...A. Valente; E. Volpe; M. Gandini; G. Buonanno A case of von Willebrand’s disease with marked platelet defects is reported. In comparison with normal control subjects, the patient’s platelets have presented low ADP and AMP levels. Six hours after a normal human plasma transfusion, a transitory...

... the biological activity, indicating the presence of inactive, probably structurally abnormal factor VIII. Inactive factor VIII was not found in plasmas of patients with von Willebrand’s disease. 5 3 2009 Acta Haemat. 48: 257-268 (1972) Inactive Factor VIII in Hemophilia A and Willebrand s disease...

...-cell volume of the blood, and that for comparable estimates the PCV must be between 33% and 46%. The platelet adhesiveness test gives a low result in von Willebrand’s disease and low results have also been found in 4 syndromes characterized by defective platelet aggregation. The reasons for correlation...

...E.M. Essien; J.A. Smith; T.I. Francis 15 haemophiliacs including one patient with von Willebrand’s disease and 8 multiple-transfused patients (7 homozygous sickle cell anaemia, 1 refractory anaemia in pregnancy) were examined by the immuno-electro-osmodiffusion (IOD) method for the prevalence...

...E. Dini; T. Barbui; T. Chisesi; M. Cazzavillan; R. Battista; G. Cartei The results of a study of 13 families with von Willebrand’s disease, living in a small zone in the province of Vicenza are reported. 21 patients presented all diagnostic signs, while 25 showed only some of them. The aspirin...

.... Coagulation disorders Factor VIII antigen Platelet aggregation Ristocetin Von Willebrand’s disease Acta haemat. 53: 44-48 (1975) Dissociation between Factor VIII (Activity and Antigen) and Ristocetin-Induced Platelet Aggregation in von Willebrand s Disease T. B arbui and E. Dini Division of Haematology...

... as having IBS. All patients were referred because of moderate-to-severe bleeding diatheses; they included 52 hemophiliacs, 27 patients with von Willebrand’s disease, 4 with hemophilia B (IX-deficit), 2 with afibrinogenemia, 1 with prothrombin deficiency, and 4 were thought to have platelet dysfunction...

...Antonio Girolami; Fabrizio Fabris; Luigino de Marco; Renata Peruffo Platelet aggregation in citrated and heparinized plasma by ionophore A 23187 and Ristocetin was studied in normal subjects and in patients with von Willebrand’s disease and congenital afíbrinogenemia. Aggregation by ionophore...

... of adrena­ lin. J. Physiol., Lond. 156: 217-223 (1961). 11 Egeberg, O.: Changes in the activity of anti­ hemophilic A factor and in the bleeding time as­ Adrenalin and Corticosteroid Effect in von Willebrand's Disease 293 sociated with muscular exercise and adrenaline perfusion. Scand. J. clin. Lab. Invest...

... dysfunction and 2 patients with von Willebrand’s disease the pattern of platelet retention was affected principally in its early phase, whereas aspirin, when given to 2 healthy subjects, inhibited platelet retention predominantly in its late phase. Our modified platelet retention test provides information...