Document Detail

Ulcerated plaque in the ulnar artery causing distal seeding of microemboli: a possible early stage of ulnar artery thrombosis.
MedLine Citation:
PMID:  10509285     Owner:  NLM     Status:  MEDLINE    
Angiography of a patient presenting with ischemia of the ring and small fingers, but with patent arterial inflow through the ulnar artery on Allen's test, demonstrated stenosis of the ulnar artery just distal to Guyon's canal. Surgical exploration revealed a discrete ulcerated plaque with an overlying loosely adherent thrombus. An ulcerated plaque in one of the main inflow arteries to the hand may produce ischemia of the fingers by seeding microemboli distally into the digital arteries. This pathophysiologic mechanism may represent a very early phase of incipient or impending thrombosis of the ulnar artery and may eventually progress to complete thrombosis. Early recognition and treatment by resection of the involved arterial segment and microsurgical reconstruction may prevent the evolution to complete ulnar artery thrombosis.
N F Jones; J M Baker
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The Journal of hand surgery     Volume:  24     ISSN:  0363-5023     ISO Abbreviation:  J Hand Surg Am     Publication Date:  1999 Sep 
Date Detail:
Created Date:  1999-10-27     Completed Date:  1999-10-27     Revised Date:  2009-06-08    
Medline Journal Info:
Nlm Unique ID:  7609631     Medline TA:  J Hand Surg Am     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1056-60     Citation Subset:  IM    
UCLA Hand Center, Department of Orthopaedic Surgery, University of California, Los Angeles 90095, USA.
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MeSH Terms
Disease Progression
Fingers / pathology*
Thrombosis / pathology*
Ulnar Artery*

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

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