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  • Title: The Feasibility of Thrombolysis Followed with Ultrasound-Guided Percutaneous Transluminal Balloon Angioplasty in Acutely and Sub-Acutely Thrombosed Arteriovenous Fistulas.
    Author: Wang J, Wu H, Li Z, Lei T, Zhou W, Yan W, Liu H, He L.
    Journal: Iran J Kidney Dis; 2024 Oct 18; 18(5):. PubMed ID: 39423113.
    Abstract:
    INTRODUCTION: Prompt resolution of arteriovenous fistula (AVF) thrombosis is essential to minimize the need for temporary dialysis catheters. Identifying the ideal timing for the management of thrombosed arteriovenous fistula (AVF) is an area that has not been thoroughly explored. Herein, we examined a local infusion of urokinase for thrombolysis followed by ultrasound-guided percutaneous transluminal balloon angioplasty (PTA) in acute and subacute AVF thromboses. METHODS: This retrospective cohort research assessed thrombosed AVF in patients referred to the Second Xiangya Hospital. We included patients who underwent local thrombolysis followed by ultrasound-guided PTA treatment between January 1, 2018, and January 1, 2020.  Results. We enrolled the records of 86 patients into the present study, including 44 patients with acute AVF thrombosis (group 1: thrombus age, < 72 hours) and 42 patients with subacute AVF thrombosis (group2: thrombus age, 72 hours to seven days). The thrombolytic success rate was 79.5% in group 1 and 42.9% in group 2 (P < .001). All patients underwent ultrasound-guided PTA to dissolve any residual thrombi regardless of thrombolytic success. Technical success after PTA procedures was achieved in 93.2% of patients in group 1 and 88.1% in group 2 (P = .417). Primary patency at six months was comparable between the two groups (67.5% vs. 64.8%, P = .564). We observed that thrombolytic effect does not affect PTA success rate, and six-month patency rate. CONCLUSION: Direct local infusion of urokinase to the affected area followed by ultrasound-guided PTA constitutes a minimally invasive and effective method for salvaging thrombosed AVF in contrast to abandoning the occluded fistula.
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