Cerebrovascular accident is one of the most serious complications of sickle cell anemia. The specific factors that predispose patients with sickle cell anemia to stroke are increased disease severity, higher baseline white blood cell count and lower baseline hematocrits. Likewise the presence of a co-existent alpha thalassemia trait and/or high fetal hemoglobin (HbF%) may reduce the risk. We report a child with sickle cell anemia and marked adenotonsillar hypertrophy resulting in obstructive sleep apnea syndrome. There was no other known risk factor for developing cerebrovascular accident in this child during her hospitalization for adenotonsillectomy.
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