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Genetics of Hypercoagulable and Hypocoagulable States.

Daulath Singh¹, Arjun Natarajan², Sucha Nand¹

¹Department of Hematology and Oncology, Loyola University Medical Center, 2160 South First Avenue, Maywood, IL 60153, USA.

Neurosurgery Clinics of North America

|September 19, 2018

Summary

Hemostasis involves blood clotting to prevent bleeding, influenced by factors like Virchow triad. Inherited conditions include thrombophilias (Factor V Leiden) and bleeding disorders (von Willebrand disease, hemophilia).

Keywords:

Antiphospholipid syndrome Antithrombin deficiency Factor V Leiden Hemophilia Protein C and S deficiencies Prothrombin gene mutation von Willebrand disease

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Area of Science:

Hematology
Genetics
Pathophysiology

Background:

Hemostasis is the physiological process of blood coagulation that prevents excessive bleeding.
Virchow triad (venous stasis, hypercoagulability, vascular injury) are key factors in thrombosis.
Understanding hemostasis is crucial for managing bleeding and clotting disorders.

Purpose of the Study:

To summarize key concepts in hemostasis, thrombosis, and bleeding disorders.
To highlight common inherited thrombophilias and bleeding disorders.
To describe inheritance patterns of these conditions.

Main Methods:

Literature review of hemostasis and coagulation.
Summary of key genetic factors in thrombophilia and bleeding disorders.
Description of inheritance patterns (autosomal dominant, autosomal, sex-linked recessive).

Main Results:

Factor V Leiden and prothrombin gene mutations are common inherited thrombophilias, inherited autosomal dominantly.
Antiphospholipid antibodies increase thrombosis risk.
von Willebrand disease is the most common autosomal inherited bleeding disorder.
Hemophilia A and B are sex-linked recessive bleeding disorders.

Conclusions:

Inherited thrombophilias and bleeding disorders have distinct genetic and inheritance patterns.
Recognition of these patterns is vital for diagnosis and management.
Further research into hemostasis mechanisms can improve patient outcomes.