Bile Reflux and Its Impact on GERD Severity
Author Information
Author(s): Nakos Andreas, Kouklakis Georgios, Pitiakoudis Michail, Zezos Petros, Efraimidou Eleni, Giatromanolaki Alexandra, Polychronidis Alexandros, Liratzopoulos Nikolaos, Sivridis Efthimios, Simopoulos Konstantinos
Primary Institution: Democritus University of Thrace, University General Hospital of Alexandroupolis
Hypothesis
Is the sequence of bile reflux, intestinal metaplasia, GERD, and esophagitis associated with apoptotic and oncogenetic disturbances?
Conclusion
Bile reflux gastropathy is associated with the severity of GERD but does not affect oncogene expression or apoptotic processes in the upper GI mucosa.
Supporting Evidence
- 47% of GERD patients had an elevated Bile Reflux Index score compared to 13% of controls.
- Severe esophageal lesions were more common in BRI positive patients.
- Immunohistochemical analysis showed no significant differences in biomarker expression between BRI positive and negative groups.
Takeaway
This study looked at how bile reflux affects people with GERD, finding that while it makes the condition worse, it doesn't seem to cause cancer changes in the stomach or esophagus.
Methodology
Fifty-three GERD patients and fifteen healthy controls underwent gastroscopy with biopsies, which were then analyzed histologically and immunohistochemically.
Potential Biases
Potential bias due to the exclusion of patients with certain conditions and the reliance on histological evidence.
Limitations
The study's findings may not be generalizable due to the relatively young age of participants and the small sample size.
Participant Demographics
53 GERD patients (42 men, 11 women, mean age 33.3 years) and 15 healthy controls (9 men, 6 women, mean age 40.4 years).
Statistical Information
P-Value
0.02
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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