PMID: 11899844Mar 20, 2002Paper

Autoimmune thrombocytopenia in chronic liver disease

Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego
A Panasiuk, J Zak

Abstract

Thrombocytopenia (TP) often accompanies chronic liver diseases. The causes are numerous and include impaired production of blood platelets, spleen sequestration, and the immune factors, e.g. antiplatelet autoantibodies. ELISA (GTI-PAKPLUS) examinations were conducted in order to estimate the rate of autoimmune thrombocytopenia occurrence in patients with thrombocytopenia in the course of chronic hepatitis (10 patients) and liver cirrhosis (20 patients). Blood platelet activity was also evaluated as well as the expression of platelet glycoproteins (GPIIb, GPIIIa, and GPIX) in platelets of the patients and the controls. It was observed that autoimmune TP occurred in 30% of patients with liver cirrhosis and in 10% of patients with chronic hepatitis, in which anti-GPIIb/IIIa, GPIa/IIa, and HLA class I antibodies were detected. In all patients there occurred significant/marked platelet activation with CD61P expression. Thrombocytopenia in patients showed a similar activity after thrombin stimulation to that in healthy individuals. Expression on GPIIb platelet receptors was markedly increased and GPIX decreased in patients in comparison to the controls. There was no correlation between the occurrence of certain types of anti-platelet...Continue Reading

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