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Endovascular Embolization of Visceral Artery Aneurysms with Ethylene-vinyl Alcohol (Onyx): A Case Series

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Abstract

We report the application of the liquid embolic agent ethylene-vinyl alcohol (Onyx; MicroTherapeutics, Irvine, CA, USA) in the management of visceral artery aneurysms. The technique and indications for using Onyx are discussed with emphasis on the management of wide-necked aneurysms and maintenance of patency of the parent vessel. None of the cases was considered suitable for stent-grafting or embolization with conventional agents. Two aneurysms of the renal artery bifurcation and one aneurysm of the inferior pancreaticoduodenal artery were treated. Following treatment there was complete exclusion of all aneurysms. There was no evidence of end-organ infarction. Follow-up with intervals up to 6 months has shown sustained aneurysm exclusion. Onyx is known to be effective in the management of intracranial aneurysms. Our experience demonstrates the efficacy and applicability of the use of Onyx in the treatment of complex visceral artery aneurysms.

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Authors and Affiliations

  1. Department of Radiology, St. George’s Hospital, Ground Floor, St. James’ Wing, Blackshaw Road, Tooting, London, SW17 0JT, UK

    M.J. Bratby, E.D. Lehmann, R.A. Morgan & A.-M. Belli

  2. Department of Radiology, The Leeds Teaching Hospitals NHS Trust, Leeds, UK

    J. Bottomley, D.O. Kessel, A.A. Nicholson & S.J. McPherson

Authors
  1. M.J. Bratby
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  2. E.D. Lehmann
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  3. J. Bottomley
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  4. D.O. Kessel
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  5. A.A. Nicholson
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  6. S.J. McPherson
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  7. R.A. Morgan
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  8. A.-M. Belli
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Correspondence to A.-M. Belli.

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Bratby, M., Lehmann, E., Bottomley, J. et al. Endovascular Embolization of Visceral Artery Aneurysms with Ethylene-vinyl Alcohol (Onyx): A Case Series. Cardiovasc Intervent Radiol 29, 1125–1128 (2006). https://doi.org/10.1007/s00270-005-0148-3

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  • DOI: https://doi.org/10.1007/s00270-005-0148-3

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