Saudi Journal of Gastroenterology
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Year : 2022  |  Volume : 28  |  Issue : 2  |  Page : 149-156

Long-term effects and benefits of Helicobacter pylori eradication on the gastric mucosa in older individuals

1 Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai, China
2 Geriatric Medical Center, Taikang Shenyuan Rehabilitation Hospital, Shanghai, China
3 Department of General Practice, Huadong Hospital Affiliated to Fudan University, Shanghai, China
4 Department of Digestive Endoscopy, Huadong Hospital Affiliated to Fudan University, Shanghai, China
5 Department of Pathology, Huadong Hospital Affiliated to Fudan University, Shanghai, China

Correspondence Address:
Dr. Shuming Yin
No. 221 West Yan'an Road, Shanghai - 200040
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjg.sjg_206_21

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Background: The current international consensus report indicated that all Helicobacter pylori (H. pylori)-positive patients should be treated. This study aimed to evaluate the long-term effects and benefits of H. pylori eradication on the gastric mucosa in the elderly population. Methods: We performed a retrospective cohort study with 311 individuals aged ≥60 years, including 83 with persistent H. pylori infection (persistent group), 128 with successful H. pylori eradication (eradicated group), and 100 without H. pylori infection (control group). The results of endoscopy and mucosal histology were investigated at baseline and followed up for 5 and 10 years. Results: In the 5 to 10-year follow-up, there was a significant difference in the atrophy score among the three groups (P < 0.001); however, no significant difference was observed in the intestinal metaplasia (IM) score (P > 0.05). There was no significant difference in the cumulative incidence of gastric neoplastic lesion (GNL) between the eradicated and persistent groups during the 5 to 10-year follow-up period (P > 0.05). The baseline IM score of patients with GNL was significantly higher than that of those without GNL in the eradicated and control groups (P < 0.05). In all patients with GNL, the mean interval time between baseline and diagnosis of GLN was more than 6 years. The severity of baseline mucosal IM (odds ratio: OR 3.092, 95% confidence interval [CI]: 1.690–5.655, P < 0.001) and H. pylori infection (OR: 2.413, 95%CI: 1.019–5.712, P = 0.045) significantly increased the risk for GNL. Conclusions: Older patients with a life expectancy of less than 5 to 10 years, especially those with moderate to severe gastric mucosal IM, may not benefit from the eradication of H. pylori to prevent gastric cancer.

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