J Dig Cancer Rep.  2020 Dec;8(2):91-96.

Helicobacter pylori Eradication and Risks of Metachronous Recurrence after Endoscopic Resection of Gastric Adenoma: A Systematic Review and Meta-Analysis

Affiliations
  • 1Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
  • 2Department of Gastroenterology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea

Abstract

The effect of Helicobacter pylori (H. pylori) eradication on the development of metachronous recurrence after endoscopic resection (ER) of gastric adenoma is not well defined. The aim of this study was to assess the efficacy of H. pylori eradication after ER of gastric adenoma for the prevention of metachronous recurrence. A systematic literature review and meta-analysis were conducted using the databases Ovid-MEDLINE, EMBASE, Cochrane Library, KoreaMed, and KMBASE. Thus, a systematic review and meta-analysis was performed to investigate this relationship. Pooled risk ratio for metachronous gastric lesions with regard to H. pylori eradication was calculated, and heterogeneity was also measured. Five eligible studies were finally identified in systematic review, and included in meta-analysis. H. pylori eradication was associated with overall 55% lower odds of metachronous events (RR=0.55; 95 % CI 0.34-0.92). Based on the best available evidence, eradication of H. pylori can also provide protection against metachronous recurrence after ER of gastric adenoma.

Keyword

Helicobacter pylori; Metachronous neoplasms; Stomach neoplasms
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