ArticleNeurology2024
Reversibility of Cognitive Deficits and Functional Connectivity With Transfusion in Children With Sickle Cell Disease.
Article in Neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Neurocognitive gains among Ugandan children with sickle cell anemia on hydroxyurea: 18-month interim trial results.Blood advances · 2025Trial
- Regional brain age is decreased in children with sickle cell anemia.Blood advances · 2026Article
- White matter microstructure abnormalities in thalassemia patients using TBSS analysis based on DTI.Scientific reports · 2025Article
- Cerebral Hemodynamic Responses to Disease-Modifying and Curative Sickle Cell Disease Therapies.Neurology · 2025Article
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11 authors.
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Abstract
BACKGROUND AND
objectivesPeople with sickle cell disease (SCD) are at risk of cognitive dysfunction independent of stroke. Diminished functional connectivity in select large-scale networks and white matter integrity reflect the neurologic consequences of SCD. Because chronic transfusion therapy is neuroprotective in preventing stroke and strengthening executive function abilities in people with SCD, we hypothesized that red blood cell (RBC) transfusion facilitates the acute reversal of disruptions in functional connectivity while white matter integrity remains unaffected.
methodsChildren with SCD receiving chronic transfusion therapy underwent a brain MRI measuring white matter integrity with diffusion tensor imaging and resting-state functional connectivity within 3 days before and after transfusion of RBCs. Cognitive assessments with the NIH Toolbox were acquired after transfusion and then immediately before the following transfusion cycle.
resultsSixteen children with a median age of 12.5 years were included. Global assessments of functional connectivity using homotopy ( DISCUSSION: Strengthening of functional connectivity with concomitant improvement in executive function abilities with transfusion suggests that functional connectivity MRI could be used as a biomarker for acutely reversible neurocognitive injury as novel therapeutics are developed for people with SCD.
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