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Am J Kidney Dis. 2013 Jun;61(6):984-7. doi: 10.1053/j.ajkd.2012.12.021. Epub 2013 Feb 9.

Polymer embolization from minimally invasive interventions.

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  • 1Department of Nephrology, Louisiana State University Health Sciences Center, Shreveport, LA 71130, USA.


Many of the tools used in interventional nephrology, such as glidewires and sheaths, are coated with a hydrophilic polymer to increase their lubricity; however, this polymer can shear off, which causes polymer embolization. We describe 3 cases in which polymer emboli were found on histopathologic examination in an arteriovenous graft, a transplanted kidney, and the myocardium. A review of the literature shows that although most of these phenomena are benign, in some patients, it may present with significant morbidity.

Copyright © 2013 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.

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