Randomized Controlled Trial Of Fixed Low-Vs Moderate-Dose Hydroxyurea For Primary Stroke Prevention In Sub-Saharan Africa: Final Results Of The Spring Trial
BLOOD(2020)
摘要
Introduction: In children with sickle cell anemia (SCA) without transcranial Doppler (TCD) screening, the incidence rates of ischemic strokes is approximately the same among children living in low- and high- low-resource settings (Pediatr Neurol. 2019;95:73-78.) with a prevalence of ~ 11%. However, in high-income settings, the standard use of TCD ultrasonography, coupled initially with monthly blood transfusion therapy has dropped the stroke prevalence to < 1%. In a low-income setting, such as Nigeria, where 50% of children in the world with SCA are born (150,000 per year), initial monthly blood transfusion therapy is not practical for most children.
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