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Updated: Jun 19, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
Thrombophilia and hypercoagulability
1Department of Medicine, Michigan State University, East Lansing, MI 48824-1313, USA. hassouna@msu.edu
Thrombophilia and hypercoagulability are distinct conditions impacting thrombosis risk. Understanding their differences is crucial for managing inherited or acquired clotting disorders and preventing recurrent thrombosis.
Area of Science:
- Hematology
- Vascular Biology
- Clinical Medicine
Background:
- Thrombosis involves abnormal fibrin clots causing arterial/venous obstructions.
- Thrombophilia and hypercoagulability are often confused but are distinct entities.
- Thrombophilia is a clinical phenotype with increased thrombosis risk; hypercoagulability is a laboratory phenotype indicating clotting activation.
Purpose of the Study:
- To clarify the less-known aspects of thrombophilia and hypercoagulability in relation to thrombosis.
- To differentiate between thrombophilia and hypercoagulability.
- To review the clinical implications of inherited and acquired thrombophilia.
Main Methods:
- Review of scientific literature and case studies.
- Analysis of data from large family studies on thrombophilia.
- Examination of diagnostic techniques for clotting activation biomarkers.
Main Results:
- Thrombophilia presents as an inherited or acquired clinical phenotype with elevated thrombosis risk.
- Hypercoagulability is a laboratory phenotype reflecting in vivo clotting activation.
- Factors like sepsis, inflammation, and atherosclerosis can provoke hypercoagulability, which may manifest in thrombophilia.
Conclusions:
- Distinguishing thrombophilia from hypercoagulability is essential for accurate diagnosis and management.
- The necessity of treatment after a first thrombotic event in patients with inherited deficiencies requires careful consideration.
- Case vignettes highlight the relationship and distinctions between thrombosis, thrombophilia, and hypercoagulability.
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