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Effects of Probiotic Supplementation on the Gut Microbiota and Antibiotic Resistome Development in Preterm Infants

Permanent lenke
https://hdl.handle.net/10037/14812
DOI
https://doi.org/10.3389/fped.2018.00347
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article.pdf (1.496Mb)
Publisher`s version (PDF)
Dato
2018-11-16
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Esaiassen, Eirin; Hjerde, Erik; Cavanagh, Jorunn Pauline; Pedersen, Tanja; Andresen, Jannicke Hanne; Rettedal, Siren; Støen, Ragnhild; Nakstad, Britt; Willassen, Nils Peder; Klingenberg, Claus
Sammendrag
Objectives: In 2014 probiotic supplementation (Lactobacillus acidophilus and Bifidobacterium longum subspecies infantis; Infloran®) was introduced as standard of care to prevent necrotizing enterocolitis (NEC) in extremely preterm infants in Norway. We aimed to evaluate the influence of probiotics and antibiotic therapy on the developing gut microbiota and antibiotic resistome in extremely preterm infants, and to compare with very preterm infants and term infants not given probiotics.

Study design: A prospective, observational multicenter study in six tertiary-care neonatal units. We enrolled 76 infants; 31 probiotic-supplemented extremely preterm infants <28 weeks gestation, 35 very preterm infants 28–31 weeks gestation not given probiotics and 10 healthy full-term control infants. Taxonomic composition and collection of antibiotic resistance genes (resistome) in fecal samples, collected at 7 and 28 days and 4 months age, were analyzed using shotgun-metagenome sequencing.

Results: Median (IQR) birth weight was 835 (680–945) g and 1,290 (1,150–1,445) g in preterm infants exposed and not exposed to probiotics, respectively. Two extremely preterm infants receiving probiotic developed NEC requiring surgery. At 7 days of age we found higher median relative abundance of Bifidobacterium in probiotic supplemented infants (64.7%) compared to non-supplemented preterm infants (0.0%) and term control infants (43.9%). Lactobacillus was only detected in small amounts in all groups, but the relative abundance increased up to 4 months. Extremely preterm infants receiving probiotics had also much higher antibiotic exposure, still overall microbial diversity and resistome was not different than in more mature infants at 4 weeks and 4 months.

Conclusion: Probiotic supplementation may induce colonization resistance and alleviate harmful effects of antibiotics on the gut microbiota and antibiotic resistome.

Clinical Trial Registration: Clinicaltrials.gov: NCT02197468. https://clinicaltrials.gov/ct2/show/NCT02197468.

Beskrivelse
Source at https://doi.org/10.3389/fped.2018.00347.
Er en del av
Esaiassen, E. (2018). Antibiotics and probiotics to neonates-Adverse effects, impact on gut microbiota and antibiotic resistome, and Bifidobacterium pathogenicity. (Doctoral thesis). https://hdl.handle.net/10037/15334
Forlag
Frontiers Media
Sitering
Esaiassen, E., Hjerde, E., Cavanagh, J.P., Pedersen, T., Andresen, J.H., Rettedal, S., ... Klingenberg, C. (2018). Effects of Probiotic Supplementation on the Gut Microbiota and Antibiotic Resistome Development in Preterm Infants. Frontiers in pediatrics, 6:347. https://doi.org/10.3389/fped.2018.00347
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