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We have assessed the influence of the ABO blood group, gender and age on plasma levels of the coagulation factors II, V, VII, VIII, IX, X, XI and XII as part of a quality audit of laboratory activities. There was no statistically significant difference in gender donor age (total normal donors: n = 406, mean/median age = 46.0/47.0 years, range = 16-77 years;(More)
We reassessed the influence of ABO blood group, sex, and age on plasma levels of von Willebrand factor (vWF) antigen, vWF:ristocetin cofactor, vWF:collagen binding assay, and factor VIII coagulant (FVIII:C). Data show that levels of vWF and FVIII:C increase with increasing age (P < .001 for all parameters) and that the ABO blood group influences plasma(More)
  • L Easton
  • 1997
The steady increase in the number of reported cases of Escherichia coli O157 infection is attributable to the proliferation of the organism, and to improved clinical and laboratory awareness. E. coli O157 is responsible for sporadic cases and outbreaks of diarrhoea, haemorrhagic colitis, haemolytic uraemic syndrome and thrombotic thrombocytopenic purpura.(More)
An 8-year-old girl with acute abdominal pain had cholinergic autonomic dysfunction. There have been only four patients with acquired postganglionic cholinergic dysautonomia described in the literature. The characteristic clinical features are atony of the bowel and bladder, lack of tears, saliva, and sweat, internal ophthalmoplegia, and normal adrenergic(More)
We have evaluated the potential influence of ABO-blood group, gender and age, on laboratory procedures used for detection of Activated Protein C Resistance (APCR), using over 300 normal donor samples and two distinct laboratory test procedures, one based on an Activated Partial Thromboplastin Time (APTT) and the other on a Russell Viper Venom Time (RVVT).(More)
The identification of specific antibodies for a variety of inherited hemoglobin variants presents the opportunity to develop sensitive immunochemical measurement techniques for such variants. In this study antibodies specific for human hemoglobins A1 and S were isolated from immune rabbit serum. These were labeled with either fluoroscein isothiocyanate or(More)