Document Detail


Transcatheter manipulation of asymmetrically opened titanium Greenfield filters.
MedLine Citation:
PMID:  8219565     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: The problem of asymmetric opening of the modified hook titanium Greenfield inferior vena cava filter necessitating transcatheter manipulation was evaluated in a retrospective study. PATIENTS AND METHODS: Titanium Greenfield filters were placed in 166 patients over a 36-month period. The radiographic reports of all patients were reviewed to identify cases in which the filter failed to open symmetrically after deployment and catheter or wire manipulation of the filter was performed. The reports and angiograms from these patients were reviewed with respect to the circumstances surrounding filter placement and methods to achieve more symmetric opening. RESULTS: Transcatheter manipulation of asymmetrically opened filters was performed in 15 of 166 cases (9%). In 12 of these patients, acceptable and uneventful opening of the filter was achieved with a guide wire, pigtail catheter, or occlusion balloon catheter. In one case manipulation only partly improved orientation of the limbs, while in another case successful manipulation was complicated by distal migration. In the final case, the asymmetric filter covered only part of the lumen of the vena cava despite manipulations and a second filter was placed for optimal caval interruption. No specific cause for incomplete expansion was identified in any case. CONCLUSION: Marked asymmetry in opening of the modified hook titanium Greenfield filter that warrants manipulation occurs infrequently, but recognition and proper management may be important to ensure optimal caval interruption.
Authors:
B S Moore; K Valji; A C Roberts; J J Bookstein
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of vascular and interventional radiology : JVIR     Volume:  4     ISSN:  1051-0443     ISO Abbreviation:  J Vasc Interv Radiol     Publication Date:    1993 Sep-Oct
Date Detail:
Created Date:  1993-12-08     Completed Date:  1993-12-08     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9203369     Medline TA:  J Vasc Interv Radiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  687-90     Citation Subset:  IM    
Affiliation:
Department of Radiology, University of California at San Diego 92103.
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MeSH Terms
Descriptor/Qualifier:
Catheterization, Central Venous*
Humans
Titanium
Vena Cava Filters*
Vena Cava, Inferior / radiography
Chemical
Reg. No./Substance:
7440-32-6/Titanium
Comments/Corrections
Comment In:
J Vasc Interv Radiol. 1994 May-Jun;5(3):528-32   [PMID:  8054761 ]
J Vasc Interv Radiol. 1993 Sep-Oct;4(5):617-20   [PMID:  8219555 ]
J Vasc Interv Radiol. 1994 May-Jun;5(3):526-7   [PMID:  8054760 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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