GUT: 非酒精性脂肪肝患者发生肝外癌症的风险增加

2021-03-24 MedSci原创 MedSci原创

非酒精性脂肪肝目前的发病率越来越高,有专家估计此病影响到约占世界人口的30%,NAFLD不仅限于严重的肝相关并发症(肝硬化,肝衰竭或肝细胞癌(HCC))。

      非酒精性脂肪肝目前的发病率越来越高,有专家估计此病影响到约占世界30%的人口,NAFLD包括严重的肝相关并发症比如肝硬化,肝衰竭或肝细胞癌(HCC)等等,而癌症是非酒精性脂肪肝的主要死亡原因,在所有肝外癌症中,NAFLD与罹患某些肝外癌症(尤其是结直肠癌)的风险明显升高。对此,研究人员对文献中关于非酒精性脂肪肝和癌症的研究进行了荟萃分析,以量化非酒精性脂肪性肝病(NAFLD)与肝外癌症风险之间的关联程度。

 

      截止到2020年12月30日,研究人员使用预先定义的关键字系统搜索了PubMed,Scopus和Web of Science数据库,以识别在个体中进行的观察性队列研究,NAFLD的诊断是通过影像学技术或国际疾病分类代码诊断的,并排除了未经过活检证实的NAFLD的研究。最后研究人员共收集了10项队列研究,对182202名中年人(NAFLD占24.8%)和8485例肝外癌事件进行了随访,随访平均时间为5.8年。

 

      研究结果显示NAFLD对胃肠道癌(食管癌,胃癌胰腺癌或结直肠癌)的发生风险增加了近1.5倍至2倍。此外,NAFLD与罹患肺癌,乳腺癌,妇科或泌尿系统癌症的风险增加约1.2倍至1.5倍。所有风险均不受年龄,性别,吸烟,肥胖,糖尿病或其他潜在混杂因素的影响。

纳入的10项队列研究的异质性相对一致,结果可靠

 

      这项大型的荟萃分析表明,NAFLD与近6年内发生肝外癌(尤其是胃肠道癌,乳腺癌和妇科癌)的长期风险增加有关。需要进一步的研究来破译NAFLD与癌症发展之间的复杂联系。

 

 

原始出处:

Alessandro Mantovani. Et al. Non-alcoholic fatty liver disease and increased risk of incident extrahepatic cancers: a meta-analysis of observational cohort studies. GUT.2021.

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    2021-05-28 苏小雨

    下载学习,谢谢

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    2021-04-30 MedSciZeng

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