pańczyk-Tomaszewska

Abstract

IgA nephropathy is the most common glomerulonephritis in the world. For diagnosis kidney biopsy is necessary. The aim of the study was assessment the significance of IgA, C3 and IgG deposits intensity and location in kidney childhood IgA nephropathy (IgAN) for the symptoms of the disease and the follow up. Study population consisted of 81 children, average 11,45±3,99 years. IgAN was recognized based on renal biopsy, performed 1,2±1,84, median 0,5 years after the onset. We used Oxford classification (OC) to assess the severity of histopatological lesions. In renal biopsy IgA and C3 deposits were found in immunofluorescence in mesangium or in vessels of glomeruli or both, and intensity was defined 0 to +4. We analyzed: proteinuria (mg/kg/day), hematuria, creatinine, GFR (according to Schwartz formula) two times, at the onset of the disease (OOD) and at the follow up (FU). Patients were treated with: ACEI/ARB or steroids alone or with imunossupresion drugs: azathioprine (AZA), cyclophosphamide (CYC), cyclosporine A (CsA), mycopnenolate mophetil (MMF). The follow up was 3,31±2,88 years. We divided the patients into two groups, depending on the intensity of IgA deposits: G1 n=29 (+1/+2), G2 n=52 (+3/+4); depending on the localizatio...Continue Reading

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