Individual propensity for thrombosis: Comparison of venous and arterial circulations

Waldemar Wysokinski, Krzysztof Karnicki, Robert D. McBane

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Introduction: The pathogenesis of venous thrombosis has been attributed to complex interaction between environmental and inherited variables. A basal predisposition for venous thrombophilia independent of environmental variables has not been previously defined experimentally. Both to address the existence of an individual propensity to venous thrombosis and to establish an animal model in which variables governing this propensity could be tested, we provoked venous thrombi in a cohort of pigs of uniform size and age. We furthermore sought to determine whether the thrombotic propensity in the venous circulation is associated with similar propensity for arterial thrombosis. Materials and methods: Bilateral iliac venous stents were deployed and 2 h later, thrombi were harvested and weighed. The thrombotic response was compared to carotid arterial thrombi generated by crush injury within the same pig. Venous and arterial thrombus platelet deposition were measured by scintillation detection of autologous 111In-platelet content. Results: In a cohort of 27 pigs, venous thrombus weights and platelet content varied over greater trrhan 10-fold range from least to greatest responders. There was strong intra-individual correlation of thrombus platelet deposition (r = 0.86; p = 0.008) and thrombus weights (r = 0.68; p = 0.015) between stented iliac vein pairs. Venous thrombosis correlated with whole blood platelet counts but not carotid platelet-rich thrombus formation. Conclusions: The wide variation in venous thrombotic response to a standardized injury appears to represent an intrinsic propensity of the individual. The poor correlation with arterial thrombosis implies unique mechanisms responsible for this propensity in arteries and veins.

Original languageEnglish (US)
Pages (from-to)390-396
Number of pages7
JournalThrombosis Research
Volume122
Issue number3
DOIs
StatePublished - 2008

Fingerprint

Venous Thrombosis
Thrombosis
Blood Platelets
Swine
Iliac Vein
Weights and Measures
Thrombophilia
Platelet Count
Stents
Veins
Animal Models
Arteries
Wounds and Injuries

Keywords

  • Arterial thrombosis
  • Idividual predisposition for thrombosis
  • Platelets
  • Venous thrombosis

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Hematology

Cite this

Individual propensity for thrombosis : Comparison of venous and arterial circulations. / Wysokinski, Waldemar; Karnicki, Krzysztof; McBane, Robert D.

In: Thrombosis Research, Vol. 122, No. 3, 2008, p. 390-396.

Research output: Contribution to journalArticle

Wysokinski, Waldemar ; Karnicki, Krzysztof ; McBane, Robert D. / Individual propensity for thrombosis : Comparison of venous and arterial circulations. In: Thrombosis Research. 2008 ; Vol. 122, No. 3. pp. 390-396.
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