Oral probiotics prevent necrotizing enterocolitis in very low birth weight neonates

Alona Bin-Nun1, Ruben Bromiker, Michael Wilschanski

  • 1Department of Neonatology and Laboratories, Shaare Zedek Medical Center, the Faculty of Medicine of the Hebrew University, Jerusalem, Israel.

Insights

Probiotic supplementation significantly reduced the incidence and severity of necrotizing enterocolitis (NEC) in premature infants. This intervention offers a natural defense, improving outcomes for vulnerable neonates.

Area of Science:

  • Neonatal Medicine
  • Gastroenterology
  • Microbiology

Background:

  • Necrotizing enterocolitis (NEC) is a severe gastrointestinal disease affecting preterm neonates.
  • The intestinal flora plays a crucial role in infant gut health and immune development.

Purpose of the Study:

  • To evaluate the efficacy of prophylactic probiotic administration in preventing and reducing the severity of NEC in preterm infants.
  • To test if normalizing intestinal flora with probiotics acts as a natural defense against NEC.

Main Methods:

  • Randomized controlled trial involving preterm neonates with birth weight <= 1500 g.
  • Intervention group received daily probiotic supplementation (Bifidobacteria infantis, Streptococcus thermophilus, Bifidobacteria bifidus; 10(9) CFU/day).
  • Control group did not receive probiotic supplements. NEC severity was assessed using Bell's criteria.

Main Results:

  • No significant differences in birth weight, gestational age, or time to full feeds between groups.
  • The incidence of NEC was significantly lower in the probiotic group (4% vs. 16.4%, P=.03).
  • NEC severity was reduced (Bell's criteria 2.3 +/- 0.5 vs. 1.3 +/- 0.5, P=.005), and all NEC-related deaths occurred in the control group.

Conclusions:

  • Probiotic supplementation effectively reduced both the incidence and severity of NEC in preterm neonates.
  • This suggests probiotics can serve as a protective measure for vulnerable infant populations.
  • Further research may support routine probiotic use in neonatal intensive care units.
Abstract

Related Concept Videos

Probiotics01:22

Probiotics

Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
Microbiota Modulation by Antibiotics01:21

Microbiota Modulation by Antibiotics

Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...
Microbiota of the Stomach and Small Intestine01:27

Microbiota of the Stomach and Small Intestine

The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
Anatomy of the Intestines01:23

Anatomy of the Intestines

Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the small...