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Objective . To investigate the clinicopathological features and outcome of glomerulonephritis with crescents among Saudi children.  Method . This is a retrospective study of cases of crescentic glomerulonephritis (CrGN) seen over a 9-year period. Histological features and renal function were recorded.  Results . Thirty-seven cases were enrolled. The mean percent of glomeruli with crescents was 39% (±19). Lupus nephritis (LN) was the commonest etiology (54.1%). At presentation, the serum creatinine (SCr) was 218.2 (±174.3) umol/l, and 57.1% of the cases had nephrotic range proteinuria. By the end of the observation period, SCr dropped to 81.0 (±67.7) umol/l ( P  = 0.001). Worsening renal function was associated with younger age ( P  = 0.002), non-LN etiology ( P  = 0.01), more crescents ( P  = 0.019), and ATN ( P  = 0.05). At the end of the followup, more patients in the LN group were dialysis-free ( P  = 0.017) and had improved renal function (0.01) than in the non-LN group. Using multivariate analysis, the only independent factor found to predict need for dialysis or change in SCr level was percent of globally sclerosed glomeruli ( P  = 0.034).  Conclusion . LN is the main cause of CrGN in our cohort of children. The LN group had less globally sclerorsed glomeruli and better renal prognosis than the non-LN group.

Glomerulonephritis with Crescents in Children: Etiology and Predictors of Renal Outcome