Autoimmune heparin‐induced thrombocytopenia (aHIT) indicates the presence in patients of
anti‐platelet factor 4 (PF4)–polyanion antibodies that are able to activate platelets strongly …

Heparin has been used extensively as an antithrombotic and anticoagulant for close to 100
years. This anticoagulant activity is attributed mainly to the pentasaccharide sequence …

Vaccine-induced immune thrombotic thrombocytopaenia (VITT) is a rare adverse effect of
COVID-19 adenoviral vector vaccines,–. VITT resembles heparin-induced …

Background Several cases of unusual thrombotic events and thrombocytopenia have
developed after vaccination with the recombinant adenoviral vector encoding the spike …

Vaccine administration is under way worldwide to combat the current COVID‐19 pandemic.
The newly developed vaccines are highly effective with minimal adverse effects. Recently …

The use of high-dose intravenous immune globulin (IVIG) plus anticoagulation is
recommended for the treatment of vaccine-induced immune thrombotic thrombocytopenia …

Platelet-activating anti-platelet factor 4 (PF4)/heparin antibodies and anti-PF4 antibodies
cause heparin-induced thrombocytopenia (HIT) and vaccine-induced immune …

Heparin‐induced thrombocytopenia (HIT) is a clinical‐pathological disorder; thus, laboratory
testing for the pathogenic platelet‐activating antiplatelet factor 4 (PF 4)/heparin antibodies is …

The massive COVID-19 vaccine roll-out campaign illuminated a range of rare side effects,
the most dangerous of which─ vaccine-induced immune thrombotic thrombocytopenia …

Background Four platelet-activating anti-platelet factor 4 (PF4) disorders have been
recognized: classic heparin-induced thrombocytopenia (cHIT), autoimmune heparin …