Hashem B El-Serag, Aaron P Thrift, Hao Duong, Jing Ning, Saira Khaderi, Amit G Singal, Sumeet K Asrani, Jorge A Marrero, Hannah Powell, Kinza Rizwan, Omar Najjar, Christopher I Amos, Michelle Luster, Abeer Al-Sarraj, Emad Salem, Michael E Scheurer, Jagpreet Chhatwal, Salma Kaochar, Fasiha Kanwal
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引用次数: 0
Abstract
Background: Previous studies have reported higher circulating bile acid levels in patients with HCC compared to healthy controls. However, the association between prediagnostic bile acid levels and HCC risk among patients with cirrhosis is unclear.
Methods: We measured total BA (TBA) concentration in serum samples collected from a prospective cohort of patients with cirrhosis who were followed until the development of HCC, death, or last study date. Competing risk proportional hazard-adjusted models were used to estimate the association between tertiles of serum TBA levels and the risk of developing HCC. We quantified the incremental predictive value of serum bile acid when added to a previously validated clinical model.
Results: We analyzed data from 940 patients with cirrhosis, of whom 68 patients progressed to HCC during 3406 person-years of follow-up. Higher baseline serum TBA level was significantly associated with an increased risk of developing HCC with an adjusted HR of 3.69 (95% CI = 1.85-7.37) for the highest versus lowest tertile. TBA levels significantly increased predictive ability for progression to HCC at 2 years of follow-up; the c statistic increased from 0.74 to 0.80 (p < 0.001). There was evidence for a significant interaction between TBA level and hepatitis C (p = 0.04).
Conclusions: In a large prospective cohort study, the prediagnostic serum level of TBAs was associated with a significant increase in the risk of developing HCC among patients with multi-etiology cirrhosis. The TBA-associated risk was additive to that of established demographic and clinical predictors.
期刊介绍:
Hepatology Communications is a peer-reviewed, online-only, open access journal for fast dissemination of high quality basic, translational, and clinical research in hepatology. Hepatology Communications maintains high standard and rigorous peer review. Because of its open access nature, authors retain the copyright to their works, all articles are immediately available and free to read and share, and it is fully compliant with funder and institutional mandates. The journal is committed to fast publication and author satisfaction.