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Current Status of the Organized Endoscopic Screening for Gastric Cancer at the Hamamatsu-city Medical Association Takahiko Kouda 1,2 , Takahisa Furuta 1 , Hiroyuki Yoshikawa 1 , Ikuta Nakano 1 , Tomoaki Isobe 1 , Tadatoshi Okubo 1 , Tetsuji Kitagawa 1 , Touru Matsuhasi 1 , Kenichi Souda 1 , Naohito Shirai 1 , Masayuki Kimura 1 , Tomoyoshi Mabuchi 1 , Yasuyuki Noguchi 1 1Committee of Gastric cancer screening at Hamamatsu-City Medical Association, Hamamatsu, Japan 2Kouda Clinic, Hamamatsu, Japan Keyword: 対策型胃内視鏡検診 , Helicobacter pylori感染胃炎 , リスク集約型検診 , 精度管理 , 二重読影 pp.1090-1099
Published Date 2018/7/25
DOI https://doi.org/10.11477/mf.1403201440
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 Through organized endoscopic screening conducted at the Hamamatsu-city medical association, we selected individuals with H. pylori(Helicobacter pylori)-related gastritis and aimed to establish a screening program to intensively examine those individuals. It is necessary to prove that the positive group had a high risk for gastric cancer after confirming and standardizing the diagnosis of gastritis. We defined gastritis as EAG(endoscopic atrophic gastritis).” Furthermore, the diagnosis was conducted during the primary and secondary screening. We also calculated the concordance rate of each diagnosis. We analyzed the rate for each facility and tried to improve it by allowing the endoscopist at the facility with a low concordance rate to participate in the secondary screening. The overall concordance rate was 90.9% in 2016, which is approximately 10% better than that in 2011. As a result, the cancer detection rate of the EAG positive group was significantly higher than that of the negative group. Most of the gastric cancer cases in the EAG negative group were cases reported after H. pylori was eradicated. Based on these findings, the risk-intensive screening was initiated in 2017 with two risk factors:“EAG positive” and “experienced H. pylori-eradication treatment by history-taking.”


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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