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Non-Invasive Model of Neuropathogenic Escherichia coli Infection in the Neonatal Rat
Published on: October 29, 2014
Neonatal bacteriuria: a prospective study in 1,460 infants
Insights
Bacteriuria (bacteria in urine) affects 1% of newborns. Many asymptomatic cases resolve without antibiotic treatment, but vesicoureteric reflux is common in affected infants.
Area of Science:
- Pediatrics
- Nephrology
- Infectious Diseases
Background:
- Bacteriuria in neonates is uncommon but can indicate serious underlying issues.
- Early detection and management are crucial for preventing long-term complications.
Purpose of the Study:
- To determine the incidence and clinical significance of bacteriuria in a neonatal population.
- To evaluate the outcomes of symptomatic and asymptomatic bacteriuria in infants.
Main Methods:
- Prospective study of 1,460 neonates.
- Bacteriuria diagnosed via bladder puncture.
- Clinical assessment, urine analysis, blood tests, intravenous pyelogram, and micturating cystourethrography.
Main Results:
- 14 neonates (1%) had bacteriuria; 11 boys, 3 girls.
- 5 symptomatic infants received antibiotics; 9 asymptomatic infants were observed (5 cleared spontaneously, 4 treated).
- 8 infants had vesicoureteric reflux; intravenous pyelogram was normal in all.
Conclusions:
- Neonatal bacteriuria is infrequent, with a significant proportion of asymptomatic cases resolving spontaneously.
- Vesicoureteric reflux is a common finding in neonates with bacteriuria, necessitating further investigation.
Abstract:
In a prospective study of 1,460 virtually consecutive neonates 14 (1%) were found to have bacteriuria, established by bladder puncture. Eleven were boys and three girls. Five of the infants with bacteriuria had symptoms suggestive of infection and were treated with antibiotics. The remaining nine were asymptomatic and remained so during a period of observation-five cleared their urine of bacteria without treatment, and four received antibiotics. Only one infant with bacteriuria had bacteraemia. Six infants had more than 10 white blood cells per mm(3) in the bladder puncture urine and three had proteinuria. The blood urea was slightly raised in only two of the infants. The intravenous pyelogram was normal in all infants with bacteriuria but eight had slight or moderate vesicoureteric reflux when examined by micturating cystourethrography.
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