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  • Title: Endovascular stent-graft treatment for graft-vein anastomotic stenosis in haemodialysis patients with arteriovenous grafts.
    Author: Lin CH, Chen YY, Chua CH, Lu MJ.
    Journal: Vasa; 2015 Nov; 44(6):466-72. PubMed ID: 26515224.
    Abstract:
    BACKGROUND: In this study, we investigated the patency of endovascular stent grafts in haemodialysis patients with arteriovenous grafts, the modes of patency loss, and the risk factors for re-intervention. PATIENTS AND METHODS: Haemodialysis patients with graft-vein anastomotic stenosis of their arteriovenous grafts who were treated with endovascular stent-grafts between 2008 and 2013 were entered into this retrospective study. Primary and secondary patency, modes of patency loss, and risk factors for intervention were recorded. RESULTS: Cumulative circuit primary patency rates decreased from 40.0% at 6 months to 7.3% at 24 months. Cumulative target lesion primary patency rates decreased from 72.1% at 6 months to 22.0% at 24 months. Cumulative secondary patency rates decreased from 81.3% at 12 months to 31.6% at 36 months. Patients with a history of cerebrovascular accident had a significantly higher risk of secondary patency loss, and graft puncture site stenosis jeopardised the results of stent-graft treatment. CONCLUSIONS: Our data can help to improve outcomes in haemodialysis patients treated with stent-grafts for venous anastomosis of an arteriovenous graft.
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