Helicobacter pylori as a prognostic indicator after curative resection of gastric carcinoma: a prospective study

The Lancet Oncology
Georgios MeimarakisRudolf A Hatz

Abstract

The effect of Helicobacter-pylori status on survival after curative resection for gastric adenocarcinoma is unknown. We aimed to follow-up patients who were positive or negative for infection with H pylori who had curative (ie, R0) resection for gastric adenocarcinoma to assess differences in relapse-free survival and overall survival. Before surgery, we assessed the H pylori status of 166 patients who had R0 resection for gastric adenocarcinoma between 1992 and 2002 with bacterial culture, histological analyses (ie, staining with haematoxylin and eosin and with Warthin-Starry), and serological analyses. At a median follow-up of 53.0 months (range 1-146), relapse-free survival was 56.7 months (95% CI 4.7-108.7) and overall survival was 61.9 months (13.0-110.9) in patients positive for H pylori, compared with 19.2 months (12.7-25.6) and 19.2 months (7.1-31.3), respectively, in patients negative for H pylori (p=0.0009 for difference in relapse-free survival between groups, and p=0.0017 for difference in overall survival between groups). In multivariate analyses, H pylori was an independent prognostic factor for relapse-free survival (hazard ratio 2.16 [95% CI 1.33-3.49]) and overall survival (2.00 [1.22-3.27]). Depth of tumour in...Continue Reading

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