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  • Title: Expanded PTFE-covered stent-grafts in the treatment of transjugular intrahepatic portosystemic shunt (TIPS) stenoses and occlusions.
    Author: Echenagusia M, Rodriguez-Rosales G, Simo G, Camuñez F, Bañares R, Echenagusia A.
    Journal: Abdom Imaging; 2005; 30(6):750-4. PubMed ID: 16245017.
    Abstract:
    BACKGROUND: We evaluated the efficacy of the VIATORR endoprosthesis for the management of transjugular intrahepatic portosystemic shunt (TIPS) dysfunction. METHODS: Twelve consecutive patients (10 men and two women, mean age 52.7 years) with recurrent TIPS dysfunction underwent TIPS revision with use of the VIATORR endoprosthesis. Nine patients were asymptomatic and three patients had developed recurrent variceal bleeding. All patients had previous shunt revisions (mean 2.1 revisions per patient) with angioplasty or bare stents. Follow-up included clinical assessment, Doppler ultrasound, and portal venography. RESULTS: TIPS revision was successful in all patients, without complications. The mean portosystemic pressure gradient decreased from 16.8 +/- 2.7 mmHg to 6.5 +/- 2.6 mmHg. Hemostasis was achieved in all three patients who had recurrent variceal bleeding at the time of the procedure. Mean follow-up was 21.9 +/- 10.7 months. In two patients TIPS dysfunction occurred at 14 and 30 months after stent-graft placement, respectively. The primary patency rates were 100% after 12 months and 88.8% after 24 months. Two patients (16.6%) developed encephalopathy after stent graft placement. CONCLUSION: TIPS revision using the VIATORR endoprosthesis appears to be an effective and durable method to control shunt dysfunction.
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