Sci Rep:前瞻性研究,发现NAFLD的预测指标

2017-11-10 佚名 药明康德

近日,来自欧洲多个研究所的科学家们宣布了一项试验结果,描述了一项对近百名芬兰受试者进行的长达11年随访的前瞻性研究。在此研究期间,科学家们检测了受试者的肝脏甘油三酯含量和肝脏硬度的自然变化过程,并确定了哪些基线因素可预测NAFLD。该论文发表在《Scientific Reports》上。

非酒精性脂肪性肝病(NAFLD)正在成为许多国家里最常见的慢性肝病,在美国大约有7500万到1亿的NAFLD患者,在我国亦是慢性肝病的主要负担之一,其治疗方法非常有限。它涵盖了从单纯性的脂肪变性(NAFL)到非酒精性脂肪性肝炎(NASH)以及肝纤维化等一系列疾病。如果能及早预测哪些患者有较高风险,有潜力改善患者将来的病情。

近日,来自欧洲多个研究所的科学家们宣布了一项试验结果,描述了一项对近百名芬兰受试者进行的长达11年随访的前瞻性研究。在此研究期间,科学家们检测了受试者的肝脏甘油三酯含量和肝脏硬度的自然变化过程,并确定了哪些基线因素可预测NAFLD。该论文发表在《Scientific Reports》上。

脂肪变性的自然病程可以用质子磁共振波谱(1H-MRS)来测量,它是最先进的脂肪变性定量技术。而肝纤维化可以利用使用1D超声波瞬态弹性成像术(1D ultrasonography transient elastography, TE)进行无创评估。研究者用1H-MRS测量了97名芬兰人的肝脏脂肪和其他临床指标,随访期中位数是11.3年(7.3年-13.4年)。他们测量了受试者的基线值和在11.3年时的胰岛素抵抗程度。同时,在11.3年时测量了肝硬度。

数据显示,肝脏脂肪含量随时间下降了5%(p <0.05)。基线值和11.3年的值密切相关(r = 0.81,p <0.001)。基线肝脏脂肪(OR 1.32; 95%CI:1.15-1.50)和BMI变化(OR 1.67; 95%CI:1.24-2.25)是11.3年时肝脏脂肪的独立预测因子(AUROC 0.90; 95%CI:0.83- 0.96)。基线肝脏脂肪(AUROC 0.84; 95%CI:0.76-0.92)比常规可用参数(AUROC 0.76; 95%CI:0.65-0.86,p = 0.02)能更准确地预测11.3年的肝脏脂肪。在11.3年时,有29%的受试者肝脏硬度增加。基线肝脏脂肪(OR 2.17; 95%CI:1.05-4.46)是肝硬度增加的独立预测因子。这些数据显示,肝脏脂肪比相关的代谢异常更重要,因为它是未来肝脏脂肪和纤维化的预测指标。

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    2018-05-03 lvygwyt2781
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