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Case Report

Migration of Ethylene Vinyl Alcohol Co-Polymer in the Urinary Tract Successfully Managed

by
Anna Maria Ierardi
1,
Filippo Pesapane
2,*,
Antonio Arrichiello
1,
Federico Fontana
3,
Filippo Piacentino
3 and
Gianpaolo Carrafiello
4
1
Diagnostic and Interventional Radiology Department, University of Milan, Via di Rudinì 8, 20142 Milan, Italy
2
Postgraduate School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy
3
Radiology Department, Insubria University, Viale Borri 57, 21100 Varese, Italy
4
Radiology Department, Foundation IRCCS Cà Granda-Ospedale Maggiore Policlinico, Via Francesco Sforza 28, 20122 Milan, Italy
*
Author to whom correspondence should be addressed.
Medicina 2019, 55(6), 234; https://doi.org/10.3390/medicina55060234
Submission received: 22 March 2019 / Revised: 9 May 2019 / Accepted: 28 May 2019 / Published: 31 May 2019

Abstract

Selective embolization is the treatment of choice for traumatic renal pseudoaneurysm. The use of ethylene vinyl alcohol copolymer (EVOH) was recently described as an embolic agent in peripheral lesions. The aim of a good embolic agent is to: achieve rapid and effective embolization; reach and fill distal vasculature targeted for embolization; be easy to prepare and use. Moreover, it should be highly radiopaque, controllable during administration, biocompatible and cost-effective. EVOH is a non-adhesive embolic agent and its efficacy is independent from the coagulant status. The risk of non-targeted embolization should be reduced by the good radio-opacity of the embolic material that is injected under continuous fluoroscopy. Nevertheless, symptomatic EVOH migration was described. We report a unique case of embolization of a renal pseudoaneurysm and migration of EVOH in the urinary tract. Retrograde trans-urethral removal of the migrated embolic agent was successfully performed. Our case report indicates that EVOH may not be appropriate when a fistula with renal calyx is suspected, even if its migration in the urinary tract may be managed.
Keywords: interventional radiology; EVOH; onyx; pseudoaneurysm; migration; complication interventional radiology; EVOH; onyx; pseudoaneurysm; migration; complication

Share and Cite

MDPI and ACS Style

Ierardi, A.M.; Pesapane, F.; Arrichiello, A.; Fontana, F.; Piacentino, F.; Carrafiello, G. Migration of Ethylene Vinyl Alcohol Co-Polymer in the Urinary Tract Successfully Managed. Medicina 2019, 55, 234. https://doi.org/10.3390/medicina55060234

AMA Style

Ierardi AM, Pesapane F, Arrichiello A, Fontana F, Piacentino F, Carrafiello G. Migration of Ethylene Vinyl Alcohol Co-Polymer in the Urinary Tract Successfully Managed. Medicina. 2019; 55(6):234. https://doi.org/10.3390/medicina55060234

Chicago/Turabian Style

Ierardi, Anna Maria, Filippo Pesapane, Antonio Arrichiello, Federico Fontana, Filippo Piacentino, and Gianpaolo Carrafiello. 2019. "Migration of Ethylene Vinyl Alcohol Co-Polymer in the Urinary Tract Successfully Managed" Medicina 55, no. 6: 234. https://doi.org/10.3390/medicina55060234

APA Style

Ierardi, A. M., Pesapane, F., Arrichiello, A., Fontana, F., Piacentino, F., & Carrafiello, G. (2019). Migration of Ethylene Vinyl Alcohol Co-Polymer in the Urinary Tract Successfully Managed. Medicina, 55(6), 234. https://doi.org/10.3390/medicina55060234

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