期刊
RADIOLOGY
卷 279, 期 3, 页码 943-951出版社
RADIOLOGICAL SOC NORTH AMERICA
DOI: 10.1148/radiol.2015150369
关键词
-
资金
- National Natural Science Foundation of China [81371656]
Purpose: To determine whether posttransjugular intrahepatic portosystemic shunt (TIPS) placement anticoagulation therapy could benefit patients with cirrhosis and portal vein thrombosis (PVT) from the perspective of a change in portal vein patency status and clinical outcomes. Materials and Methods: The study was approved by the institutional review board, and informed consent was obtained from each patient. From October 2012 to February 2014, patients with cirrhosis and PVT who underwent TIPS placement were randomly assigned to the anticoagulation therapy or control group. All patients were followed at 1, 3, 6, and 12 months after the TIPS procedure. Outcome measures were a change of portal vein patency status and clinical measures including gastrointestinal rebleeding, shunt dysfunction, hepatic encephalopathy, and survival. Student t test, x(2) test, Fisher exact test, Mann-Whitney U test, and logistical regression were applied where appropriate. Results: A total of 64 patients were enrolled in the study, with 31 allocated to the anticoagulation group and 33 allocated to the control group. Overall, thrombi were improved in 61 patients (96.8%) after the procedure. PVT recanalization (ie, complete disappearance; reconstruction of cavernous transformation) was achieved in 26 patients (83.9%) in the anticoagulation therapy group and in 23 (71.8%) patients in tthe control group (P = .252). The presence of a superior mesenteric vein thrombus may help predict recanalization failure (unadjusted relative risk = 0.243; 95% confidence interval: 0.070, 0.843; P = .026). Clinical outcomes were also similar between the two groups. Conclusion: Anticoagulation therapy may not be necessary in certain patients with PVT because TIPS placement alone can achieve a high persistent recanalization rate.
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