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Outcome of lupus nephritis in Indian children

Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India pankajhari{at}hotmail.com

A Bagga

Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India

P Mahajan

Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India

A Dinda

Department of Pathology, All India Institute of Medical Sciences, New Delhi, India

We report the clinicopathological features, treatment and outcome of 54 Indian children (14 boys) with biopsy-proven lupus nephritis followed over a 10-year period. The mean age (SD) at onset of disease was 9.6 ± 2.6 (range 2.5–14.4) years. Twenty-six (48.1%) patients had class IV nephritis, 7 (13.0%) had class V, whereas class I, II and III nephritis were present in 3 (5.6%), 10 (18.5%) and 6 (11.1%) patients, respectively. Hypertension, haematuria and nephrotic range proteinuria were present in 30 (55.6%), 31 (57.4%) and 28 (51.8%) patients, respectively. Compared with all the other classes combined, there were more boys among patients with class IV nephritis, and hypertension, haematuria, nephrotic syndrome and decreased glomerular filtration rate at presentation were more common. The mean duration of follow-up was 3.1 ± 2.9 years (median 2.5, range 0.2–10.3 years). Of the 39 patients who were followed-up for at least 1 year, 33 (84.6%) were in complete or partial remission, whereas six (15.4%) had no response to therapy. The incidence of serious infection was 1.5 episodes per 10 patient-years. Nine patients died, of whom four had serious infections or septicaemia, and three developed end-stage renal failure (ESRF). The patient survival rate at 3 years and at last follow-up visit was 88% and 83.3%, respectively, whereas the renal survival rates (without ESRF) were 92% and 94.4% respectively. Cox regression analysis showed no relation of gender, age of onset, presence of hypertension, haematuria and proteinuria, estimated glomerular filtration rate, renal histology and response to therapy to the outcome of death or ESRF. We found lower patient survival rate as compared with data from the developed countries but similar to that seen in developing countries. Serious infections were an important cause of mortality besides renal failure.

Key Words: clinicopathological features • infections • lupus • prognosis

Lupus, Vol. 18, No. 4, 348-354 (2009)
DOI: 10.1177/0961203308097570


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