Hemophilia A overview: Difference between revisions
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==Causes== | ==Causes== | ||
[[Hemophilia A]] is caused by an inherited [[X-linked]] [[recessive trait]], with the defective [[gene]] located on the [[X chromosome]]. | |||
==Differentiating [Disease] from Other Diseases== | ==Differentiating [Disease] from Other Diseases== | ||
Revision as of 07:11, 27 March 2017
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Hemophilia A Microchapters |
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Hemophilia A overview On the Web |
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American Roentgen Ray Society Images of Hemophilia A overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Fahd Yunus, M.D. [2]
Overview
Hemophilia A is a blood clotting disorder caused by a mutation of the factor VIII gene, leading to a deficiency in Factor VIII. It is the most common hemophilia. Inheritance is X-linked recessive; hence, males are affected while females are carriers or very rarely display a mild phenotype. 1 in 5,000 males are affected.
Historical Perspective
Hemophilia is sometimes referred to as “The Royal Disease”, as it affected many members of the English, German, Russian and Spanish monarchies in the 19th and 20th centuries.
Classification
Hemophilia A may be classified according to the amount of Factor VIII present, resulting in either a mild, moderate, or severe form of the disease. [1]
Pathophysiology
The pathogenesis of hemophilia A is characterized by genetic deficiency in Factor VIII.
Causes
Hemophilia A is caused by an inherited X-linked recessive trait, with the defective gene located on the X chromosome.
Differentiating [Disease] from Other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications, and Prognosis
Natural History
Complications
Prognosis
Diagnosis
Diagnostic Criteria
History and Symptoms
Physical Examination
Laboratory Findings
Imaging Findings
Other Diagnostic Studies
Treatment
Medical Therapy
Surgery
Prevention
References
- ↑ How is Hemophilia Diagnosed? – NHLBI, NIH. Available at http://www.nhlbi.nih.gov/health/health-topics/topics/hemophilia/diagnosis. Accessed on July 30, 2016
- History of Bleeding Disorders | National Hemophilia Foundation. Available at . Accessed on July 30, 2016
- How is Hemophilia Diagnosed? – NHLBI, NIH. Available at . Accessed on July 30, 2016
- Severity of Hemophilia – World Federation of Hemophilia. Available at . Accessed on July 30,2016
- Facts | Hemophilia | NCBDDD | CDC. Available at . Accessed on July 30,2016
- Data & Statistics | Hemophilia | NCBDDD | CDC. Available at Accessed on July 30,2016
- Handbook of Genetic Counseling/Hemophilia and Von Willebrand Disease – Wikibooks, open books for an open world. Available at Accessed on July 30,2016
- Konkle BA, Josephson NC, Nakaya Fletcher S. Hemophilia A. 2000 Sep 21 [Updated 2014 Jun 5]. In: Pagon RA, Adam MP, Ardinger HH, et al., editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2016. Available from:http://www-ncbi-nlm-nih-gov.laneproxy.stanford.edu/books/NBK1404/