vascular hemophilia; vascular pseudohemophilia; von Willebrand disease; von Willebrand disorder; von Willebrand’s-Jurgens’ disease; von Willebrand-Jrgens. The activity of vWF in a patient with von Willebrand disease. Aktywość vWF u pacjenta z chorobą Willebranda. Fig. 4. The activity of vWF in a. Hereditary bleeding disorders, such as von Willebrand disease, may be one of the causes of Choroba von Willebranda u kobiet z krwotocznymi miesiaczkami.

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By using this site, willebrsnda agree to the Terms of Use and Privacy Policy. Inherited Bleeding Disorders in Women P. Normal levels do not exclude all forms of vWD, particularly type 2, which may only be revealed by investigating platelet interaction with subendothelium under flow, a highly specialized coagulation study not routinely performed in most medical laboratories.

Symptoms Skin Bruising Rectal bleeding not explained by a known source peptic ulcer, Colon PolypHemorrhoid Severe Anemia requiring transfusion Recurrent or persistent Epistaxis Bleeding lasting longer than 10 minutes or required medical attention Excessive bleeding with minor procedures e. The International Society on Thrombosis and Haemostasis ‘s classification depends on the definition of qualitative and quantitative defects.

If a dog has an injury or wound, the platelets help stop bleeding and speed up the healing process by clotting at the site of the injury. The inheritance pattern of vWD type 3 is autosomal recessive, while the inheritance pattern of hemophilia A is X-linked recessive.

Von Willebrand Disease

Severe internal bleeding and bleeding into joints are uncommon in all but the most severe type, vWD type 3. Mice affected by vWD type 3 were produced by genetic engineering to obtain a small sized model for willebrznda human disease. Platelets play a vital role in the blood-clotting process. Gene sequencing identified many of these persons as having a vWF gene mutation.


Disease or Syndrome T Epidemiology Prevalance estimated at 1. Variant forms of vWF were recognized in the s, and these variations are now recognized as the result of synthesis of an abnormal protein. An acquired form can sometimes result from other medical conditions. Results from a Canadian cohort chorpba.

It can arise from failure to secrete vWF willebtanda the circulation or from vWF being cleared more quickly than normal. Deficiency of vWF, therefore, shows primarily in organs with extensive small vesselssuch as skingastrointestinal tractand uterus. Type 3 is inherited as autosomal recessive.

Includes true von Willebrand disease with mutation at the VWF locus, as well as mimicking disorders with other mutations pseudo VWD and acquired von Willebrand syndrome. Signs and symptoms include bruises, nose bleeding, gum bleeding following a dental procedure, heavy menstrual bleeding, and gastrointestinal bleeding.

From Wikipedia, the free encyclopedia. The vWF antigen test is normal, indicating normal quantity of vWF.

Von Willebrandova choroba

These subtypes depend on the presence and behavior of the underlying multimers. Most cases are hereditary, but acquired forms of vWD have been described. In these strains, the vWF gene has been knocked out. Therefore, those pigs are valuable models for clinical and pharmacological research.

The von Willebrand factor is undetectable in the vWF antigen assay. If your dog shows symptoms, other diagnostic tests may be recommended to rule out other diseases and to assess your dog’s overall health. Evaluation Indications Personal or Family History of significant bleeding see symptoms as above and Planned for surgical procedure with moderate to high risk of bleeding or Current bleeding symptoms or abnormal lab results Complete history and examination Choroa Bleeding Disorder Symptoms suggestive of Bleeding Diathesis as listed above Medication causes of Bleeding Disorder e.

For the normal function of the coagulation factor, see von Willebrand factor.

Estrogen and progesterone compounds available for use in the correction of menorrhagia are ethinylestradiol and levonorgestrel Levona, Nordette, Lutera, Trivora.


This form of acquired vWD may be more prevalent than is willebrahda thought.

It’s important to carefully watch your dog for symptoms and to prevent unnecessary bumps and bruises to help keep her safe. This page was last edited on 22 Decemberat Search other sites for ‘Von Willebrand Disease’.

Von Willebrand disease: the most common hereditary haemorrhagic disorder

Causal mutations for type 2 were identified in dogs of chorboa breeds German Wirehaired PointerGerman Shorthaired Pointerand Chinese Crested ; and for type 3 in dogs of the breeds KooikerhondjeScottish Terrier and Shetland Sheepdog. The four hereditary types of vWD described are type 1, type 2, type 3, and pseudo- or platelet-type. Unsourced or poorly sourced material may be challenged and removed. Desmopressin is also available as a preparation for intranasal administration Stimate and as a preparation for intravenous administration.

Acquired vWD can occur in patients with autoantibodies. Trouble may, however, arise in some patients in the form of bleeding following surgery including dental proceduresnoticeable easy bruising, or menorrhagia heavy menstrual periods. This article with questionable factual accuracy needs more medical references for verification or relies too heavily on primary sources.

Von Willebrand’s Disease in Dogs

vpn The good news is, many dogs with vWD live a long and healthy life. He ultimately assessed 66 members of her family and reported in Swedish-language article that this was a previously undescribed bleeding disorder that differed from hemophilia.

Patients with this subtype are unable to use desmopressin as a treatment for bleeding, because it can lead to unwanted platelet aggregation and aggravation of thrombocytopenia.