Cancers · 2021
Increased Reflux Esophagitis after Helicobacter pylori Eradication Therapy in Cases Undergoing Endoscopic Submucosal Dissection for Early Gastric Cancer.
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Katsurahara Masaki, Imoto Ichiro, Umeda Yuhei, Miura Hiroshi, Tsuboi Junya, Yamada Reiko, Yasuma Taro, Nakamura Misaki, Hamada Yasuhiko, Inoue Hiroyuki, Tanaka Kyosuke, Horiki Noriyuki, Gabazza Esteban C, Takei Yoshiyuki
Аннотация
BACKGROUND: The role of Helicobacter pylori in the pathogenesis of reflux esophagitis is controversial. This study investigated the frequency of reflux esophagitis before and after H. pylori eradication in patients having endoscopic submucosal dissection for early gastric cancer.
METHODS: This study included 160 patients that fulfilled the study's criteria. Endoscopy was performed before and after H. pylori eradication, and reflux esophagitis was evaluated during the follow-up period.
RESULTS: Seropositivity for H. pylori in patients with early gastric cancer was 68.8%, 101 of them received eradication therapy. During the follow-up period, the incidence of reflux esophagitis increased from 3.1% to 18.8% in the successful eradication group but no case of reflux esophagitis was observed in the failed eradication group. The univariate and multivariate analyses showed a significant correlation between successful H. pylori eradication rate and the development of reflux esophagitis.
CONCLUSIONS: This study demonstrated that a successful H. pylori eradication therapy is a risk factor for newly developed reflux esophagitis in patients with endoscopic submucosal dissection for early gastric cancer.
METHODS: This study included 160 patients that fulfilled the study's criteria. Endoscopy was performed before and after H. pylori eradication, and reflux esophagitis was evaluated during the follow-up period.
RESULTS: Seropositivity for H. pylori in patients with early gastric cancer was 68.8%, 101 of them received eradication therapy. During the follow-up period, the incidence of reflux esophagitis increased from 3.1% to 18.8% in the successful eradication group but no case of reflux esophagitis was observed in the failed eradication group. The univariate and multivariate analyses showed a significant correlation between successful H. pylori eradication rate and the development of reflux esophagitis.
CONCLUSIONS: This study demonstrated that a successful H. pylori eradication therapy is a risk factor for newly developed reflux esophagitis in patients with endoscopic submucosal dissection for early gastric cancer.