The platelet factor-3 test for detection of canine antiplatelet antibody.
Autoimmune thrombocytopenia can be diagnosed by demonstrating antiplatelet antibody in patient's serum using a platelet factor-3 test. A procedure was developed to conduct the platelet factor-3 test using a Fibrometer to record coagulation time. The procedure provides a more practical and consistent way of reading results than making visual observations. It is also simple enough for use as a laboratory method to evaluate thrombocytopenic patients. With this procedure, positive results were obtained for about one-third of the thrombocytopenic dogs examined so far.
Department of Clinical Pathology, School of Veterinary Medicine, University of California, Davis, California 95616.
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