Severity of gastric intestinal metaplasia predicts the risk of gastric cancer: a prospective multicentre cohort study (GCEP)

医学 内科学 胃肠病学 入射(几何) 肠化生 癌症 前瞻性队列研究 队列研究 风险因素 光学 物理
作者
Jonathan Lee,Feng Zhu,Supriya Srivastava,Stephen KK Tsao,Christopher Khor,Khek Yu Ho,Kwong Ming Fock,Wee Chian Lim,Tiing Leong Ang,Wan Cheng Chow,Jimmy Bok Yan So,Calvin Jianyi Koh,Shijia Joy Chua,Andrew S. Wong,Jaideepraj Rao,Guan Huei Lee,Khoon Lin Ling,Chung-King Chia,Choon Jin Ooi,Andrea Rajnakova
出处
期刊:Gut [BMJ]
卷期号:71 (5): 854-863 被引量:88
标识
DOI:10.1136/gutjnl-2021-324057
摘要

Objective To investigate the incidence of gastric cancer (GC) attributed to gastric intestinal metaplasia (IM), and validate the Operative Link on Gastric Intestinal Metaplasia (OLGIM) for targeted endoscopic surveillance in regions with low-intermediate incidence of GC. Methods A prospective, longitudinal and multicentre study was carried out in Singapore. The study participants comprised 2980 patients undergoing screening gastroscopy with standardised gastric mucosal sampling, from January 2004 and December 2010, with scheduled surveillance endoscopies at year 3 and 5. Participants were also matched against the National Registry of Diseases Office for missed diagnoses of early gastric neoplasia (EGN). Results There were 21 participants diagnosed with EGN. IM was a significant risk factor for EGN (adjusted-HR 5.36; 95% CI 1.51 to 19.0; p<0.01). The age-adjusted EGN incidence rates for patients with and without IM were 133.9 and 12.5 per 100 000 person-years. Participants with OLGIM stages III–IV were at greatest risk (adjusted-HR 20.7; 95% CI 5.04 to 85.6; p<0.01). More than half of the EGNs (n=4/7) attributed to baseline OLGIM III–IV developed within 2 years (range: 12.7–44.8 months). Serum trefoil factor 3 distinguishes (Area Under the Receiver Operating Characteristics 0.749) patients with OLGIM III–IV if they are negative for H. pylori . Participants with OLGIM II were also at significant risk of EGN (adjusted-HR 7.34; 95% CI 1.60 to 33.7; p=0.02). A significant smoking history further increases the risk of EGN among patients with OLGIM stages II–IV. Conclusions We suggest a risk-stratified approach and recommend that high-risk patients (OLGIM III–IV) have endoscopic surveillance in 2 years, intermediate-risk patients (OLGIM II) in 5 years.
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