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Impact of viral hepatitis B status on outcomes of intrahepatic cholangiocarcinoma: a meta-analysis

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Abstract

Background and aims

To estimate the impact of viral hepatitis B status on outcomes of intrahepatic cholangiocarcinoma.

Methods

We searched Pubmed and Embase for original articles that evaluated the impact of hepatitis B virus infection on outcomes of intrahepatic cholangiocarcinoma. The present study was conducted to generate odd ratios (ORs) with 95% confidence intervals (CIs) for pre-identified prognostic factors, overall survival, and recurrence.

Results

From 438 studies, we identified eight articles that compared outcomes between hepatitis B virus-infected patients and the others. In terms of clinicopathological characteristics, patients in the hepatitis B virus group significantly demonstrated single nodular tumor (OR 0.7; 95% CI 0.5–0.9; p = 0.01), infrequent lymph node metastasis (OR 0.5; 95% CI 0.3–0.6; p < 0.01), and infrequent perineural infiltration (OR 0.3; 95% CI 0.2–0.8; p < 0.01). No significant between-group differences were found in tumor diameter, vascular invasion, and tumor differentiation. Previous or temporary infection (seropositivity for hepatitis B core antibody) revealed no significant impact on clinicopathological characteristics. For survival outcomes, meta-analysis demonstrated that hepatitis B virus group had significantly better overall survival, recurrence rate, and median survival (p < 0.01).

Conclusions

Our results suggest that hepatitis B virus infection is a powerful predictor of favorable survival outcomes for intrahepatic cholangiocarcinoma and significantly affects clinicopathological characteristics. Viral hepatitis B status needs to be taken into account and then establish therapeutic approaches.

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Acknowledgements

This study was supported by Intrahepatic Cholangiocarcinoma Clinical Cohort Research Program, National Key Research on Precision Medicine of China (2017YFC0908102), National Natural Science Foundation of China (81772507), and Technological Innovation and Action Project of the Shanghai Science and Technology Commission (15411950401).

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Authors

Contributions

All authors: Study concept and design; drafting of the manuscript; acquisition of data; analysis and interpretation of data. SJ, LC, QX: Critical revision of the manuscript for important intellectual content.

Corresponding authors

Correspondence to Lei Chen or Qiang Xia.

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Conflict of interest

Seogsong Jeong, Guijuan Luo, Zhi-Heng Wang, Meng Sha, Lei Chen and Qiang Xia declare no conflict of interest.

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Jeong, S., Luo, G., Wang, ZH. et al. Impact of viral hepatitis B status on outcomes of intrahepatic cholangiocarcinoma: a meta-analysis. Hepatol Int 12, 330–338 (2018). https://doi.org/10.1007/s12072-018-9881-y

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  • DOI: https://doi.org/10.1007/s12072-018-9881-y

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