What is the efficacy of percutaneous transluminal angioplasty with stent (PTAS) for the treatment of renal artery stenosis (RAS)?

Updated: Nov 02, 2020
  • Author: Bruce S Spinowitz, MD, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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A randomized study by van de Ven et al that compared percutaneous transluminal angioplasty (PTA) for ostial ATH with PTA with stent (PTAS) showed that PTAS is a better technique compared to PTA to achieve vessel patency in ostial atherosclerotic renal artery stenosis. [38] The primary success rate was 57% for PTA compared with 88% for PTAS. The restenosis rate after a successful primary procedure was 48% for PTA versus 14% for PTAS. In the last few years, the use of PTAS in patients with ostial stenosis or early restenosis has led to a considerable reduction in the restenosis rate.

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