Usability and validity of a virtual reality cognitive assessment tool for pediatric traumatic brain injury.

PURPOSE/OBJECTIVE: Deficits in executive functions are prevalent among children with traumatic brain injury (TBI). Assessing cognitive impairment is critical for evaluating and monitoring recovery. The present article reports a pilot study to evaluate the preliminary usability and validity of a virtual reality cognitive assessment tool (VR-CAT) specifically designed for children with TBI. RESEARCH METHOD/DESIGN: A total of 54 children, 24 with TBI and 30 with orthopedic injury, participated in a cross-sectional cohort study at a Level-1 trauma center. The VR-CAT was evaluated in terms of user experience as well as preliminary psychometric properties including test-retest reliability, face validity, concurrent validity with two standard executive function assessment tools, and utility in distinguishing the TBI and orthopedic injury groups. RESULTS: Children in both groups reported high levels of usability (i.e., enjoyment and motivation). The VR-CAT composite and scores on tests of inhibitory control and working memory demonstrated modest test-retest reliability across two independent assessment visits, as well as acceptable face validity, modest concurrent validity, and clinical utility. CONCLUSIONS/IMPLICATIONS: The present study is among the first to evaluate the applicability of an immersive VR-CAT in children with TBI. The findings support high usability, adequate psychometric properties, and satisfactory clinical utility of the VR-CAT, suggesting it is a promising tool for assessing executive functions in this vulnerable population. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

Oligodendrogliomas in children.

Oligodendrogliomas are rare central nervous system (CNS) tumors in children. The purpose of this study was to identify prognostic factors for progression free survival (PFS) and overall survival (OS) in pediatric patients with oligodendrogliomas. We retrospectively analyzed clinical data on 37 pediatric patients with oligodendroglial tumors treated at Washington University. Kaplan-Meier method was used to calculate survival rates. Log-rank was used to detect the difference between survival curves. The median age was 11.1 years (range 10 months-18 years), and median follow-up was 4.5 years (range 2 months-30.5 years). The 5-year PFS and OS were 66.4 and 93.4%, respectively. Mixed histology was associated with worse OS compared to patients with pure oligodendroglioma, 5-year OS 77.6 versus 100% (P < 0.01). Patients who underwent gross total resection (GTR) experienced an improved 5-year PFS of 100% compared to 28.8% (P = 0.03) in patients treated with subtotal resection (STR) or biopsy alone. Age >3 years at diagnosis correlated with improved 5-year PFS, 33.3 versus 69.8% (P = 0.01). Neither post-operative chemotherapy nor radiation therapy correlated with improved outcome. GTR and age >3 years at diagnosis remained significant for improved PFS on multivariate analysis. There were no factors correlated with improved overall survival on multivariate analysis. Pediatric oligodendroglial tumors are associated with excellent OS; however, a third of patients developed progressive disease. Our data demonstrate that patients with less than GTR and <3 years at diagnosis are at increased risk for progression and may benefit from more aggressive therapy.

Thrombotic complications of a basilar artery aneurysm in a young adult with Pompe disease.

BACKGROUND: Pompe disease or type 2 glycogen storage disease is an inherited condition that generally afflicts the heart and skeletal muscle. Nervous tissue involvement is known; however, the effect on cerebral vasculature is less well understood. CASE DESCRIPTION: The thrombotic complications of a fusiform basilar artery aneurysm in a young adult patient with Pompe disease is presented with complete CT, MRI, and angiographic findings. CONCLUSION: We suggest that in young adult patients with Pompe disease, MRA screening of intracerebral vessels may be considered with the goal of potentially diagnosing thrombotic and thromboembolic complications.