Changes in gut microbiota after transjugular intrahepatic portosystemic shunt in cirrhotic patients with mild hepatic encephalopathy in different prognosis groups

Menghao LI; Kai LI; Shihao TANG; Zhengyu WANG; Wengang GUO; Zhanxin YIN; Guohong HAN

doi:10.3969/j.issn.1001-5256.2021.02.016

Volume 37 Issue 2

Mar. 2021

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Article Navigation > Journal of Clinical Hepatology > 2021 > 37(2): 326-330

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Changes in gut microbiota after transjugular intrahepatic portosystemic shunt in cirrhotic patients with mild hepatic encephalopathy in different prognosis groups

DOI: 10.3969/j.issn.1001-5256.2021.02.016

Department of Liver Disease and Digestive Interventional Radiology, Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an 710032, China

Received Date: 2020-09-13
Accepted Date: 2020-09-30
Published Date: 2021-02-20

Abstract

Abstract

Objective To investigate the changes in gut microbiota after transjugular intrahepatic portosystemic shunt (TIPS) in cirrhotic patients with mild hepatic encephalopathy (MHE) in different prognosis groups. Methods A total of 28 MHE cirrhotic patients who were hospitalized and underwent TIPS in Xijing Hospital of Digestive Diseases from July 2016 to July 2017 were enrolled. Fecal samples and related clinical data were collected on days 1-3 before surgery and at 1 month after surgery. According to the prognosis after surgery, the patients were divided into none-hepatic encephalopathy (HE) group with 8 patients, MHE group with 12 patients, and overt hepatic encephalopathy (OHE) group with 8 patients. Fecal samples were analyzed by 16S rRNA sequencing to obtain the relative abundance of gut microbiota, and SPSS and R packages were used to analyze the biodiversity, postoperative changes, and differences in such changes of gut microbiota at the genus level between groups. The chi-square test was used for comparison of categorical data between groups; the Kruskal-Wallis H test was used for comparison of continuous data between three groups; the Bonferroni method was used for multiple comparisons of multiple samples; the Wilcoxon signed-rank test was used for comparison before and after surgery within each group. For microbiome beta-diversity analyses, a principal coordinate analysis (PCoA) was performed based on Bray-Curtis distance matrix, and the Adonis method (PerMANOVA) was used for comparison between groups. Results PCoA based on Bray-Curtis distance matrix showed that only the MHE group had a significant change in beta diversity after surgery (F=2.71, P=0.049). After surgery, the non-HE group had significant increases in the abundance of the native flora Dialister, Coprococcus, Ruminococcaceae_uncultured, Flavonifractor, and Clostridium_sensu_stricto_1 (Z=2.521, 2.1, 2.1, 2.1, and 1.96, all P < 0.05); the MHE group had significant reductions in the abundance of the harmful flora Granulicatella(Z=2.521, P=0.012), Enterococcus(Z=2.51, P=0.012), Streptococcus(Z=2.432, P=0.015), and Rothia(Z=2.001, P=0.045) and significant increases in the abundance of Veillonella(Z=2.353, P=0.019) and Megasphaera(Z=1.955, P=0.05); the OHE group only had a significant increase in the abundance of Veillonella after surgery (Z=2.38, P=0.017). There was a significant difference in the change in gut microbiota (postoperative abundance/preoperative abundance) between the non-HE group, the MHE group, and the OHE group [2.00 (1.11-91.61) vs 1.21 (0.26-6.79) vs 0.09 (0.01-0.92), χ²=6.249, P=0.043]. Conclusion There is a significant difference in the change in gut microbiota after TIPS between patients with different prognoses, and the increase in the abundance of native flora may have a certain influence on the remission of MHE.
- Liver Cirrhosis,
- Hepatic Encephalopathy,
- Portasystemic Shunt, Transjugular Intrahepatic,
- Gastrointestinal Microbiome

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Changes in gut microbiota after transjugular intrahepatic portosystemic shunt in cirrhotic patients with mild hepatic encephalopathy in different prognosis groups

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Changes in gut microbiota after transjugular intrahepatic portosystemic shunt in cirrhotic patients with mild hepatic encephalopathy in different prognosis groups

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