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The variable pattern of changes observed during pregnancy of von Willebrand factor (VWF) and factor VIII (FVIII), the protein carried by VWF, prompts a careful evaluation of pregnant women with VWD to plan the most appropriate treatment at the time of parturition.
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Given the wide heterogeneity of phenotypes and of the...
- Mcmdm-1Vwd
Introduction. von Willebrand factor (VWF) is a multimeric...
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Jan 10, 2022 · von Willebrand disease (VWD) disproportionately affects women because of the potential for heavy menstrual bleeding (HMB), delivery complications, and postpartum hemorrhage (PPH). To systematically synthesize the evidence regarding first-line management of HMB, treatment of women requiring or desiring neuraxial analgesia, and management of PPH.
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Does von Willebrand disease cause bleeding events during pregnancy and childbirth?
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Does von Willebrand disease cause clotting?
Reynen E, James P. Von Willebrand disease and pregnancy: a review of evidence and expert opinion. Semin Thromb Hemost . 2016;42(7):717-723. Stoof SC, van Steenbergen HW, Zwagemaker A, et al. Primary postpartum haemorrhage in women with von Willebrand disease or carriership of haemophilia despite specialised care: a retrospective survey.
In the pregnant patient, Von Willebrand disease poses an increased risk of complications during labor or the postpartum period, attributed to a higher likelihood of experiencing postpartum hemorrhage and its consequential complications arising from transfusion support and multiorgan injury due to tissue hypoperfusion.
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Many people with von Willebrand disease don't know it because the signs are mild or absent. The most common sign of the condition is abnormal bleeding.
There are three main types of the disease. The amount of bleeding varies from one person to another, depending on the type and severity of the disease.
If you have von Willebrand disease, you might have:
•Excessive bleeding from an injury or after surgery or dental work
•Frequent nosebleeds that don't stop within 10 minutes
•Heavy or long menstrual bleeding
Contact your doctor if you have bleeding that lasts a long time or is hard to stop.
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The usual cause of von Willebrand disease is an inherited abnormal gene that controls von Willebrand factor — a protein that plays a key role in blood clotting.
When you have low levels of this protein or it doesn't work as it should, small blood cells called platelets cannot stick together properly nor attach themselves normally to the blood vessel walls when an injury has occurred. This interferes with the clotting process and can sometimes cause uncontrolled bleeding.
Many people with von Willebrand disease also have low levels of factor VIII, another protein that helps in clotting.
Factor VIII is involved in another inherited clotting disorder called hemophilia. But unlike hemophilia, which mainly affects males, von Willebrand disease affects males and females and is usually milder.
The main risk factor for von Willebrand disease is having a family history of it. Parents pass the gene for the disease to their children. Rarely, the disease skips generations.
The disease is usually an "autosomal dominant inherited" disorder, which means you need a mutated gene from only one parent to get the disease. If you have the gene for von Willebrand disease, you have a 50% chance of transmitting this gene to your children.
Rarely, von Willebrand disease can cause uncontrollable bleeding, which can be life-threatening. Other complications of von Willebrand disease can include:
•Anemia. Heavy menstrual bleeding can cause iron deficiency anemia.
If you plan to have children and have a family history of von Willebrand disease, consider genetic counseling. If you carry the gene for von Willebrand disease, you can pass it on to your offspring, even if you don't have symptoms.
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By Mayo Clinic Staff
Oct 26, 2021
1.Von Willebrand disease. Centers for Disease Control and Prevention. https://www.cdc.gov/ncbddd/vwd/facts.html. Accessed Aug. 26, 2021.
2.AskMayoExpert. Von Willebrand disease. Mayo Clinic; 2021.
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von Willebrand disease is caused by either a quantitative or qualitative defect in von Willebrand factor (VWF). Patients may have extensive mucosal bleeding (because of plate-let dysfunction) and prolonged bleeding after surgery (because of factor VIII deficiency).
Nov 5, 2020 · Carriers of hemophilia A (HA) or hemophilia B (HB) and women suffering from von Willebrand disease (VWD) have an increased risk for bleeding during pregnancy and delivery. Management of these women concerns not only managing the bleeding tendency of the mother, but also that of the child with a potential bleeding disorder.
