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 ORIGINAL ARTICLE
Year : 2017  |  Volume : 27  |  Issue : 6  |  Page : 435-439

IgA-dominant infection-related glomerulonephritis in India: A single-center experience


Department of Nephrology, Rajiv Gandhi Government General Hospital, Madras Medical College, Chennai, Tamil Nadu, India

Correspondence Address:
J Dhanapriya
Department of Nephrology, Rajiv Gandhi Government General Hospital, Madras Medical College, Chennai, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijn.IJN_337_16

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IgA-dominant infection-related glomerulonephritis (IRGN) is a distinct morphologic variant of IRGN, characterized by dominant or codominant glomerular deposits of IgA, mostly in elderly and patients with diabetes. More cases are being reported in recent times due to increased awareness of the disease entity and increased rate of Staphylococcus infection. It usually presents as rapidly progressive renal failure with proteinuria, and treatment guidelines for this disease entity are not well defined. We report here 12 cases of IgA-dominant IRGN seen over a period of 5 years from a single center. Clinical features, biopsy findings, treatment, and outcomes were analyzed. Out of 12 patients, eight were males. The mean age of presentation was 52.4 ± 21 years. Skin was the most common site of infection seen in six patients. Gross hematuria was seen in 4 patients and 11 had nephrotic proteinuria. Eleven had low serum C3. Only two patients had diabetes. Methicillin-resistant Staphylococcus aureus (MRSA) was the most common organism isolated in six patients. Most common histopathology was crescentic glomerulonephritis seen in seven patients, followed by endocapillary proliferation in three and diffuse proliferative glomerulonephritis in two. Hemodialysis was done in eight patients and six patients received steroid therapy. End-stage renal disease developed in three patients, chronic kidney disease in three, and three patients died due to sepsis. Various infections including MRSA and Escherichia coli were associated with IgA-dominant IRGN both in patients with diabetes and nondiabetics. Suspicion and recognition of the disease is important as it has therapeutic and prognostic implications.






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Indian Journal of Nephrology
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Online since 20th Sept '07