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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1997-4-29
pubmed:abstractText
Two thrombosis models in rats are described in which mixed type thrombi are formed at arterial and venous flow rates. The models, containing a silk thread in the aorta and vena cava, respectively, were characterised for the activity of three platelet inhibitors, three thrombin active site inhibitors and five glycosaminoglycans (GAGs). In the two models a similar highly platelet-dependent thrombus developed both in size and composition during the first 10 min after insertion of the silk thread. The thrombotic processes were self-limiting, thus maintaining blood flow, but persisted twice as long in the vena cava model. In both models the thrombus consisted for more than 65% of platelets. Thrombus development under arterial as well as under venous flow conditions was inhibited dose dependently by all tested compounds including aspirin and the synthetic alpha-methyl glycoside copy of the ATIII binding pentasaccharide within heparin, Org31540/SR90107A. Simultaneous fibrin deposition and platelet activation, which represents an essential element of arterial thrombosis, initially dominated-in both models. The gradual thrombus outgrowth, in the cava model, was more sensitive to factor Xa selective anti-coagulants, as is venous thrombosis.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0340-6245
pubmed:author
pubmed:issnType
Print
pubmed:volume
77
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
183-9
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Two new closely related rat models with relevance to arterial thrombosis--efficacies of different antithrombotic drugs.
pubmed:affiliation
Scientific Development Group, N.V. Organon, Oss, The Netherlands.
pubmed:publicationType
Journal Article