Delayed Transfusion Reactions*continued Immunohematology Review 477
TYPE CLINICAL SIGNS CAUSE LABORATORY FINDINGS OTHER
Nonimmunologic
Iron overload*Occurring >24 hr after tf.
Problem for pts receiving
repeated tf over long period of
time, e.g., pts with thalassemia,
sickle cell anemia, other chronic
anemias.Build up of iron in
body.Diabetes, cirrhosis,
cardiomyopathy↑serum ferritin