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Topic: Hemophilia B


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In the News (Wed 15 Oct 08)

  
  Hemophilia Galaxy | Encyclopedia
Because the genes that cause hemophilia are found on the same chromosome pair as the genes that determine gender, the appearance of hemophilia shows a definite pattern based on whether a baby is a boy or a girl.
Hemophilia A and B are inherited as sex-linked recessive disorders occurring almost exclusively in males.
In hemophilia A or B, the Factor VIII or IX gene is nonfunctioning.
www.hemophiliagalaxy.com /general/encyclopedia.html   (5137 words)

  
 Lifespan's A - Z Health Information Library - Hemophilia B   (Site not responding. Last check: 2007-10-12)
Hemophilia B is a hereditary blood coagulation disorder.
Hemophilia is a hereditary bleeding disorder of specific blood clotting factors.
There are several types of hemophilia, including hemophilia A and B. Hemophilia A is 7 times more common than hemophilia B. Hemophilia B is the result of a deficiency of clotting factor IX.
www.lifespan.org /adam/healthillustratedencyclopedia/1/000539.html   (727 words)

  
 Understanding Hemophilia -- the Basics
The hemophilias are inherited disorders that cause abnormal bleeding.
If you have very mild hemophilia, you may not have any noticeable symptoms until you undergo a dental procedure, which may cause you to bleed heavily, or you may not have any unusual bleeding unless you are injured in an accident or have surgery.
Men who have hemophilia do not pass the disease to their sons because boys inherit only a Y chromosome from their father; however, they do pass their X chromosome, and thus a defective gene, to each of their daughters, so each of their daughters is a carrier.
www.webmd.com /content/article/7/1680_53571.htm   (873 words)

  
 Hemophilia -[About IHS]-   (Site not responding. Last check: 2007-10-12)
Hemophilia is probably the best known example of the congenital blood clotting disorders, first described in Talmudic texts, and, in the early 20th Century, made famous by the Russian monk Rasputin and the ill-fated Tsarevich Alexis, who inherited his severe Hemophilia indirectly from Queen Victoria.
The incidence of Hemophilia A (coagulation factor VIII deficiency) is remarkably constant throughout the world, affecting between 7 and 10 per 100,000 males at birth, or roughly 3 to 5 individuals per 100,000 head of population.
Hemophilia A and B (Factor IX deficiency) are both inherited as sex-linked recessive disorders.
www.hemophilia.org.ir /en/about   (328 words)

  
 NHF | Bleeding Disorders Information Center | Hemophilia B
Hemophilia is a bleeding disorder caused by a deficiency in one of the blood clotting factors.
Hemophilia B is a hereditary disorder in which the clotting ability of the blood is impaired and prolonged bleeding results.
Hemophilia B is caused by an inherited sex-linked recessive trait with the defective gene located on the X chromosome.
www.hemophilia.org /bdi/bdi_types2.htm   (1434 words)

  
 Information on Hemophilia - Symptoms, Cause & Treatment
Approximately 85% have hemophilia A and the remainder have hemophilia B. The severity of hemophilia is related to the amount of the clotting factor in the blood.
Approximately one fifth of hemophilia B cases and one third of hemophila A cases occur from a spontaneous gene mutation with no family history of the disorder.
Hemophilia is known to be caused by defects in the genes for factor VIII and factor IX.
www.healthnewsflash.com /conditions/hemophilia.php   (1026 words)

  
 Hemophilia of the Sunshine State
Hemophilia- a bleeding disorder in which a clotting factor is usually missing or does not function normally.
Hepatitis- Inflammation of the liver caused by injury to the liver or infection of the liver.
In hemophilia, the daughter of a man affected with hemophilia, or the mother of more than one son with hemophilia, or the mother of a son with hemophilia and another blood relative with hemophilia would be considered an obligate carrier.
www.hemophilia.com /consumers/glossary/index.htm   (1664 words)

  
 Hemophilia Galaxy | Your Hemophilia Information Resource | About Hemophilia
Hemophilia is a rare genetic blood clotting disorder that primarily affects males.
Two of the most common forms of hemophilia are A and B. In persons with hemophilia A (also called classical hemophilia), clotting Factor VIII is not present in sufficient amounts or is absent.
Hemophilia later developed a reputation as the "royal disease" because it passed from Queen Victoria of England to her descendants throughout the royal houses of Europe.
www.hemophiliagalaxy.com /patients/about/index.html   (401 words)

  
 Hemophilia One | Medical Information about Hemophilia   (Site not responding. Last check: 2007-10-12)
A: Hemophilia is a genetically inherited bleeding disorder.
Hemophilia B is due to a deficiency of factor IX (FIX).
In people with hemophilia, these genes produce an insufficient amount of FVIII or FIX which explains why the severity of bleeding is constant within families, and why women with the hemophilia gene may have normal clotting as their second (usually normal) X chromosome produces a sufficient amount of factor.
www.hemophiliaone.com /medical_info.html   (3047 words)

