| The Hydrodynamic Effect of Bare Platinum Coils versus Hydrogel-Coated Platinum Coils. | |
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MedLine Citation:
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PMID: 20557740 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Summary: HydroCoils (HES) were designed to obtain a better initial aneurysm occlusion and increased durability of endovascular treatment. We compared the immediate hydrodynamic effects of HES versus bare platinum coils (Guglielmi detachable coils, GDC). Intra-aneurysmal pressure and flow were measured with a 0.014 inch guidewire mounted transducer in silicone aneurysms mounted onto a pulsatile flow phantom before and after consecutively coiling with GDC and HES. We evaluated flow using the thermodilution technique along with changes in steady pressure and sudden increases in pressure. We also considered the effect of the coils on the transmission of pressure from the parent artery to the dome of the aneurysm. Intra-aneurysmal pressure remained unchanged after maximal packing with either GDC or HES. Sudden increases in pressure were less attenuated within the aneurysm after coiling with HES. In spite of HES obtaining a much higher percentage filling volume in the aneurysms, GDC equivalently virtually abolished intra-aneurysmal flow apart from in one instance where there was significant persistent flow after coiling with GDC. The effects of HES in terms of pressure and flow attenuation within the aneurysm could hence not be proven superior to GDC. |
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Authors:
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A Sorteberg; S J Bakke |
Publication Detail:
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Type: Journal Article Date: 2009-01-05 |
Journal Detail:
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Title: Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences Volume: 14 ISSN: 1591-0199 ISO Abbreviation: Interv Neuroradiol Publication Date: 2008 Dec |
Date Detail:
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Created Date: 2010-06-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9602695 Medline TA: Interv Neuroradiol Country: Italy |
Other Details:
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Languages: eng Pagination: 403-13 Citation Subset: - |
Affiliation:
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Department of Neurosurgery, Neuroradiological Section, The National Hospital, Oslo, Norway - angelika.sorteberg@rikshospitalet.no. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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