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Journal article

Cognitive screening for silent cerebral infarction in children with sickle cell disease.

DeBaun M, Schatz J, Siegel M, Koby M, Craft S, Resar L, Chu J, Launius G, Dadash-Zadeh M, Lee R, Noetzel M ...see all

Journal of pediatric hematologyoncology official journal of the American Society of Pediatric HematologyOncology, vol. 28, issue 3 (2006) pp. 166-169

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OBJECTIVE: In children with sickle cell disease (SCD), silent cerebral infarcts are the most frequent cause of neurologic injury. We determined the sensitivity and specificity of selective neurocognitive measures when separating children with silent cerebral infarcts and SCD from sibling controls. Additionally, we tested the validity of the same cognitive measures to identify patients with overt strokes. METHODS: We examined performance on a neuropsychologic battery containing measures of attention/executive, spatial, language, memory, and motor functioning for seven children with SCD and silent cerebral infarct, 21 children with SCD and overt stroke, and 17 normal siblings. Diagnosis of cerebral infarct was based on results of MRI. RESULTS: Measures from the attention and executive domains were the most useful for identifying children with silent cerebral infarct. The Test of Variables of Attention was the most robust measure and yielded a sensitivity rate of 86% and a specificity rate of 81%. This measure also showed a sensitivity rate of 95% in identifying overt stroke. CONCLUSIONS: Brief cognitive screening measures, if properly constructed, may be an effective means of identifying children with silent cerebral infarct. Future prospective studies should be pursued to assess the utility of cognitive screening for silent cerebral infarcts in SCD.

Author-supplied keywords

  • adolescent
  • algorithms
  • anemia
  • cerebral infarction
  • cerebral infarction etiology
  • cerebral infarction physiopathology
  • child
  • cognition disorders
  • cognition disorders diagnosis
  • cognition disorders etiology
  • humans
  • mass screening
  • neuropsychological tests
  • sickle cell
  • sickle cell complications
  • wechsler scales

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  • PMID: 16679942


  • M R DeBaun

  • J Schatz

  • M J Siegel

  • M Koby

  • S Craft

  • L Resar

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