Document Detail

High-flow, aortocaval fistulae: radiologic and histopathologic evaluation in a rat model.
MedLine Citation:
PMID:  6410747     Owner:  NLM     Status:  MEDLINE    
An animal model for a high-flow, aorta-to-vena cava fistula has been developed using microsurgical techniques in the rat. This model provides a means for histopathologic and angiographic evaluation of the natural evolution of major vessel, artery to vein fistulae. Data obtained from such a model may have relevance to the successful treatment of high-flow, head and neck fistulae using detachable intraarterial occlusive balloons. This microsurgical technique is unique, since it requires no intervening sutures or graft material that would alter the histopathologic process. After a series of such aortocaval fistulae were created, serial histologic and angiographic features were elucidated for intervals between 1 day and 6 months. Three stages of evolution are noted including: an initial hemorrhagic dissection phase; a subacute phase where organization of the thrombus and actual formation of a fistulous tract occurs; and a chronic phase characterized by pseudoaneurysm formation, arterialization of the vena cava, and proximal vasodilatation of the aorta.
R G Quisling; J P Mickle; W Ballinger
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  AJNR. American journal of neuroradiology     Volume:  4     ISSN:  0195-6108     ISO Abbreviation:  AJNR Am J Neuroradiol     Publication Date:    1983 May-Jun
Date Detail:
Created Date:  1983-09-20     Completed Date:  1983-09-20     Revised Date:  2008-02-14    
Medline Journal Info:
Nlm Unique ID:  8003708     Medline TA:  AJNR Am J Neuroradiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  369-73     Citation Subset:  IM    
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MeSH Terms
Aorta, Abdominal / pathology
Aortic Diseases / pathology,  radiography*
Arteriovenous Fistula / pathology,  radiography*
Disease Models, Animal
Vena Cava, Inferior / pathology,  radiography*

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