Department of Medicine, University of Arizona College of Medicine, Phoenix, AZ, USA.
University of Arizona College of Medicine, 1441 N 12th Street, Floor 2, Phoenix, AZ, 85006, USA.
Dig Dis Sci. 2023 Sep;68(9):3765-3773. doi: 10.1007/s10620-023-07987-1. Epub 2023 Jul 1.
BACKGROUND: 25% of US adults have nonalcoholic fatty liver disease (NAFLD). The independent association between hepatic fibrosis and cardiovascular disease remains controversial. Metabolic dysfunction-associated fatty liver disease (MAFLD) precisely characterizes hepatic steatosis. AIM: We aimed to determine if degree of hepatic fibrosis, with differing metabolic risk factors, is associated with presence of coronary artery disease (CAD). METHODS: Retrospective review of patients with hepatic steatosis at a single center from January 2016-October 2020 was performed. MAFLD diagnosis was based on presence of fatty liver disease and metabolic factors. Descriptive statistics and stepwise multivariable logistic regression were performed. RESULTS: 5288 patients with hepatic steatosis were included. 2821 patients with steatosis and metabolic risks were classified as NAFLD-MAFLD. 1245 patients with steatosis without metabolic risks were classified as non-MAFLD NAFLD. 812 patients with metabolic risks and other liver disease and were classified as non-NAFLD MAFLD. On Multivariate analysis, Fib-4 ≥ 2.67 was an independent risk factor for CAD in the overall fatty liver disease and NAFLD-MAFLD groups. Fib-4 as a continuous variable showed linear association with CAD risk in the overall fatty liver disease, Non-MAFLD NAFLD and NAFLD-MAFLD groups, at Fib-4 values below 2.67. CONCLUSION: Fib-4 ≥ 2.67 is independently predicts concomitant CAD in patients with hepatic steatosis. Fib-4, at levels below 2.67, is significantly associated with concomitant CAD in the all fatty liver disease, Non-MAFLD NAFLD, and NAFLD-MAFLD groups. Emphasizing clinical phenotypes and Fib-4 levels may help target those with an increased risk for CAD.
背景:25%的美国成年人患有非酒精性脂肪性肝病(NAFLD)。肝纤维化与心血管疾病之间的独立关联仍存在争议。代谢相关脂肪性肝病(MAFLD)准确地描述了肝脂肪变性。 目的:我们旨在确定不同代谢危险因素的肝纤维化程度是否与冠状动脉疾病(CAD)的存在相关。 方法:对 2016 年 1 月至 2020 年 10 月在单一中心患有肝脂肪变性的患者进行回顾性研究。MAFLD 的诊断基于存在脂肪性肝病和代谢因素。进行描述性统计和逐步多变量逻辑回归分析。 结果:共纳入 5288 例肝脂肪变性患者。2821 例有脂肪变性和代谢风险的患者被归类为 NAFLD-MAFLD。1245 例无代谢风险的有脂肪变性的患者被归类为非-MAFLD NAFLD。812 例有代谢风险和其他肝病的患者被归类为非 NAFLD MAFLD。多变量分析显示,Fib-4≥2.67 是所有脂肪性肝病和 NAFLD-MAFLD 组 CAD 的独立危险因素。Fib-4 作为连续变量,在整个脂肪性肝病、非-MAFLD NAFLD 和 NAFLD-MAFLD 组中,在 Fib-4 值低于 2.67 时,与 CAD 风险呈线性关联。 结论:Fib-4≥2.67 独立预测肝脂肪变性患者并发 CAD。在整个脂肪性肝病、非 MAFLD NAFLD 和 NAFLD-MAFLD 组中,Fib-4 值低于 2.67 时,与 CAD 显著相关。强调临床表型和 Fib-4 水平可能有助于确定 CAD 风险增加的患者。
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