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Maternal use of antibiotics and the risk of childhood febrile seizures: a Danish population-based cohort.


ABSTRACT:

Objective

In a large population-based cohort in Denmark to examine if maternal use of antibiotics during pregnancy, as a marker of infection, increases the risk of febrile seizures in childhood in a large population-based cohort in Denmark.

Methods

All live-born singletons born in Denmark between January 1, 1996 and September 25, 2004 and who were alive on the 90(th) day of life were identified from the Danish National Birth Registry. Diagnoses of febrile seizures were obtained from the Danish National Hospital Register and maternal use of antibiotics was obtained from the National Register of Medicinal Product Statistics. Hazard ratios (HR) and 95% confidence intervals (95% CI) were estimated by Cox proportional hazard regression models.

Results

We followed 551,518 singletons for up to 5 years and identified a total of 21,779 children with a diagnosis of febrile seizures. Slightly increased hazard ratios were observed among most exposure groups when compared to the unexposed group, ex. HR 1.08 95% CI: 1.05-1.11 for use of any systemic antibiotic during pregnancy.

Conclusion

We found weak associations between the use of pharmacologically different antibiotics during pregnancy and febrile seizures in early childhood which may indicate that some infections, or causes or effects of infections, during pregnancy could affect the fetal brain and induce susceptibility to febrile seizures.

SUBMITTER: Miller JE 

PROVIDER: S-EPMC3627381 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Publications

Maternal use of antibiotics and the risk of childhood febrile seizures: a Danish population-based cohort.

Miller Jessica E JE   Pedersen Lars Henning LH   Vestergaard Mogens M   Olsen Jørn J  

PloS one 20130415 4


<h4>Objective</h4>In a large population-based cohort in Denmark to examine if maternal use of antibiotics during pregnancy, as a marker of infection, increases the risk of febrile seizures in childhood in a large population-based cohort in Denmark.<h4>Methods</h4>All live-born singletons born in Denmark between January 1, 1996 and September 25, 2004 and who were alive on the 90(th) day of life were identified from the Danish National Birth Registry. Diagnoses of febrile seizures were obtained fr  ...[more]

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