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Prolonged early antibiotic use and bronchopulmonary dysplasia in very low birth weight infants

Alexandra Novitsky1, Deborah Tuttle2, Robert G Locke2

  • 1Department of Neonatology, Chester County Hospital, West Chester, Pennsylvania.

American Journal of Perinatology
|May 6, 2014
PubMed

Insights

Prolonged antibiotic use (>48 hours) in the first week of life in newborns is linked to a higher risk of bronchopulmonary dysplasia (BPD) and resistant bacterial infections in endotracheal tubes (ETT). This finding highlights potential risks of early-life antibiotic exposure.

Area of Science:

  • Neonatal Medicine
  • Pediatric Pulmonology
  • Infectious Diseases

Background:

  • Early-life antibiotic exposure is common in very low birth weight infants.
  • Bronchopulmonary dysplasia (BPD) is a significant complication in premature infants.
  • Antibiotic resistance is a growing global health concern.

Purpose of the Study:

  • To investigate the association between prolonged antibiotic treatment (>48 hours) in the first week of life and subsequent endotracheal tube (ETT) bacterial isolation.
  • To determine if early-life antibiotic exposure increases the risk of developing bronchopulmonary dysplasia (BPD).

Main Methods:

  • Retrospective cohort study of 906 very low birth weight infants.
  • Routine weekly endotracheal tube (ETT) cultures for bacterial surveillance.
  • Unadjusted and multivariable analyses to assess risk factors for BPD.

Main Results:

  • Infants who developed BPD were more likely to have received >48 hours of antibiotics (31% vs. 14%).
  • A higher incidence of resistant gram-negative bacilli in ETT cultures was observed in infants with BPD (7% vs. 2%).
  • Antibiotic treatment >48 hours remained significantly associated with BPD (aOR, 2.2; 95% CI, 1.4-3.5).

Conclusions:

  • Antibiotic duration exceeding 48 hours in the first week of life is associated with an increased risk of BPD.
  • Prolonged early-life antibiotic exposure is linked to the presence of resistant bacteria in endotracheal tube cultures.
  • These findings suggest a need to carefully consider the duration of antibiotic therapy in neonates.
Abstract

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