Identification and Characterisation of Pseudomonas 16S Ribosomal DNA from Ileal Biopsies of Children with Crohn's Disease
2008

Pseudomonas in Children with Crohn's Disease

Sample size: 68 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wagner Josef, Short Kirsty, Catto-Smith Anthony G., Cameron Don J. S., Bishop Ruth F., Kirkwood Carl D.

Primary Institution: Murdoch Childrens Research Institute

Hypothesis

The study investigates the prevalence and diversity of Pseudomonas species in children with Crohn's disease compared to control children with non-inflammatory bowel disease.

Conclusion

Pseudomonas species were found to be significantly more prevalent in children with Crohn's disease, but less diverse compared to non-IBD children.

Supporting Evidence

  • 58% of Crohn's disease patients were positive for Pseudomonas compared to 33% of non-IBD patients.
  • Pseudomonas diversity was lower in Crohn's disease patients than in non-IBD patients.
  • Statistical analysis showed significant differences in Pseudomonas presence between the two groups.

Takeaway

This study looked at bacteria called Pseudomonas in kids with Crohn's disease and found they had more of it, but it wasn't as varied as in kids without the disease.

Methodology

The study used Pseudomonas specific 16S ribosomal DNA PCR to analyze ileal biopsy specimens from children with Crohn's disease and non-IBD controls.

Potential Biases

Potential bias due to the study being limited to children and not accounting for environmental factors affecting adults.

Limitations

The study did not address the role of the immune system in Crohn's disease.

Participant Demographics

The study included 32 children diagnosed with Crohn's disease and 36 children with no pathological abnormalities, with a mean age of 12 years.

Statistical Information

P-Value

<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003578

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