Favorable and adverse effects of chronic transfusion in children with sickle cell anemia with elevated velocities as determined by transcranial Doppler untrasonography (TCD).10 –12
Decreased strokes
Decreased silent infarcts
Decreased pain events
Decreased acute chest syndrome
Improved growth
Decreased hemolysis
Increased ferritin
Increased alloimmunization
? Increased exposure to pathogens
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