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Year : 2020  |  Volume : 39  |  Issue : 3  |  Page : 756-763

Outcomes of balloon angioplasty for failing upper extremity dialysis access

Department of Vascular and Endovascular Surgery, Assiut University Hospitals, Assiut, Egypt

Correspondence Address:
MD Mohamed Ibrahim
Department of Vascular and Endovascular Surgery, Assiut University Hospitals, Assiut 71526
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ejs.ejs_69_20

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Background Percutaneous transluminal angioplasty (PTA) is the mainstay of treatment in stenosed hemodialysis access. Being less invasive and outpatient procedure, PTA is a safe and useful intervention to maintain access patency in patients with failing hemodialysis arteriovenous fistulas (AVFs). The aim of this study was to evaluate the efficacy of balloon angioplasty in treatment of patients with failing upper extremity hemodialysis access. Methods This is a prospective study of all adult patients who underwent balloon angioplasty for the treatment of patients with symptoms of a failing dialysis access due to presence of significant stenosis in dialysis access circuit. The study conducted at the Department of Vascular and Endovascular Surgery, Assiut University Hospital (a tertiary referral hospital), between January 2017 and December 2018. Both the primary and assisted primary patency rates were analyzed by the Kaplan-Meier plot method. Results 149 patients underwent PTA for treatment of failing dialysis access symptoms. The most common site of stenosis in our study was the juxta-anastomotic site (49 %). The overall success rate was 96.6%. Balloon angioplasty was performed in all patients without stent placement. Sixteen (10.7%) complications were encountered in the study. At 1 year, the primary patency and the assisted primary patency rates was 60.5% and 80%, respectively. Age of the fistula (P=0.017), presence of multiple lesions (P=0.016), total lesion length >5cm (P=0.030), and diabetes mellitus (P=0.012) were significant independent predictors of loss of primary patency. Conclusions Balloon angioplasty is safe and effective treatment modality for treatment of stenosis in failing hemodialysis access patients with good technical success and acceptable short-term primary patency rates. Repeated interventions are required to maintain patency.

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