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Published on: February 15, 2018
Bacterial colonization, probiotics, and necrotizing enterocolitis
Erika C Claud1, W Allan Walker
1Department of Pediatrics, University of Chicago, Chicago, IL, USA.
Insights
Probiotic therapy may improve gut health in preterm infants by optimizing intestinal colonization and reducing necrotizing enterocolitis. Further research is ongoing to understand how probiotics influence the infant gut microbiome.
Area of Science:
- Neonatal medicine
- Microbiology
- Gastroenterology
Background:
- The neonatal gut microbiome is crucial for intestinal health and function.
- Preterm infants have immature defenses, making them susceptible to gut issues like necrotizing enterocolitis.
- Gut colonization patterns are influenced by delivery, feeding, and medical interventions.
Purpose of the Study:
- To explore the potential benefits of modulating the intestinal flora in preterm infants.
- To investigate the role of probiotics in preventing or mitigating neonatal necrotizing enterocolitis.
- To understand how specific bacteria influence intestinal maturation and inflammation.
Main Methods:
- Review of clinical studies on probiotic therapy in preterm infants.
- Analysis of factors influencing neonatal intestinal colonization.
- Investigation into the mechanisms of probiotic action on the gut microbiome.
Main Results:
- Clinical studies suggest probiotics may decrease the incidence of necrotizing enterocolitis.
- Certain bacteria are known to promote intestinal maturation and reduce inflammation.
- Probiotic therapy is a potential strategy for optimizing gut health in vulnerable infants.
Conclusions:
- Modulating the intestinal flora, particularly with probiotics, shows promise for preterm infants.
- Probiotics may help optimize intestinal colonization and improve outcomes.
- Further research is needed to fully understand probiotic mechanisms and ensure safety.
Abstract:
The intestinal microflora has a significant role in intestinal health and gut function. The neonatal population is unique in that intestinal colonization is not established and is known to be influenced by delivery method, feeding, gestational age, and medical interventions. The preterm infant is particularly sensitive to colonization patterns as inherent intestinal defense mechanisms are immature and immature intestinal epithelial cells are known to have exaggerated inflammatory responses to both commensal and pathogenic bacteria. These responses contribute to the development of neonatal necrotizing enterocolitis in this patient population. As certain bacteria are known to influence intestinal maturation and down-regulate intestinal inflammation, it has been suggested that influencing the intestinal flora of preterm infants may be beneficial. Clinical studies indicate that probiotic therapy may decrease the incidence of necrotizing enterocolitis and studies are ongoing to elucidate the mechanism of action of different probiotic organisms. Although concerns remain and further study is necessary, probiotics are a plausible means of optimizing intestinal colonization and influencing outcome of these vulnerable infants.
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