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Online ISSN 1827-1847
Zähringer M. 1, Landwehr P. 2
1 Department of Radiology Marienhospital, Stuttgart, Germany
2 Department of Radiology Hannover Vascular Center Diakoniekrankenhaus Henriettenstiftung, Hannover, Germany
Because of higher acute and longterm success rates compared to balloon angioplasty alone percutaneous stent implantation has become an accepted therapy for the treatment of atherosclerotic renal artery stenosis (RAS). Restenosis rates after successful renal stent placement vary from 6% up to 40%, depending on the definition of restenosis, the diameter of the treated vessel segment and comorbidities. There are different techniques of endovascular treatment of in-stent RAS such as plain or cutting balloon angioplasty and the implantation of bare metal, covered or drug eluting stents. This review deals with current treatment options to prevent restenosis after renal artery intervention and with different interventional techniques to treat in-stent RAS.