Hepatol Res:MAFLD对幽门螺杆菌阴性胃癌发病率的影响

2024-01-05 xuyihan MedSci原创 发表于上海

MAFLD是影响HPNGC发生的独立因素。脂肪肝和代谢紊乱可能参与了HPNGC的发病过程。

胃癌是全球第5大常见癌症和第4大癌症相关死亡原因。幽门螺杆菌感染是胃癌的主要致病因素之一。然而,随着卫生环境的改善,人们对幽门螺旋杆菌根除治疗的认识不断提高,幽门螺旋杆菌感染率有所下降,尤其是在年轻人中。幽门螺杆菌感染的预防和治疗取得了显著进展,幽门螺杆菌阳性胃癌的发病率有望下降。幽门螺杆菌阴性胃癌(HPNGC)的发病率在全球范围内呈上升趋势。一项英国生物样本库大型队列的研究表明,代谢功能障碍相关脂肪性肝病(MAFLD)与肝和肝外癌症(包括食管癌胆囊癌胰腺癌直肠癌)的风险增加相关,但其与HPNGC的关系尚未见报道。本研究旨在确定与包括MAFLD在内的HPNGC相关的重要独立因素。

本研究为多中心观察性队列研究,纳入胃癌患者(n=1078)和健康体检者(n=17408)。我们分析了26例HPNGC患者(n=26)和1130例上消化道内镜检查无幽门螺杆菌感染或异常的健康参与者(n=1130)。采用logistic回归模型确定与HPNGC相关的独立因素。根据国际专家组提出的标准,MAFLD的诊断是基于脂肪肝证据和以下之一:肥胖、2型糖尿病或非肥胖伴代谢紊乱。采用决策树算法和随机森林分析评估与HPNGC相关的因素的优先级。

 

在所有胃癌患者中,HPNGC的发生率为2.4%。在logistic回归分析中,年龄、吸烟和MAFLD被确定为与HPNGC相关的独立因素。在决策树分析中,MAFLD也被确定为HPNGC存在的最重要分类器。有MAFLD的患者中有5.2%发生了HPNGC,无MAFLD的患者中有0.8%发生了HPNGC。在HPNGC的随机森林分析中,MAFLD是变量重要性最高的区分因子(0.32)。

 

本研究发现,MAFLD是影响HPNGC发生的独立因素。脂肪肝和代谢紊乱可能参与了HPNGC的发病过程。

原文出处:

Nakane T, Fukunaga S, Nakano D, Tsutsumi T, Tanaka H, Chou T, Minami S, Ohuchi A, Nagata T, Takaki K, Takaki H, Miyajima I, Nouno R, Yoshinaga S, Mukasa M, Okabe Y, Kawaguchi T. Impact of MAFLD on the Incidence of Helicobacter pylori-negative Gastric Cancer. Hepatol Res. 2023 Dec 29. doi: 10.1111/hepr.14010. Epub ahead of print. PMID: 38156966.

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