Relationship between H.Pylori infection and clinicopathological features and prognosis of gastric cancer.

BMC Cancer
Hai-Bo QiuWei Li

Abstract

Aimed to assess the relationship between H.Pylori and the clinicopathological features and prognosis of gastric cancer by quantitative detection of H.Pylori. 157 patients were enrolled, all patients had a record of clinicopathological parameters. Specimens including the tumor and non-neoplastic were detected for H.Pylori by Real-Time PCR and analyzed clinical data retrospectively. Variables independently affecting prognosis were investigated by means of multivariate analysis using the Cox proportional hazards model. H.Pylori infection was greater in non-neoplastic tissue than the tumor tissue (p < 0.05), H.Pylori infection and its copies were related to the tumor site and N staging (p < 0.05). Overall survival (OS) in all 157 patients has no correlation with the H.Pylori infection status (p = 0.715). As to the patients who underwent a curative surgery, relapse-free survival (RFS) has no correlation with the H.Pylori infection status (p = 0.639). Among the H.Pylori positive patients, OS and RFS of those with higher copies were longer than in patients with low copies, but there was no significant statistical difference. H.Pylori infection status and its copies were related to N staging. The OS and RFS in patients with positive H....Continue Reading

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Methods Mentioned

BETA
PCR
surgical resection

Software Mentioned

CLUSTALW
Primer Express
BLAST
SPSS
LightCycler

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