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von Willebrand disease, type 3
von Willebrand disease 3

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Prevalence of clinical parameters (%)

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Pubmed id number as a reference Organ system affected
Number of patients in the reference Percent affected patients (Between 0 and 1, eg. 0.1 = 10%)
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List of symptoms

Symptom/sign Organ system Percent affected Pubmed id Added on(yyyy-mm-dd) Edit/add reference
Epistaxis respiratory 77 % 11167767 2012-01-11
Oral cavity bleeding digestive 70 % 11167767 2012-01-11
Menorrhagia reproductive 69 % 11167767 2012-01-11
Muscle haematoma skeletal 52 % 11167767 2012-01-11
Post-operative bleeding multi 41 % 11167767 2012-01-11
Joint bleeding skeletal 37 % 11167767 2012-01-11
Gastrointestinal bleeding digestive 20 % 11167767 2012-01-11
Post-partum bleeding reproductive 15 % 11167767 2012-01-11
Intracranial haemorrhage nervous 2 % 11167767 2012-01-11
Haematuria urinary 1 % 11167767 2012-01-11

List of references:

Clinical manifestations and complications of childbirth and replacement therapy in 385 Iranian patients with type 3 von Willebrand disease.
M Lak, F Peyvandi, P M Mannucci,

Type 3 is the most severe form of von Willebrand disease (VWD) transmitted as an autosomal recessive trait. We collected data on the clinical manifestations of type 3 VWD by examining 385 patients from 300 Iranian kindreds, who were compared with 100 age-matched patients with severe haemophilia A. Joint and muscle bleeding was less frequent than in haemophiliacs, perhaps because factor VIII levels were in general higher (median value 4% vs. 1% or less). Mucosal tract haemorrhages such as epistaxis and menorrhagia were the most prevalent symptoms in VWD. Post-circumcision and oral cavity bleeding occurred frequently when prophylactic replacement therapy was not carried out or was inadequate. The course of pregnancy was usually uneventful, but increased bleeding occurred at parturition when affected women were treated with replacement therapy for less than 3-4 d. Ten of 385 (2.6%) of these multitransfused patients developed an alloantibody to VWF and 55% are chronically infected with the hepatitis C virus.

British journal of haematology - Dec 2000

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