Figure 3.
Growth in knowledge about stroke in sickle cell anemia (SS).
Panel A: Effect of chronic transfusion on recurrence after an initial episode of stroke.39 Panel B: Effect of chronic transfusion on stroke rate in an asymptomatic population without history of stroke shown to have elevated TCD.8
Panel C: Effect of discontinuing chronic transfusion on stroke rate in asymptomatic patients with elevated TCD who had been maintained on transfusion as shown in Panel B.40
Panel D: Incident rate of stroke in SS children living in California (CA), before and after publication of the paper illustrated in Panel B.9 (all figures were modified from the original papers)
