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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 38 Issue 5
May  2022
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Article Contents

Influence of artificial liver support system therapy on platelet in treatment of hepatitis B virus-related acute-on-chronic liver failure

DOI: 10.3969/j.issn.1001-5256.2022.05.015
Research funding:

Natural Science Foundation of China(General Program) (82070611);

Sun Yat-Sen University Clinical Research 5010 Program (2020007)

More Information
  • Corresponding author: PENG Liang, pliang@mail.sysu.edu.cn(ORCID: 0000-0001-6184-5750)
  • Received Date: 2022-01-14
  • Accepted Date: 2022-02-15
  • Published Date: 2022-05-20
  •   Objective  To investigate the changing trend of platelet count (PLT) and related influencing factors in patients with hepatitis B virus-related chronic-on-acute liver failure (HBV-ACLF) after artificial liver support system (ALSS) therapy.  Methods  A total of 152 patients with HBV-ACLF who were hospitalized and treated in The Third Affiliated Hospital of Sun Yat-Sen University from January 2018 to November 2021 were included in the study, among whom 102 patients received plasma exchange (PE) and 50 patients received double plasma molecular absorption system combined with low-dose PE, and their clinical data and laboratory marker were measured. The independent samples t-test or the Mann-Whitney U test was used for the comparison of continuous data between two groups, and the chi-square test was used for the comparison of categorical data between two groups; a multivariate logistic regression analysis was used to investigate the risk factors for PLT > 50×109/L after ALSS therapy; the receiver operating characteristic (ROC) curve was used to investigate the value of baseline PLT in predicting PLT > 50×109/L after ALSS therapy.  Results  The patients were mostly middle-aged male adults; among the 152 patients, 70 (46.1%) had liver cirrhosis on admission, 114 (75.0%) received three sessions of ALSS therapy, and 88% had a baseline PLT count of > 50×109/L. There was a significant reduction in PLT from baseline to after ALSS therapy (79.5±47.7 vs 112.5±64.1, t=4.965, P < 0.001), and at 1 week after treatment, PLT increased to the baseline level (97.2±50.7 vs 112.5±64.1, t=1.787, P=0.075). As for the change in PLT from baseline to 1 week after ALSS therapy, the liver cirrhosis group had a significantly greater reduction in PLT than the non-liver cirrhosis group (U=1986.5, P=0.026), while there was no significant difference between different procedures of ALSS therapy and different sessions of treatment (3-5 sessions) (all P > 0.05). The multivariate logistic regression analysis showed that cirrhosis (odds ratio [OR]=3.097, 95% confidence interval [CI]: 1.255-7.645, P=0.014) and PLT > 50×109/L at baseline (OR=0.019, 95%CI: 0.002-0.154, P < 0.001) were independent risk factors for PLT > 50×109/L after ALSS therapy. The ROC curve analysis of baseline PLT showed that PLT > 80.5×109/L at baseline was the optimal cut-off value affecting PLT > 50×109/L after treatment, with an area under the ROC curve of 0.818.  Conclusion  The influence of ALSS therapy on PLT is temporary, but cirrhotic patients have a weaker PLT generation ability than non-cirrhotic patients. PLT > 80.5×109/L at baseline is the optimal cut-off value to reduce the risk of bleeding after ALSS therapy.

     

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