Document Detail

Altered fibrin clot structure/function in patients with idiopathic venous thromboembolism and in their relatives.
MedLine Citation:
PMID:  19690336     Owner:  NLM     Status:  MEDLINE    
We tested the hypothesis that fibrin structure/function is unfavorably altered in patients after idiopathic venous thromboembolism (VTE) and their relatives. Ex vivo plasma fibrin clot permeability, turbidimetry, and efficiency of fibrinolysis were investigated in 100 patients with first-ever VTE, including 34 with pulmonary embolism (PE), 100 first-degree relatives, and 100 asymptomatic controls with no history of thrombotic events. Known thrombophilia, cancer, trauma, and surgery were exclusion criteria. VTE patients and their relatives were characterized by lower clot permeability (P < .001), lower compaction (P < .001), higher maximum clot absorbancy (P < .001), and prolonged clot lysis time (P < .001) than controls, with more pronounced abnormalities, except maximum clot absorbance, in the patients versus relatives (all P < .01). Fibrin clots obtained for PE patients were more permeable, less compact, and were lysed more efficiently compared with deep-vein thrombosis patients (all P < .05) with no differences in their relatives. Being VTE relative, fibrinogen, and C-reactive protein were independent predictors of clot permeability and fibrinolysis time in combined analysis of controls and relatives. We conclude that altered fibrin clot features are associated with idiopathic VTE with a different profile of fibrin variables in PE. Similar features can be detected in VTE relatives. Fibrin properties might represent novel risk factors for thrombosis.
Anetta Undas; Krystyna Zawilska; Mariola Ciesla-Dul; Agata Lehmann-Kopydłowska; Agnieszka Skubiszak; Katarzyna Ciepłuch; Wiesława Tracz
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Publication Detail:
Type:  In Vitro; Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-08-18
Journal Detail:
Title:  Blood     Volume:  114     ISSN:  1528-0020     ISO Abbreviation:  Blood     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-11-06     Completed Date:  2009-12-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7603509     Medline TA:  Blood     Country:  United States    
Other Details:
Languages:  eng     Pagination:  4272-8     Citation Subset:  AIM; IM    
Institute of Cardiology, Jagiellonian University School of Medicine, 31-202 Krakow, Poland.
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MeSH Terms
Blood Coagulation*
Blood Coagulation Tests
Case-Control Studies
Factor XIII / genetics
Fibrin / chemistry*,  physiology*
Fibrinogen / genetics
Middle Aged
Nephelometry and Turbidimetry
Pulmonary Embolism / blood,  genetics
Risk Factors
Venous Thromboembolism / blood*,  genetics*
Young Adult
Reg. No./Substance:
9001-31-4/Fibrin; 9001-32-5/Fibrinogen; 9013-56-3/Factor XIII
Comment In:
Blood. 2009 Nov 5;114(19):3978-9   [PMID:  19892724 ]

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