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Value of questionnaire-based screening as a proxy for neurocognitive testing in childhood-onset systemic lupus erythematosus

Vega-Fernandez, P.; Zelko, F. A.; Klein-Gitelman, M.; Lee, J.; Hummel, J.; Nelson, S.; Thomas, E. C.; Ying, J.; Beebe, D. W.; Brunner, H. I.

Arthritis Care Res (Hoboken). 2013 Dec 18; 66(6):943-8


OBJECTIVE: To investigate the utility of questionnaire-based assessment of cognitive function and behavioral/emotional symptoms to screen for neurocognitive dysfunction in childhood-onset systemic lupus erythematosus (cSLE). METHODS: Forty children with cSLE and 24 healthy controls ages 10-16 years were enrolled. Formal neurocognitive testing (FNCT) was done to determine cognitive performance in 4 key areas that appear to be sensitive to the adverse effects of cSLE: attention, working memory, psychomotor speed, and visuoconstructional ability. Paper and pencil questionnaires sampling cognitive functioning and behavioral/emotional symptoms were also completed: the Subjective Awareness of Neuropsychological Deficits for Children (SAND-C) questionnaire by patients, and the Child Behavioral Checklist and the Behavior Rating Inventory of Executive Function (BRIEF) by parents. RESULTS: Domain and summary scores of the BRIEF and SAND-C correlated modestly with participants' performance on FNCT. Questionnaire ratings did not discriminate subjects with different levels of cognitive ability as measured by FNCT. CONCLUSION: Contrary to some reports in adults with SLE, self-administered questionnaires of cognitive functioning and parent ratings of executive functioning do not appear well suited to replace FNCT in screening for neurocognitive impairment of children and adolescents with cSLE. However, they may provide information that is complementary to FNCT and therefore play a useful role in clinical followup.

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