Background:
Flow artifact, intrinsic to Magnetic Resonance Angiography (MRA), is dependent on technical parameters and can lead to overinterpretation of stenosis. Degree of cerebrovascular stenosis in pediatric patients with sickle cell anemia (SCA) informs need for chronic transfusion therapy, which may have significant risks. The primary objective of this study was to document any change in stroke prevention therapy that could be attributed to the implementation of a standardized MRA scanning protocol.