alexa Platelet associated immunoglobulins in primary biliary cirrhosis: a cause of thrombocytopenia?
Microbiology

Microbiology

Journal of Bacteriology & Parasitology

Author(s): Bassendine MF, Collins JD, Stephenson J, Saunders P, James OF

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Abstract Thrombocytopenia in cirrhotic patients is usually attributed to splenic pooling whereas in idiopathic thrombocytopenic purpura it is related to platelet bound immunoglobulin (PA-IgG). Since primary biliary cirrhosis (PBC) is an autoimmune disorder we have undertaken a prospective study to assess the frequency and possible relationship of PA-IgG to thrombocytopenia in this condition. Sixty-two primary biliary cirrhosis patients (28 precirrhotic; 34 cirrhotic) were studied. Twenty-five patients (40\%) had raised PA-IgG of whom 18 had cirrhosis. There was a significant inverse correlation between platelet count and PA-IgG (p less than 0.001) and between platelet count and spleen size (p less than 0.001). Thrombocytopenia (platelets less than 100 X 10(9)/l) was found in nine patients (15\%); all nine had raised PA-IgG and eight were cirrhotic with an enlarged spleen. Two cirrhotic patients with persistent thrombocytopenia and bleeding episodes were treated with prednisolone and showed a useful therapeutic response. These results suggest that immune mediated platelet destruction and splenic pooling of platelets may both play a part in the thrombocytopenia observed in primary biliary cirrhosis.
This article was published in Gut and referenced in Journal of Bacteriology & Parasitology

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