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Venous thrombosis in inflammatory bowel disease
Rajaventhan Srirajaskanthan1, Mark Winter, Andrew F Muller
1Department of Gastroenterology, the Kent and Canterbury Hospital, Canterbury, Kent CT1 3NG, UK.
European Journal of Gastroenterology & Hepatology
|June 11, 2005
Summary
Patients with inflammatory bowel disease (IBD) face a threefold higher risk of venous thrombosis. Research explores multifactorial causes, including coagulation, fibrinolysis, and platelet activation, to understand this increased risk.
Area of Science:
- Gastroenterology
- Hematology
- Vascular Medicine
Background:
- Inflammatory bowel disease (IBD) significantly elevates venous thrombosis risk (3x).
- Thrombosis in IBD patients is a critical factor in morbidity and mortality.
- The precise mechanisms initiating thrombosis in IBD remain incompletely understood.
Purpose of the Study:
- To review the multifactorial processes contributing to thrombosis in IBD.
- To discuss the role of thrombophilic disorders in IBD-associated thrombosis.
- To examine recent findings on elevated CD40, P-selectin, and microvesicles in venous thrombosis and their relevance to IBD.
Main Methods:
- Literature review of studies on IBD and venous thrombosis.
- Analysis of reported abnormalities in coagulation cascade markers.
- Examination of platelet activation and fibrinolysis disturbances.
Main Results:
- Abnormalities in coagulation, fibrinolysis, and platelet activation are implicated.
- The contribution of specific thrombophilic disorders (Factor V Leiden, prothrombin gene mutations, hyperhomocysteinemia) to IBD thrombosis is unclear.
- Elevated CD40, P-selectin, and tissue factor-bearing microvesicles are recent findings in venous thrombosis.
Conclusions:
- Thrombosis in IBD is a complex, multifactorial event.
- Further research is needed to clarify the role of specific thrombophilic factors and novel markers in IBD-associated venous thrombosis.