Bronchopulmonary dysplasia is associated with polyhydramnios in a scan for novel perinatal risk factors

Meredith S Campbell1, Lisa A Bastarache2, Sara L Van Driest1

  • 1Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA.

Pediatric Research
|April 8, 2022
PubMed

Insights

Polyhydramnios, or excess amniotic fluid, is linked to a higher risk of bronchopulmonary dysplasia in premature infants. This finding aids in identifying high-risk newborns for better care.

Area of Science:

  • Neonatal Medicine
  • Perinatal Epidemiology

Background:

  • Bronchopulmonary dysplasia (BPD) pathogenesis is complex with limited data on prenatal risk factors.
  • Identifying prenatal exposures associated with BPD is crucial for early intervention.

Purpose of the Study:

  • To investigate the association between prenatal exposures and the risk of developing BPD.
  • To evaluate polyhydramnios as a potential clinical indicator for BPD risk.

Main Methods:

  • Parallel analyses using a logistic regression model on a curated registry of 4527 infants.
  • Phenome-wide association study (PheWAS) using ICD-9/10 codes to analyze 94 maternal diagnosis phecodes.
  • Examined 20 prenatal exposures from a neonatal intensive care unit (NICU) registry.

Main Results:

  • Polyhydramnios showed a significant association with increased BPD risk in both registry and PheWAS analyses (OR 5.70, p < 1.37×10⁻⁶).

Conclusions:

  • Polyhydramnios may serve as a clinical indicator for preterm infants at elevated risk of BPD.
  • Combining curated registry data with PheWAS analysis is a valuable tool for generating hypotheses on perinatal risk factors.
Abstract

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