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Updated: Jul 10, 2026

Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
[Changes in antibiotic consumption among day-care children in Oslo]
Anne-Lise Nordlie1, Bjørg Marit Andersen
1Avdeling for helsefag Høgskolen i Oslo Postboks 4 St. Olavs plass 0130 Oslo. anne-lise.nordlie@hf.hio.no
Insights
Antibiotic use and doctor visits decreased significantly in Oslo day-care children between 2000 and 2006. This study tracked infections and antibiotic prescriptions in young children attending daycare facilities.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Context:
- Day-care children in Oslo exhibited high rates of infection (97%) and antibiotic consumption (65%) in 2000.
- A previous study in 2000 established a baseline for antibiotic use and infection rates in this population.
- Concerns regarding antibiotic overuse prompted a follow-up investigation.
Purpose:
- To assess changes in antibiotic prescriptions and infection treatment among day-care children in Oslo.
- To compare antibiotic consumption and infection rates between 2000 and 2006.
- To evaluate the impact of potential interventions or shifts in medical practice on antibiotic prescribing habits.
Summary:
- A 2006 questionnaire study involving 605 parents (53% participation) from 22 Oslo day-care centers revealed a decrease in treated infections from 65% in 2000 to 50% in 2006.
- Antibiotic treatment rates for infections dropped from 29% to 20%.
- Specific reductions were noted in ear infections (75% to 62%) and throat infections (85% to 53%), with medical consultations leading to prescriptions decreasing from 80% to 50%.
Impact:
- Demonstrates a significant reduction in antibiotic use and medical consultations for infections in Oslo's day-care population.
- Highlights a potential positive trend in antimicrobial stewardship among young children.
- Provides valuable data for public health initiatives aimed at optimizing antibiotic prescribing practices in pediatric populations.
Background:
Day-care children in Oslo had a high proportion of infections (97 %) and a high consumption of antibiotics (65 %) in 2000. The study from 2000 was repeated in 2006 to see if prescriptions for antibiotics had changed.
Material And Methods:
Parents in 22 randomly chosen day-care centres in Oslo answered a questionnaire about their children (concerning infections, contact with physicians and antibiotic treatment).
Results:
605 parents (53 %) participated. The proportion of children treated for infections was reduced from 65 % (95 % confidence interval 61 - 69 %) in 2006 to 50 (46 - 54) % in 2000 and infections treated were reduced from 29 (26 - 32) % to 20 (17 - 23) %. Ear infections were treated in 62 % of the children in 2006 (75 % in 2000) and throat infections in 53 % (85 % in 2000) of the cases. Medical consultations resulted in prescription in 50 % of the cases in 2006 and 80 % in 2000.
Interpretation:
Day-care children in Oslo used significantly less antibiotics and had significantly fewer medical consultations in 2006 than in 2000.
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