Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jvir.2013.10.020
Title: Randomized clinical trial of cutting balloon angioplasty versus high-pressure balloon angioplasty in hemodialysis arteriovenous fistula stenoses resistant to conventional balloon angioplasty
Authors: Aftab, S.A.
Tay, K.H. 
Irani, F.G.
Gong Lo, R.H.
Gogna, A.
Haaland, B. 
Tan, S.G. 
Chng, S.P.
Pasupathy, S.
Choong, H.L. 
Tan, B.S. 
Issue Date: Feb-2014
Citation: Aftab, S.A., Tay, K.H., Irani, F.G., Gong Lo, R.H., Gogna, A., Haaland, B., Tan, S.G., Chng, S.P., Pasupathy, S., Choong, H.L., Tan, B.S. (2014-02). Randomized clinical trial of cutting balloon angioplasty versus high-pressure balloon angioplasty in hemodialysis arteriovenous fistula stenoses resistant to conventional balloon angioplasty. Journal of Vascular and Interventional Radiology 25 (2) : 190-198. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jvir.2013.10.020
Abstract: Purpose To compare the efficacy and safety of cutting balloon angioplasty (CBA) versus high-pressure balloon angioplasty (HPBA) for the treatment of hemodialysis autogenous fistula stenoses resistant to conventional percutaneous transluminal angioplasty (PTA). Materials and Methods In a prospective, randomized clinical trial involving patients with dysfunctional, stenotic hemodialysis arteriovenous fistulas (AVFs), patients were randomized to receive CBA or HPBA if conventional PTA had suboptimal results (ie, residual stenosis > 30%). A total of 516 patients consented to participate in the study from October 2008 to September 2011, 85% of whom (n = 439) had technically successful conventional PTA. The remaining 71 patients (mean age, 60 y; 49 men) with suboptimal PTA results were eventually randomized: 36 to the CBA arm and 35 to the HPBA arm. Primary and secondary target lesion patencies were determined by Kaplan-Meier analysis. Results Clinical success rates were 100% in both arms. Primary target lesion patency rates at 6 months were 66.4% and 39.9% for CBA and HPBA, respectively (P =.01). Secondary target lesion patency rates at 6 months were 96.5% for CBA and 80.0% for HPBA (P =.03). There was a single major complication of venous perforation following CBA. The 30-day mortality rate was 1.4%, with one non-procedure-related death in the HPBA group. Conclusions Primary and secondary target lesion patency rates of CBA were statistically superior to those of HPBA following suboptimal conventional PTA. For AVF stenoses resistant to conventional PTA, CBA may be a better second-line treatment given its superior patency rates. © 2014 SIR.
Source Title: Journal of Vascular and Interventional Radiology
URI: http://scholarbank.nus.edu.sg/handle/10635/124887
ISSN: 10510443
DOI: 10.1016/j.jvir.2013.10.020
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