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1.
J Natl Cancer Inst ; 2024 Aug 20.
Artigo em Inglês | MEDLINE | ID: mdl-39163487

RESUMO

BACKGROUND: Young children treated for central nervous system (CNS) malignancies are at high risk for difficulties with academic functioning due to increased vulnerability of the developing brain and missed early developmental opportunities. Extant literature examining academics in this population is limited. We investigated academic readiness, its clinical and demographic predictors, and its relationship with distal academic outcomes among patients treated for CNS tumors during early childhood. METHODS: Seventy patients with newly diagnosed CNS tumors were treated on a prospective, longitudinal, multisite study with chemotherapy, with or without photon or proton irradiation. Patients underwent assessments of academic skills at baseline, six months, one year, and then annually for five years. Assessments measured academic readiness and academic achievement in reading and math. RESULTS: Mixed linear models revealed slowed development of academic readiness skills over time. Socioeconomic status (SES) was predictive of academic readiness at all time points. Other demographic (eg, age at treatment) and clinical (eg, shunt status, treatment exposure) variables were not predictive of academic readiness. Distal reading difficulties were proportionally greater than normative expectations while math difficulties did not differ. Academic readiness was predictive of distal academic outcomes in reading and math. CONCLUSIONS: Treatment for CNS malignancies in early childhood appears to slow development of academic readiness skills, with SES predictive of risk. Academic readiness skills were predictive of subsequent academic achievement. A disproportionate number of long-term survivors performed below age-based expectations in reading. These findings suggest the need for monitoring and interventions targeting early academic skills in this population.

2.
Neurooncol Pract ; 11(3): 319-327, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38737617

RESUMO

Background: Performance validity tests (PVTs) and symptom validity tests (SVTs) are essential to neuropsychological evaluations, helping ensure findings reflect true abilities or concerns. It is unclear how PVTs and SVTs perform in children who received radiotherapy for brain tumors. Accordingly, we investigated the rate of noncredible performance on validity indicators as well as associations with fatigue and lower intellectual functioning. Methods: Embedded PVTs and SVTs were investigated in 98 patients with pediatric craniopharyngioma undergoing proton radiotherapy (PRT). The contribution of fatigue, sleepiness, and lower intellectual functioning to embedded PVT performance was examined. Further, we investigated PVTs and SVTs in relation to cognitive performance at pre-PRT baseline and change over time. Results: SVTs on parent measures were not an area of concern. PVTs identified 0-31% of the cohort as demonstrating possible noncredible performance at baseline, with stable findings 1 year following PRT. Reliable digit span (RDS) noted the highest PVT failure rate; RDS has been criticized for false positives in pediatric populations, especially children with neurological impairment. Objective sleepiness was strongly associated with PVT failure, stressing need to consider arousal level when interpreting cognitive performance in children with craniopharyngioma. Lower intellectual functioning also needs to be considered when interpreting task engagement indices as it was strongly associated with PVT failure. Conclusions: Embedded PVTs should be used with caution in pediatric craniopharyngioma patients who have received PRT. Future research should investigate different cut-off scores and validity indicator combinations to best differentiate noncredible performance due to task engagement versus variable arousal and/or lower intellectual functioning.

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