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Updated: Sep 5, 2025

A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
Published on: August 12, 2020
Pseudomonas aeruginosa Early-Onset Neonatal Sepsis: Could Maternal Healthcare Occupation Be a Risk Factor?
Christy Tabarani1, Carol J Baker
1From the Division of Pediatric Infectious Diseases, Department of Pediatrics, The University of Texas Health Science Center, McGovern Medical School, Houston, Texas, USA.
Pseudomonas aeruginosa sepsis is rare in newborns. This study reports the first case in a healthy term infant, suggesting maternal healthcare work may increase colonization risk.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Microbiology
Background:
- Early-onset sepsis (EOS) in neonates is a serious condition.
- Pseudomonas aeruginosa is an uncommon cause of neonatal sepsis, typically associated with significant risk factors.
Purpose of the Study:
- To report the first known case of P. aeruginosa EOS in a term infant without identifiable risk factors.
- To explore potential risk factors, specifically maternal occupation, for P. aeruginosa colonization.
Main Methods:
- Case report of a term infant diagnosed with P. aeruginosa EOS.
- Review of clinical presentation, risk factors, and maternal history.
- Literature review on P. aeruginosa neonatal infections.
Main Results:
- A term infant presented with P. aeruginosa EOS despite lacking typical risk factors.
- Maternal employment in a healthcare setting was noted.
- This suggests a potential link between maternal healthcare occupation and neonatal P. aeruginosa colonization.
Conclusions:
- Maternal healthcare occupation may represent an unrecognized risk factor for P. aeruginosa colonization and subsequent neonatal sepsis.
- Further investigation is warranted to confirm this association and elucidate transmission pathways.
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