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Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (06): 678-683. doi: 10.3877/cma.j.issn.1674-3946.2023.06.025

• Original Articles • Previous Articles     Next Articles

Meta-analysis of risk factors for portal vein thrombosis in patients with cirrhosis

Xian Mo, Chuang Yang()   

  1. Sichuan North Medical College, Nanchong Sichuan Province 637000, China
    Department of Hepatobiliary and Pancreatic Surgery, Sichuan Mental Health Centre-Mianyang Third People's Hospital, Mianyang Sichuan Province 621000, China
  • Received:2023-08-11 Online:2023-12-26 Published:2023-11-06
  • Contact: Chuang Yang

Abstract:

Objective

To investigate the risk factors of portal vein thrombosis (PVT) in liver cirrhosis.

Methods

A computer search was conducted on CNKI, Wanfang, Vipp, CBM, PubMed, Scopus, Web of Science and other databases to review and combine the articles on risk factors related to liver cirrhosis PVT. The search time was up to August 2023, and the Newcastle-Ottawa Scale (NOS) was used for quality evaluation. Stata 15.1 software was used for meta-analysis, and the results were considered statistically significant when P<0.05.

Results

A total of 17 case-control studies were included, including 2 749 cases, 838 cases in the thrombus group and 1 911 cases in the non-thrombus group. The results of meta-analysis suggested that D-dimer [SMD = 1.12, 95% CI (0.76-1.48)], the diameter of portal vein, [SMD = 0.72, 95% CI (0.47-0.96)], portal blood flow velocity [SMD = 1.03, 95%CI(-1.60--0.47)] and spleen thickness [SMD = 0.94, 95%CI (0.52 - 1.35)] were associated with cirrhosis complicated with PVT, and the results were statistically significant. However, platelet count, prothrombin time, activated partial prothrombin time, fibrinogen and total bilirubin levels were not associated with PVT in cirrhosis. The results of sensitivity analysis suggested that the results were stable, and the funnel plot suggested that there was some publication bias.

Conclusion

D-dimer, portal vein diameter, portal vein flow velocity and spleen thickness were risk factors for PVT in cirrhotic patients.

Key words: Liver Cirrhosis, Portal Vein Thrombosis, Risk Factors, Meta-Analysis

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