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Lauer, T.* ; Behnke, J.* ; Oehmke, F.* ; Baecker, J.* ; Gentil, K.* ; Chakraborty, T.* ; Schloter, M. ; Gertheiss, J.* ; Ehrhardt, H.*

Bacterial colonization within the first 6 weeks of life and pulmonary outcome in preterm infants <1000 g.

J. Clin. Med. 9:2240 (2020)

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Bronchopulmonary dysplasia (BPD) is a multifactorial disease mainly provoked by pre- and postnatal infections, mechanical ventilation, and oxygen toxicity. In severely affected premature infants requiring mechanical ventilation, association of bacterial colonization of the lung and BPD was recently disclosed. To analyze the impact of bacterial colonization of the upper airway and gastrointestinal tract on moderate/severe BPD, we retrospectively analyzed nasopharyngeal and anal swabs taken weekly during the first 6 weeks of life at a single center inn= 102 preterm infants <1000 g. Colonization mostly occurred between weeks 2 and 6 and displayed a high diversity requiring categorization. Analyses of deviance considering all relevant confounders revealed statistical significance solely for upper airway colonization with bacteria with pathogenic potential and moderate/severe BPD (p= 0.0043) while no link could be established to the Gram response or the gastrointestinal tract. Our data highlight that specific colonization of the upper airway poses a risk to the immature lung. These data are not surprising taking into account the tremendous impact of microbial axes on health and disease across ages. We suggest that studies on upper airway colonization using predefined categories represent a feasible approach to investigate the impact on the pulmonary outcome in ventilated and non-ventilated preterm infants.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Preterm Infant ; Bronchopulmonary Dysplasia ; Bacterial Colonization ; Pathogenic ; Gram-negative Bacteria ; Upper Airway ; Lung ; Gut; Nf-kappa-b; Bronchopulmonary Dysplasia; Nasal Cannulae; Risk-factors; Sepsis; Lung; Inflammation; Association; Microbiome; Activation

ISSN (print) / ISBN 2077-0383

e-ISSN 2077-0383

Journal Journal of Clinical Medicine

Quellenangaben Volume: 9, Issue: 7, Article Number: 2240

Publisher MDPI

Publishing Place Basel

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Research Unit Comparative Microbiome Analysis (COMI)

Grants von-Behring-Röntgen Stiftung