Campylobacter Species in Adults with Ulcerative Colitis
Author Information
Author(s): Mukhopadhya Indrani, Thomson John M., Hansen Richard, Berry Susan H., El-Omar Emad M., Hold Georgina L.
Primary Institution: University of Aberdeen
Hypothesis
The study investigates the prevalence of Campylobacter species in colonic biopsy samples from adults with ulcerative colitis compared to healthy controls.
Conclusion
The study found a higher prevalence of Campylobacter species, particularly C. concisus and C. ureolyticus, in adults with ulcerative colitis, suggesting a potential role in the disease's chronic inflammation.
Supporting Evidence
- 73.9% of ulcerative colitis patients had Campylobacter DNA compared to 23.1% of controls (p=0.0001).
- C. concisus was found in 33.3% of ulcerative colitis patients versus 10.8% of controls (p=0.0019).
- C. ureolyticus was present in 21.7% of ulcerative colitis patients compared to 3.1% of controls (p=0.0013).
- Mixed Campylobacter species were more common in ulcerative colitis patients (20.3%) than in controls (4.6%) (p=0.0084).
Takeaway
Doctors found more Campylobacter bacteria in the intestines of adults with a disease called ulcerative colitis than in healthy people, which might mean these bacteria could be causing problems.
Methodology
The study involved collecting colonic biopsy samples from 69 patients with ulcerative colitis and 65 healthy controls, followed by DNA extraction and PCR analysis to detect Campylobacter species.
Potential Biases
The control group was significantly older, which may introduce bias in the comparison.
Limitations
The study may not have had enough power to detect differences between various sub-groups of ulcerative colitis.
Participant Demographics
69 patients with ulcerative colitis (mean age 45.3 years, 46.4% male) and 65 healthy controls (mean age 61.4 years, 59.3% male).
Statistical Information
P-Value
0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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