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Bacterial translocation in the neonate
J M Van Camp1, V Tomaselli, A G Coran
1CS Mott Children's Hospital, Ann Arbor, Michigan.
Insights
Bacterial translocation is common in neonates, potentially causing sepsis. Understanding this process is crucial for improving infant health outcomes and reducing mortality in stressed newborns.
Area of Science:
- Neonatal research
- Gastrointestinal microbiology
- Immunology
Background:
- Bacterial translocation (BT) is a significant factor in adult morbidity and mortality during stress.
- Limited understanding exists regarding BT's impact on neonates, despite its common occurrence in both healthy and ill infants.
- The intestinal mucosal barrier's development is key to preventing BT in newborns.
Purpose of the Study:
- To review current literature on bacterial translocation in stressed adults.
- To examine the development of the neonatal intestinal mucosal barrier as a defense against BT.
- To explore the role of spontaneous BT in neonatal sepsis, morbidity, and mortality.
Main Methods:
- Literature review of studies on bacterial translocation in adults and neonates.
- Analysis of research on the development and integrity of the neonatal intestinal mucosal barrier.
- Synthesis of evidence linking spontaneous bacterial translocation to neonatal sepsis and outcomes.
Main Results:
- Bacterial translocation is increasingly recognized in neonates, including premature and ill infants.
- The integrity of the intestinal mucosal barrier is critical for preventing BT in newborns.
- Spontaneous bacterial translocation is implicated in the development of systemic sepsis in neonates.
Conclusions:
- Further research is needed to fully elucidate the mechanisms and consequences of BT in neonates.
- Strategies to enhance the intestinal mucosal barrier may reduce BT and associated sepsis in infants.
- Addressing BT is essential for improving survival rates and reducing complications in critically ill neonates.
Abstract:
Bacterial translocation has been a major topic of investigation for the past two decades. Despite recent evidence that bacterial translocation may play a significant role in the morbidity and mortality of adults faced with multiple types of stress, very little is known about the effect of bacterial translocation on the neonate. Recently more and more evidence has suggested that normal as well as premature or ill neonates experience spontaneous bacterial translocation quite commonly. This article reviews the recent literature on bacterial translocation in stressed adults, the development of an intact intestinal mucosal barrier in the newborn as a protection against bacterial translocation, and the role of spontaneous bacterial translocation in the development of systemic sepsis and its accompanying morbidity and mortality.