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Epidemiology of bacteriuria during the first year of life
Insights
This study screened 3,581 infants for bacteriuria, finding it in 0.9% of girls and 2.5% of boys. Early infancy is a key period for detecting urinary tract infections in male infants.
Area of Science:
- Pediatrics
- Infectious Diseases
- Urology
Background:
- Urinary tract infections (UTIs) are common in infants.
- Early detection and management of bacteriuria are crucial for preventing long-term complications.
Purpose of the Study:
- To investigate the prevalence of bacteriuria in an unselected infant population.
- To determine the incidence of symptomatic urinary tract infections in infants under 12 months.
- To identify patterns of bacteriuria in boys and girls during their first year of life.
Main Methods:
- Screening of 3,581 infants for bacteriuria at three intervals during the first year of life.
- Collection of bag samples with parental assistance.
- Confirmation of bacteriuria via suprapubic aspiration.
- Monitoring for symptomatic urinary tract infections.
Main Results:
- Bacteriuria was confirmed in 0.9% of girls (14) and 2.5% of boys (36).
- Symptomatic UTIs were observed in 1.1% of girls and 1.2% of boys.
- Bacteriuria in boys was more prevalent early in infancy, detected through both screening and symptomatic cases.
Conclusions:
- The prevalence of bacteriuria is higher in infant boys than girls.
- Early infancy is a critical period for identifying urinary tract infections in boys.
- Screening and monitoring for UTIs in infants are essential for timely intervention.
Abstract:
Bacteriuria was studied in an unselected population of 3,581 infants. Screening was performed at three time intervals during the infants' first year of life. The public Child Health Centers cooperated in the screening and bag samples were obtained from the infants with the parents help. Bacteriuria was verified by suprapubic aspiration. 94% of the infants took part in the screening and bacteriuria was confirmed in 14 girls (0.9%) and 36 boys (2.5%). An additional 20 girls (1.1%) and 20 boys (1.2%) in the study population presented with symptomatic urinary tract infection before 12 months of age. Bacteriuria in boys was predominantly found early in infancy both with screening techniques and through symptomatic urinary tract infections.