  
 Hemophilia
Hemophilia is a rare bleeding disorder that prevents the blood from clotting properly.
People with hemophilia are deficient in one of those factors due to their disease genes, and as a result, their blood can't clot properly.
Hemophilia B, which makes up the majority of the remaining 20% of cases, is a deficiency of factor IX.
kidshealth.org /parent/medical/heart/hemophilia.html   (623 words)

  
 Hemophilia
Hemophilia is an inherited bleeding disorder caused by the absence or decreased levels of certain blood clotting factors.
The more common form, Hemophilia A, is caused by a Factor VIII deficiency, and the less common form, Hemophilia B, is caused by Factor IX deficiency.
Hemophilia B is five times less common than Hemophilia A. Hemophilia is characterized by prolonged bleeding time due to the blood’s reduced ability to clot.
www.tylermedicalclinic.com /hemophilia.htm   (475 words)

  
 Hemophilia
Hemophilia is a hereditary condition that results in blood that does not clot normally, resulting in serious risk of excessive bleeding (hemorrhaging), particularly internal hemorrhaging in joints, muscles and vital organs, especially the brain.
The second type, hemophilia B, is sometimes called Christmas Disease after Steven Christmas, a Canadian who in 1952 was the first person diagnosed with this distinct form of hemophilia.
Hemophilia A and B are rare disorders that affect people of all races, colors and ethnic origins.
www.fhcrc.org /research/diseases/hemophilia   (1304 words)

  
 Hemophilia - Genetics Home Reference
Hemophilia A is the most common type of this condition, affecting 1 in 5,000 to 10,000 males worldwide.
Hemophilia B is less common; it affects 1 in 20,000 to 34,500 males worldwide.
Changes in the F8 gene are responsible for hemophilia A, while mutations in the F9 gene cause hemophilia B. The proteins made by these genes play a critical role in the process of blood clotting.
ghr.nlm.nih.gov /condition=hemophilia   (594 words)

  
 Hemophilia Pediatric Oncall   (Site not responding. Last check: 2007-10-12)
A: Hemophilia is an inherited disorder in which there is inability to form an effective clot and hence causes prolonged bleeding in a patient.
Female carriers of hemophilia may be symptomatic due to lower than normal clotting factor levels.
It is the deficiency of factor VIII or IX in the intrinsic pathway that causes hemophilia.
www.pediatriconcall.com /fordoctor/diseasesandcondition/hemophilia.asp   (2234 words)

  
 Personalized Medication Management for Bleeding Disorders (Hemophilia)
Hemophilia occurs in three types -- A, B and C -- depending on which clotting factor is deficient.
Hemophilia C is rare, occurring in approximately one in 100,000 Americans.
Generally, hemophilia A and B pass from mother to son through one of the mother's genes.
www.mayoclinic.org /specialty-pharmacy/hemophilia.html   (1138 words)

  
 The Hemophilias: Genetic Disorders Passed from Mother to Son
Hemophilia is a blood disorder that prevents blood from clotting properly, leading to uncontrolled bleeding.
Hemophilia A is responsible for eighty percent of all cases.
Hemophilia C affects factor XI proteins, and is unusual in that it affects both males and females.
www.causes-of-hemophilia.com /index.php3   (539 words)

  
 Hemophilia | Hemophilia Educational Material
Hemophilia is the oldest known hereditary bleeding disorder.
Hemophilia B is when factor IX is lacking.
Hemophilia is classified as mild, moderate, or severe, based on the amount of the
www.hemophilia.medgrip.com   (1099 words)

  
 AHF - What is Hemophilia?
As a carrier of hemophilia, a woman is at risk of having children who have hemophilia or who are carriers.
Men with hemophilia, however, will pass the genetic coding error to all of their daughters, 100% of whom will be carriers.
The children born today with hemophilia and related bleeding disorders may be able to live without the surgeries and wheelchairs used by their grandfathers.
www.ahfinfo.com /ahfinfo/whatishemophilia.html   (1248 words)

  
 Committee of Fundraising for Hemophilia Patients
Patients with hemophilia A lack the blood clotting protein, factor VIII, and those with hemophilia B lack factor IX.
Approximately 85% have hemophilia A and the remainder has hemophilia B. The severity of hemophilia is related to the amount of the clotting factor in the blood.
The most important challenges facing the hemophilia patient, health care provider, and research community today are safety of products used for treatment, management of the disease including inhibitor formation, irreversible joint damage, and life-threatening hemorrhage, and progress toward a cure.
www.windint.com /hemophiliaCommittee/index.html   (275 words)

