ArticleChild's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery2025
Prospective analysis on possible changes of cognitive functions in children on follow-up for brain tumor.
Article in Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 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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Abstract
purposeThis study was aimed at evaluating cognitive functioning in children with brain tumors before and after surgery and at the end of all adjunctive treatments.
methodsAll newly diagnosed children with primary brain tumor were prospectively assessed. Neurocognitive evaluations were performed before surgery (T0), within 7-10 days from surgery (T1) and 18-24 months after the end of all treatments (T2). Language, memory, attention, executive functions, visual-constructional, and sensorimotor skills were evaluated at T0, T1, and T2, whereas intelligent quotient (IQ) was explored at T0 and T2.
resultsTwenty-five patients (M:F = 15:10, mean age 10.9 ± 3.4 years) were enrolled between January 2019 and December 2022. At baseline, patients showed major deficits in narrative memory (6.6 ± 3.7, p < 0.001) and visuo-spatial memory (copy design tasks: general 6.8 ± 3.9, p < 0.001; specific 6.2 ± 3.3, p < 0.001; and motor 5.2 ± 3.2, p < 0.001). In the post-surgery phase (T1), significant deficits remained in narrative memory (6.2 ± 3.3, p < 0.001) and visual-motor coordination (copy design tasks: specific 5.9 ± 3.0, p < 0.001; motor 4.8 ± 4.3 p < 0.001), while attention and visual-constructional abilities significantly improved (p = 0.04 and p = 0.001 respectively). Nine out of 25 patients (36%) reached the T2 evaluation: persistency of deficits in the area of visuo-spatial processing and a possible decline in median IQ values in comparison to T0 evaluation (93 vs 100, p = 0.05) were shown.
conclusionsChildren with brain tumors may present several neuropsychological impairments since diagnosis. Surgery may have a positive impact in relation to the recovery of some cognitive functions. However, cognitive decline may worsen over time. Baseline and periodic neurocognitive evaluations should be encouraged to indicate targets for cognitive monitoring, to early detect functional difficulties.
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