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Diagn Interv Imaging · Jan 2019
Safety and effectiveness of combined scoring balloon and paclitaxel-coated balloon angioplasty for stenosis in the hemodialysis access circuit.
- J Zheng, J Cui, J Meiyan Qing, and Z Irani.
- Department of Radiology, Shengjing Hospital of China Medical University, 110004 Shenyang, China.
- Diagn Interv Imaging. 2019 Jan 1; 100 (1): 31-37.
PurposeTo evaluate the safety and effectiveness of combined scoring balloon (SB) and paclitaxel-coated balloon (PCB) angioplasty for stenosis in the dysfunctional hemodialysis access circuit.Material And MethodsPatients were referred from outpatient dialysis centers by their nephrologists because of dysfunctional dialysis access circuit. Fistulogram/graftogram was performed by experienced interventional radiologists. Those with in-stent stenosis, stent edge stenosis or vessel diameter at the culprit segment larger than 6mm were excluded. Angioplasty of the stenotic segment was performed with SB and followed by PCB. All study outcomes were defined according to the Society of Interventional Radiology technology assessment committee reporting standards for percutaneous interventional procedures in dialysis access circuit.ResultsA total of 23 patients received combined SB/PCB angioplasty for stenosis of hemodialysis access circuit which included 15 fistulas and 8 grafts. There were 10 men and 13 women with a mean age of 63.3±2.7 (SD) years (range: 37-85years). The technical success and clinical success rates were both 100%. There were no complications during or after the procedures. The target lesion primary patency rates at 3, 6 and 12months were 91.3%, 69.6%, and 45.2%, respectively and the estimated median target lesion restenosis (TLR) free duration was 11.0months (95% confidence interval [CI]: 5.1-16.9months). In patients with a recurrent stenosis, the median TLR-free duration of combined angioplasty was significantly higher than that of prior angioplasty with plain balloon (10.2months [95% CI: 6.4-14.0months] vs. 4.2months [95%CI: 2.1-6.4months]) (P=0.047). The mean TLR-free duration was significantly higher in patients with a juxta-anastomotic stenosis than those with non-juxta-anastomotic lesion (21.3months [95% CI: 14.7-28.0months] vs. 8.2months [95% CI: 5.1-11.4months]) (P=0.004).ConclusionCombined SB/PCB angioplasty is safe and effective for the hemodialysis access stenosis.Copyright © 2018. Published by Elsevier Masson SAS.
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