  
 Hemophilia Village | What Is Hemophilia?
Hemophilia is an inherited disease that prevents the blood from clotting properly.
Hemophilia B occurs across all populations in the world, with all races being affected equally.
Hemophilia B is found almost exclusively in males, occurring in about 1 in 34,500 men.
www.hemophiliavillage.com /about_whatis.asp   (350 words)

  
 Baxter U.S. - Hemophilia
Moderate hemophilia A patients have factor VIII levels of 1% to 5% of normal.
There is presently no cure for hemophilia, but with treatment using clotting factors, people with even severe hemophilia can get bleeding under control and enjoy a full and active life.
Hemophilia Treatment Centers (HTCs) are available at most large medical centers and are an excellent resource to help you and your family get the best care for this condition.
www.baxter.com /conditions/sub/hemophilia.html   (167 words)

  
 Hemophilia | Caremark Health Resources
Hemophilia A is also known as Factor VIII Deficiency and Classical Hemophilia.
Hemophilia B is also known as Factor IX Deficiency.
Another name for Hemophilia B is Christmas Disease, named for the patient in whom the problem was first defined.
healthresources.caremark.com /topic/hemophilia   (412 words)

  
 What is Hemophilia?
Factor VIII deficiency hemophilia, because it is the lack of the Factor 8 (written Factor VIII) protein in the blood that causes the clotting problem.
Factor IX deficiency hemophilia, because Factor 9 (written Factor IX) is the blood protein which is lacking and whose absence slows down the normal clotting process.
Hemophilia B is even less common, affecting approximately 1 in 50,000 people, or about 500 Canadians.
www.hemophilia.ca /en/2.1.1.php   (468 words)

  
 Hemophilia - Blood Disorders
Approximately 85% have hemophilia A and the remainder have hemophilia B..
The severity of hemophilia is related to the amount of the clotting factor in the blood.
The infection of many hemophilia patients with the AIDS virus before the virus was discovered has elicited a great deal of concern in the hemophilia community about CJD and its potential transmission through blood-derived treatment products.
medical.preferredconsumer.com /blood_disorders/hemophilia.html   (1196 words)

  
 Hemophilia: Causes - MayoClinic.com
Hemophilia is caused by a deficiency of one of your blood's clotting factors:
Hemophilia B. This second most common type is caused by lack of enough clotting factor IX.
The defective gene that causes hemophilia C can also be passed on to children by mothers and fathers, but it follows an inheritance pattern different from that which occurs with hemophilia A and B. When to seek medical advice
www.mayoclinic.com /health/hemophilia/DS00218/DSECTION=3   (455 words)

  
 Hemophilia B (Disease)... Fort Lauderdale, Florida   (Site not responding. Last check: 2007-10-12)
Hemophilia B is a hereditary blood coagulation disorder caused by a deficiency of a plasma protein called factor IX that affects the clotting property of blood.
Hemophilia is a group of hereditary bleeding disorders of specific blood clotting factors classified as hemophilia A and B. Hemophilia A is 7 times more common than hemophilia B. Hemophilia B is the result of a deficiency of clotting factor IX.
The incidence of hemophilia B is 1 out of 32,000 men.
www.browardhealth.org /17012.cfm   (767 words)

  
 Hemophilia -- eCureMe.com
Christmas disease (hemophilia B) (Factor 9 deficiency), has the same symptoms but is rarer.
Only about 15% of all Hemophila cases are Hemophilia B. One of the ways that blood clots is through a cascade of factors.
Low levels of Factor XI (Factor eleven) is sometimes called Hemophilia C. Factor VIII and Factor IX assays: Decreased Factor VIII (hemophilia A) or Factor IX (hemophilia B) There are mild, moderate, and severe forms of hemophilia A, depending the depletion levels of Factor VIII.
www.ecureme.com /emyhealth/Pediatrics/Hemophilia.asp   (302 words)

  
 eMedicine - Hemophilia, Type B : Article Excerpt by: Brendan R Furlong, MD   (Site not responding. Last check: 2007-10-12)
Background: Hemophilia B is an inherited, X-linked, recessive disorder resulting in deficiency of functional plasma coagulation factor IX.
Mortality/Morbidity: The death rate for those affected with hemophilia B is not reported.
Because hemophilia is an X-linked, recessive condition, it occurs primarily in males.
www.emedicine.com /emerg/byname/hemophilia-type-b.htm   (287 words)

  
 Healthopedia.com - Hemophilia B (Factor IX Deficiency, Christmas Disease)
Hemophilia B is an inherited bleeding disorder affecting mostly men.
In hemophilia B the blood does not clot well.
Hemophilia B is very similar to hemophilia A but is less common.
www.healthopedia.com /hemophilia-b   (315 words)

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