Objective The aim of the present study was to investigate the bacterial pathogens and their resistance patterns in children presenting with their first admission for a urinary tract infection (UTI) in a large tertiary care center in Riyadh, Saudi Arabia. Methods A retrospective chart review was conducted of pediatric patients 0–14 years of age who were admitted for their first community-acquired UTI in a large tertiary care center in Riyadh, Saudi Arabia. The review covered a 6-year period (2006–2012). Results Data were obtained from 202 children, of which 162 (80.2%) were female. The most frequently isolated uropathogens were Escherichia coli (75.7%), followed by Klebsiella pneumoniae (9.4%), Pseudomonas aeruginosa (5.9%) and Enterococcus species (3.5%). Sixteen (7.9%) isolates were ESBLs. Among all uropathogens, 68% were resistant to ampicillin, 54% resistant to co-trimoxazole, and 30% resistant/intermediate sensitivity to amoxicillin/clavulinic acid. Overall, there was a low resistance rate to cefotaxime (4.4%). Conclusion E. coli is the predominant uropathogen causing UTIs in children, yet there is a high rate of multidrug-resistant organisms. For children admitted for a community-acquired UTI, a third-generation cephalosporin remains an appropriate empiric antibiotic. Our study and the work of others emphasize the importance of choosing empiric antibiotics for pediatric UTIs based on local resistance patterns.
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.
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