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Hepatology. 2015 Jun;61(6):1851-9. doi: 10.1002/hep.27735. Epub 2015 Mar 20.

Increased risk of hepatocellular carcinoma in chronic hepatitis B patients with transient elastography-defined subclinical cirrhosis.

Kim MN1, Kim SU1,2, Kim BK1,2, Park JY1,2, Kim DY1,2, Ahn SH1,2,3, Song KJ4, Park YN5, Han KH1,2,3.

Author information

1
Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
2
Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.
3
Brain Korea 21 Project for Medical Science, Seoul, Korea.
4
Department of Biostatistics, Yonsei University College of Medicine, Seoul, Korea.
5
Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.

Abstract

Early detection of liver cirrhosis in its subclinical stage is of paramount importance to identify high-risk individuals for developing hepatocellular carcinoma (HCC). This study investigated whether transient elastography (TE) can identify patients with subclinical cirrhosis (SCC) who are at increased risk of developing HCC among chronic hepatitis B (CHB) patients without clinical evidence of cirrhosis. A total of 2,876 CHB patients without clinical cirrhosis who received TE examinations between April 2006 and December 2012 were enrolled in this prospective study. SCC was defined as a nonclinical cirrhosis, but with a liver stiffness (LS) value ≥13 kilopascals (kPa). Mean age of the study population was 46.1 years, and male gender was predominant (n = 1,775; 61.7%). Mean LS value was 7.9 kPa, and SCC was identified in 285 (9.9%) patients. During the median follow-up period of 48.9 months (range, 6.6-96.2), HCC developed in 16 patients (13.3 per 1,000 person-years) in the SCC group and 36 (3.4 per 1,000 person-years) in the non-SCC group. Cumulative incidence rate of HCC in the SCC group was significantly higher than that in the non-SCC group (P < 0.001, log-rank test). On multivariate analysis, SCC was independently associated with a risk of developing HCC, regardless of antiviral therapy (without antiviral therapy: hazard ratio [HR]: 4.680; 95% confidence interval [CI]: 1.187-18.441; P = 0.027; with antiviral therapy: HR, 3.344; 95% CI: 1.526-7.328; P = 0.003).

CONCLUSION:

TE can identify CHB patients with SCC who are at increased risk of developing HCC, even when cirrhosis is not clinically apparent.

PMID:
25643638
DOI:
10.1002/hep.27735
[Indexed for MEDLINE]

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