AJG: 酒精和非酒精性脂肪肝与肝脏相关死亡率的关系

2019-05-20 不详 MedSci原创

酒精性脂肪肝与非酒精性脂肪肝对于肝脏相关死亡率的影响目前还没有定论,因此,本项研究旨在探究非酒精性脂肪肝(NAFLD)和酒精性脂肪肝(AFLD)的纤维化严重程度与肝脏相关的死亡之间的关系。

背景及目的:
酒精性脂肪肝与非酒精性脂肪肝对于肝脏相关死亡率的影响目前还没有定论,因此,本项研究旨在探究非酒精性脂肪肝(NAFLD)和酒精性脂肪肝(AFLD)的纤维化严重程度与肝脏相关的死亡之间的关系。

方法:
研究人员对437828名韩国成年人进行了一项队列研究,随访时间长达14年。基于超声检查确诊肝脏存在脂肪变性; 纤维化严重程度由纤维化评分(FIB-4)确定。通过与国家死亡记录库的数据确定了生命状况和肝脏相关死亡。

结果:
NAFLD和AFLD的患病率分别为20.9%和4.0%。研究期间共出现109例肝脏相关死亡(发病率为3.5 / 100000人年)。当随访期间脂肪肝状态,FIB-4评分和混杂因素的变化更新为随时间变化的协变量时,与参考(不存在过量饮酒和FLD)相比,低,中,高FIB-4评分的肝脏相关死亡率置信区间分别为0.43(0.19-0.94),2.74(1.23-6.06)和84.66(39.05-183.54),而在AFLD患者中,相应的风险比分别为0.67(0.20-2.25),5.44(2.19-13.49)和59.73(27.99-127.46)。这些关联在非肥胖个体中比在肥胖个体中更明显(P = 0.004)。

结论:
具有中度至高度纤维化评分的NAFLD和AFLD以剂量依赖性方式与肝脏相关死亡风险增加相关。

原始出处:
Chang, Yoosoo. Et al. Alcoholic and Nonalcoholic Fatty Liver Disease and Liver-Related Mortality. American Journal of Gastroenterology. 2019.

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