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Stent-grafts for the treatment of TIPS dysfunction: fluency stent vs Wallgraft stent
Xue-Feng Luo1, Ling Nie, Zhu Wang
1Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
Aim:
To evaluate the clinical efficacy of an expanded polytetrafluoro-ethylene-covered Fluency stent compared with that of a polyethylene terephthalate-covered Wallgraft stent for the management of transjugular intrahepatic portosystemic shunt (TIPS) dysfunction.
Methods:
A retrospective review of patients who underwent TIPS revision with stent-grafts between May 2007 and June 2011 was conducted. The patients were divided into two groups according to the stent-grafts implanted: the Fluency stent (Bard Incorporated, Karlsruhe, Germany) and the Wallgraft stent (Boston Scientific, Galway, Ireland). The primary patency rates were calculated and compared using the Kaplan-Meier method.
Results:
A total of 73 patients were evaluated in this study: 33 with Fluency stents and 40 with Wallgraft stents. The primary patency rates at 12 and 24 mo were 91% and 85%, respectively, in the Fluency stent group and 78% and 63%, respectively, in the Wallgraft stent group. The primary shunt patency rates after TIPS revision were significantly better with the Fluency stent than with the Wallgraft stent (P = 0.033).
Conclusion:
TIPS revision with the Fluency stent has higher medium-term patency rates than that with the Wallgraft stent.
