Document Detail

Initial clinical experience using the Amplatzer Vascular Plug.
MedLine Citation:
PMID:  17497066     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND PURPOSE: The Amplatzer Vascular Plug (AVP) is a self-expanding nitinol wire mesh vascular embolization device derived from the Amplatz septal occluder. We assessed the results of vascular embolization obtained using the AVP. METHODS: A retrospective review was carried out of 23 consecutive cases of vascular embolization using the AVP in a variety of different clinical settings. The AVP was chosen to have a diameter approximately 30-50% greater than the target vessel. The device was delivered via an appropriately sized guide catheter and was released when satisfactorily positioned. Additional embolic agents were used in some cases. RESULTS: All target vessels were successfully occluded with no device malpositioning or malfunction. In 14 (61%) patients the AVP was the sole embolic material. In the remaining patients additional agents were used, particularly in preoperative embolization of highly vascular renal tumors. The AVP does not cause instantaneous thrombosis and in high-flow situations thrombosis typically takes up to 15 min. CONCLUSION: The AVP is a safe, effective embolization device that provides a useful adjunct to the therapeutic armamentarium. It is particularly suited to the treatment of short high-flow vessels where coil migration and catheter dislodgment might occur. In the majority of cases no additional embolic agents are necessary but it may take up to 15 min for complete thrombosis to occur.
David J Tuite; David O Kessel; Anthony A Nicholson; Jai V Patel; Simon J McPherson; David R Shaw
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  Cardiovascular and interventional radiology     Volume:  30     ISSN:  0174-1551     ISO Abbreviation:  Cardiovasc Intervent Radiol     Publication Date:    2007 Jul-Aug
Date Detail:
Created Date:  2007-08-16     Completed Date:  2007-11-30     Revised Date:  2008-05-19    
Medline Journal Info:
Nlm Unique ID:  8003538     Medline TA:  Cardiovasc Intervent Radiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  650-4     Citation Subset:  IM    
Department of Vascular and Interventional Radiology, The Leeds Teaching Hospitals NHS Trust, St. James University Hospital, Beckett Street, Leeds, LS9 7TF, UK.
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MeSH Terms
Aged, 80 and over
Child, Preschool
Embolization, Therapeutic / instrumentation*
Equipment Design
Middle Aged
Retrospective Studies
Surgical Mesh*
Treatment Outcome
Reg. No./Substance:
0/Alloys; 52013-44-2/nitinol
Comment In:
Cardiovasc Intervent Radiol. 2008 Mar-Apr;31(2):444-5   [PMID:  17999109 ]
Cardiovasc Intervent Radiol. 2008 Mar-Apr;31(2):446-7   [PMID:  18060455 ]
Cardiovasc Intervent Radiol. 2008 Mar-Apr;31(2):448-9   [PMID:  18180988 ]

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