Table 4.
Sequestration of platelets in the spleen |
Reduced production of thrombopoietin |
Co-morbidities (viral infections, alcoholism, malnutrition) |
Myelosuppression (viral infections, alcoholism, folate deficiency, drugs) |
In HCV-infected immunological thrombocytopenia |
Disordered platelet function |
Disordered production |
Acquired storage disorder |
Disorders of secretion |
Changed NO concentration (and altered activity) |
Changes in the concentration of arachidonic acid in the platelet wall (less TXA2) |
Effect of circulating paraproteins |