Vignali et al identified factors associated with in-stent restenosis of a stented renal artery. Taking these into accounr when stenting a renal artery can reduce the risk of restenosis. The authors are from the University of Pisa.



(1) diameter of the stent in mm

(2) length of the stent in mm


Factors associated with reduced restenosis:

(1) diameter of the stent >= 6 mm

(2) length of the stent from 15 to 20 mm


Stents with both of these factors had the best long-term patency rates.


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