ArticleStroke (Hoboken, N.J.)2025
Recovery of Intrinsic Cognitive Weakness in Successive Processing After Bypass Surgery for Pediatric Moyamoya Disease.
Article in Stroke (Hoboken, N.J.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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15 authors.
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Abstract
Background: Successive processing, a form of working memory function detected with the Das Naglieri Cognitive Assessment System, is selectively impaired in pediatric moyamoya disease. We aimed to test whether successive processing in children with moyamoya disease was improved after bypass surgery under the control of confounding. Methods: The present retrospective cohort study included children with moyamoya disease who underwent direct or combined bypass surgery. Neuropsychological tests including the Das Naglieri Cognitive Assessment System were administered at 2 time points, before and after surgery, approximately 1 year apart. The least squares (LS) mean standard score and LS mean difference between time points were calculated using a mixed model for repeated measures, which included 5 clinical factors along with the time point. Models including an interaction term were also generated to assess the effect of each clinical factor. Cognitive intra-individual variability across 4 domains of the Das Naglieri Cognitive Assessment System was assessed with an analysis of variance at each time point. Results: Of 60 patients who underwent surgery, 42 fulfilled the inclusion criteria. The median duration between assessments was 15 months. The LS mean standard scores of successive processing increased after surgery (LS mean, 95.8 versus 100.2; LS mean difference, 4.4 [95% CI, 1.5-7.3]; Conclusion: The present results suggest that successive processing is improved after bypass surgery. Larger and longer follow-up studies are required to confirm the influencing factors and long-term effects.
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