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Topic: Hageman factor


  
  Hageman Factor Deficiency
Hageman Factor Deficiency is a rare inherited blood disorder that causes prolonged clotting (coagulation) of blood in a test tube without the presence of prolonged clinical bleeding tendencies.
Hageman Factor Deficiency is transmitted as an autosomal recessive disorder.
Factor IX is a component of the blood clotting substance, thromboplastin; it is deficient at birth in patients with this disorder.
hw.healthdialog.com /kbase/nord/nord499.htm   (1197 words)

  
 Medical Dictionary: Hageman factor deficiency - WrongDiagnosis.com
Hageman factor deficiency: An absence or reduced level of blood coagulation factor XII.
Hageman factor deficiency is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).
This means that Hageman factor deficiency, or a subtype of Hageman factor deficiency, affects less than 200,000 people in the US population.
www.wrongdiagnosis.com /medical/hageman_factor_deficiency.htm   (282 words)

  
 Factor XII (Hageman factor) deficiency (Disease)... Fort Lauderdale, Florida   (Site not responding. Last check: 2007-10-26)
This is an inherited disorder that causes prolonged clotting (coagulation) of blood in a test tube without a clinical bleeding tendency, and results from a deficiency of the plasma protein factor XII.
Factor XII deficiency is a hereditary disorder that is usually found when clotting tests are done for routine screening.
It is not associated with abnormal bleeding, and is a rare disorder.
www.browardhealth.org /16714.cfm   (239 words)

  
 MedlinePlus Medical Encyclopedia: Factor XII assay
Factor XII assay is a blood test to measure the activity of factor XII -- one of the substances involved in coagulation (blood clotting).
Factor XII deficiency is not normally associated with clinical bleeding.
In addition, factor XII does not appear to be necessary for the formation of clots for normal hemostasis (stopping of bleeding).
www.nlm.nih.gov /medlineplus/ency/article/003681.htm   (513 words)

  
 Factor XII - Wikipedia, the free encyclopedia
Hageman factor deficiency is a rare hereditary disorder with a prevalence of about one in a million, although it is a little more common among Asians.
Hageman factor was first discovered in 1955 when a routine preoperative blood sample of the 37-year-old railroad brakeman John Hageman was found to have prolonged clotting time in test tubes, even though he had no hemorrhagic symptoms.
Ratnoff later found that the Hageman factor deficiency is autosomal recessive disorder, when examining several related people which had the deficiency.
en.wikipedia.org /wiki/Factor_XII   (306 words)

  
 Defective clotting factor clears arteries   (Site not responding. Last check: 2007-10-26)
For decades, scientists assumed that factor XII (or Hageman factor) was not important for clotting, as both humans and mice that lack this protein do not develop bleeding disorders.
Although clot formation was initiated at the sight of injury in the factor XII-deficient mice, the clots detached from the blood vessel wall before they could grow large enough to impede blood flow.
Consistent with these findings, studies in humans have shown that elevated levels of factor XII in the blood have been associated with increased coronary artery disease and lower levels with protection.
www.eurekalert.org /pub_releases/2005-07/joem-dcf070605.php   (247 words)

  
 The Science of Blood Clotting
Accelerin is a protein that speeds up the action of Stuart Factor, without which, the transofrming of prothombrin would be too slow to help clot the blood in time.
Due to the naturally slow action of Stuart Factor, there is always a small amount of free flowing thombrin in the blood to activate proaccelerin when needed.
Hageman Factor is then cut by another protein called HMK to get activated Hageman Factor.
www.angelfire.com /ga/Godandscience/blood.html   (623 words)

  
 Factor XII (Hageman Factor) Deficiency - Health Centers
Factor XII (Hageman Factor) Deficiency - Health Centers
It?does not cause abnormal bleeding in the affected person, but the blood takes longer than normal to clot (coagulate) in a test tube.?It results from a deficiency of the plasma protein factor XII.
Factor XII deficiency is a rare hereditary disorder that is usually found when clotting tests are done for routine screening.
www.channel3000.com /encyclopedia/6860308/detail.html   (279 words)

  
 NHF | Bleeding Disorders Information Center | Factor XII Deficiency
First described in 1955, after routine blood tests before surgery on a man named John Hageman, factor XII deficiency is a very rare bleeding disorder.
The hallmark of severe factor XII deficiency is prolonged APTT—usually more than 100 seconds—in a patient with no history of bleeding.
It is an autosomal recessive disorder, which means if the clotting defect is inherited from a parent, the child will be a genetic carrier of the condition, but may or may not have symptoms.
www.hemophilia.org /bdi/bdi_types10.htm   (286 words)

  
 Hageman Factor Deficiency : Health : Health Guide : H
Hageman Factor Deficiency : Health : Health Guide : H
Health Guide » A B C D E F G H I J K L M N O P Q R more...
Hageman Factor Deficiency is not the name you expected.
ipaki.com /content/html/90/534.html   (249 words)

  
 AllRefer Health - Factor XII (Hageman Factor) Deficiency Information
AllRefer Health - Factor XII (Hageman Factor) Deficiency Information
You are here : AllRefer.com > Health > Diseases and Conditions > Factor XII (Hageman Factor) Deficiency
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health.allrefer.com /health/factor-xii-hageman-factor-deficiency.html   (247 words)

  
 Hageman Factor Deficiency
It is possible that the main title of the report Hageman Factor Deficiency is not the name you expected.
Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
WebMD does not provide medical advice, diagnosis or treatment.
www.webmd.com /hw/raising_a_family/nord499.asp   (442 words)

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