Early Gut Bacteria and Asthma Development
Author Information
Author(s): Vael Carl, Nelen Vera, Verhulst Stijn L, Goossens Herman, Desager Kristine N
Primary Institution: University of Antwerp
Hypothesis
Is there an association between early intestinal colonisation and the development of asthma in the first 3 years of life?
Conclusion
Bacteroides fragilis colonisation at age 3 weeks is an early indicator of possible asthma later in life.
Supporting Evidence
- The prevalence of colonisation with Bacteroides fragilis was higher in children with a positive Asthma Predictive Index.
- Bacteroides fragilis counts were significantly higher in children with asthma symptoms.
- The study used a large cohort of 158 children, making it one of the largest studies on this topic.
Takeaway
If babies have a certain type of bacteria in their gut early on, they might be more likely to develop asthma when they grow up.
Methodology
The study followed a birth cohort of 117 children, assessing their gut bacteria and asthma symptoms over three years.
Potential Biases
Potential bias due to missing data and reliance on parental reports for asthma diagnosis.
Limitations
Some children were lost to follow-up, and stool samples from mothers were not included.
Participant Demographics
54% of the children were boys; 8% had maternal asthma and 5% had paternal asthma.
Statistical Information
P-Value
0.003
Confidence Interval
1.7 – 11.8
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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