<unk>  is the repeated failure to achieve the desired level of blood platelets in a patient following a platelet transfusion. The cause of<unk>  may be either immune or non-immune. Among immune-related<unk> , antibodies against HLA antigens are the primary cause. Non-immune causes include splenomegaly (enlargement of the spleen), fever, and sepsis.
Platelet transfusion refractoriness
Pseudothrombocytopenia
COAT platelet defect
Platelet storage pool deficiency
Mechanical hemolytic anemia
Reticulocytopenia
Febrile non-hemolytic transfusion reaction
Transfusion-dependent anemia