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European Journal of Epidemiology

, Volume 31, Issue 3, pp 331–332 | Cite as

No association between macrolide treatment in infancy and later pyloric stenosis in Sweden

  • Jonas F. LudvigssonEmail author
  • Cecilia Lundholm
  • Anne K. Örtqvist
  • Catarina Almqvist
Letter to the Editor

Keywords

Antibiotics Child Cohort study Infant Macrolides Pyloric stenosis 

Notes

Compliance with ethical standards

Conflicts of interests

All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf. JFL, CL, AKÖ, and CA claim no conflict of interest related to the submitted work.

Ethical approval

The study was approved by the Regional Ethical Review board in Stockholm, Sweden (DNR 2011/2012-31/5 and 2012/1179-32).

References

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    Lund M, Pasternak B, Davidsen RB, et al. Use of macrolides in mother and child and risk of infantile hypertrophic pyloric stenosis: nationwide cohort study. BMJ. 2014;348:g1908.CrossRefPubMedPubMedCentralGoogle Scholar
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    Eberly MD, Eide MB, Thompson JL, Nylund CM. Azithromycin in early infancy and pyloric stenosis. Pediatrics. 2015;135(3):483–8.CrossRefPubMedGoogle Scholar
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    Ortqvist AK, Lundholm C, Kieler H, et al. Antibiotics in fetal and early life and subsequent childhood asthma: nationwide population based study with sibling analysis. BMJ. 2014;349:g6979.CrossRefPubMedPubMedCentralGoogle Scholar
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    Ludvigsson JF, Andersson E, Ekbom A, et al. External review and validation of the Swedish national inpatient register. BMC Public Health. 2011;11(1):450.CrossRefPubMedPubMedCentralGoogle Scholar
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    Wettermark B, Hammar N, Fored CM, et al. The new Swedish Prescribed Drug Register–opportunities for pharmacoepidemiological research and experience from the first six months. Pharmacoepidemiol Drug Saf. 2007;16(7):726–35.CrossRefPubMedGoogle Scholar

Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Jonas F. Ludvigsson
    • 1
    • 2
    Email author
  • Cecilia Lundholm
    • 1
  • Anne K. Örtqvist
    • 1
  • Catarina Almqvist
    • 1
    • 3
  1. 1.Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
  2. 2.Department of Pediatrics, Örebro University HospitalÖrebro UniversityÖrebroSweden
  3. 3.Astrid Lindgren Children’s HospitalKarolinska University HospitalStockholmSweden

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