Characteristics of Gastric Cancer Detected After Helicobacter pylori Eradication Therapy
Author Information
Author(s): Abe Ryo, Uchikoshi Shu, Horikawa Yohei, Mimori Nobuya, Kato Yuhei, Tahata Yuta, Fushimi Saki, Saito Masahiro, Takahashi Satsuki
Primary Institution: Hiraka General Hospital
Hypothesis
Late post-eradication gastric cancer (pE-GC) has specific characteristics that differ from immediate cancer.
Conclusion
Patients with a low remnant rate of the fundic glands and intestinal metaplasia, along with persistent mucosal inflammation, are at high risk for developing gastric cancer after Helicobacter pylori eradication therapy.
Supporting Evidence
- The annual incidence rate of post-eradication gastric cancers is 0.24%.
- 90.3% of patients in the delayed group exhibited persistent neutrophil infiltration.
- Intestinal metaplasia was observed in 87.1% of patients in the delayed group.
- The remnant rate of the fundic glands was significantly low in the delayed group.
- Patients in the delayed group were older than those in the immediate group.
Takeaway
This study found that some people can still get stomach cancer even after treatment for a bacteria called Helicobacter pylori, especially if their stomach lining doesn't heal well.
Methodology
The study compared endoscopic and histological findings of gastric cancers in patients detected after Helicobacter pylori eradication therapy, dividing them into immediate and delayed groups based on the time of cancer detection.
Potential Biases
Potential bias due to the retrospective nature of the study and the single-center design.
Limitations
The study was conducted at a single institution with a relatively small sample size and did not compare patients with and without gastric cancer.
Participant Demographics
Patients included 69 in the immediate group and 31 in the delayed group, with a median age of 68 for the immediate group and 72 for the delayed group.
Statistical Information
P-Value
0.014
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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