Search

ObjectiveOur study addressed aims: (1) test the hypothesis that moderate-severe TBI in pediatric patients is associated with widespread white matter (WM) disruption; (2) test the hypothesis that age and sex impact WM organization after injury; and (3) examine associations between WM organization and neurobehavioral outcomes.MethodsData from ten previously enrolled, existing cohorts recruited from local hospitals and clinics were shared with the ENIGMA (Enhancing NeuroImaging Genetics through Meta-Analysis) Pediatric msTBI working group. We conducted a coordinated analysis of diffusion MRI (dMRI) data using the ENIGMA dMRI processing pipeline.ResultsFive hundred and seven children and adolescents (244 with complicated mild to severe TBI [msTBI] and 263 controls) were included. Patients were clustered into three post-injury intervals: acute/subacute -

Traumatic brain injury (TBI) is a major cause of death and disability in children in both developed and developing nations. Children and adolescents suffer from TBI at a higher rate than the general population, and specific developmental issues require a unique context since findings from adult research do not necessarily directly translate to children. Findings in pediatric cohorts tend to lag behind those in adult samples. This may be due, in part, both to the smaller number of investigators engaged in research with this population and may also be related to changes in safety laws and clinical practice that have altered length of hospital stays, treatment, and access to this population. The ENIGMA (Enhancing NeuroImaging Genetics through Meta-Analysis) Pediatric Moderate/Severe TBI (msTBI) group aims to advance research in this area through global collaborative meta-analysis of neuroimaging data. In this paper, we discuss important challenges in pediatric TBI research and opportunities that we believe the ENIGMA Pediatric msTBI group can provide to address them. With the paucity of research studies examining neuroimaging biomarkers in pediatric patients with TBI and the challenges of recruiting large numbers of participants, collaborating to improve statistical power and to address technical challenges like lesions will significantly advance the field. We conclude with recommendations for future research in this field of study.

Objective: To understand how methylphenidate (MPH) is used in youth with traumatic brain injury (TBI) during inpatient pediatric rehabilitation. Setting: Inpatient pediatric rehabilitation. Participants: In total, 234 children with TBI; 62 of whom received MPH and 172 who did not. Patients were on average 11.6 years of age (range, 2 months to 21 years); 88 of 234 were female; the most common mechanism of injury was motor vehicle collision (49%); median (IQR) acute hospital length of stay (LOS) and inpatient rehabilitation LOS were 16 (10-29) and 23 (14-39), respectively; 51 of 234 were in a disorder of consciousness cognitive state at time of inpatient rehabilitation admission. Design: Multicenter, retrospective medical record review. Main Measure(s): Patient demographic data, time to inpatient pediatric rehabilitation admission (TTA), cognitive state, MPH dosing (mg/kg/day). Results: Patients who received MPH were older (P =.011); TTA was significantly longer in patients who received MPH than those who did not (P =.002). The lowest recorded dose range by weight was 0.05 to 0.89 mg/kg/d, representing an 18-fold difference; the weight-based range for the maximum dose was 0.11 to 0.97 mg/kg/d, a 9-fold difference. Patients in lower cognitive states at admission (P =.001) and at discharge (P =.030) were more likely to receive MPH. Five patients had side effects known to be associated with MPH; no serious adverse events were reported. Conclusion: This multicenter study indicates that there is variable use of MPH during acute inpatient rehabilitation for children with TBI. Children who receive MPH tend to be older with lower cognitive states. Dosing practices are likely consistent with underdosing. Clinical indications for MPH use during inpatient pediatric rehabilitation should be better defined. The use of MPH, as well as its combination with other medications and treatments, during inpatient rehabilitation needs to be further explored. [ABSTRACT FROM AUTHOR]

Objective: To examine predictive utility of the Glasgow Coma Scale (GCS), time to follow commands (TFC), length of posttraumatic amnesia (PTA), duration of impaired consciousness (TFC+PTA), and the Cognitive and Linguistic Scale (CALS) scores in predicting outcomes on the Glasgow Outcome Scale–Extended, Pediatric Revision (GOS-E Peds) for children with traumatic brain injury (TBI) at 2 months and 1 year after discharge from rehabilitation. Setting: A large, urban pediatric medical center and inpatient rehabilitation program. Participants: Sixty youth with moderate-to-severe TBI (mean age at injury = 13.7 years; range = 5-20). Design: A retrospective chart review. Main Measures: Lowest postresuscitation GCS, TFC, PTA, TFC+PTA, inpatient rehabilitation admission and discharge CALS scores, GOS-E Peds at 2-month and 1-year follow-ups. Results: CALS scores were significantly correlated with the GOS-E Peds at both time points (weak-to-moderate correlation for admission scores and moderate correlation for discharge scores). TFC and TFC+PTA were correlated with GOS-E Peds scores at a 2-month follow-up and TFC remained a predictor at a 1-year follow-up. The GCS and PTA were not correlated with the GOS-E Peds. In the stepwise linear regression model, only the CALS at discharge was a significant predictor of the GOS-E Peds at the 2-month and 1-year follow-ups. Conclusions: In our correlational analysis, better performance on the CALS was associated with less long-term disability, and longer TFC was associated with more long-term disability, as measured by the GOS-E Peds. In this sample, the CALS at discharge was the only retained significant predictor of GOS-E Peds scores at 2-month and 1-year follow-ups, accounting for roughly 25% of the variance in GOS-E scores. As previous research suggests, variables related to rate of recovery may be better predictors of outcome than variables related to severity of injury at a single time point (eg, GCS). Future multisite studies are needed to increase sample size and standardize data collection methods for clinical and research purposes. [ABSTRACT FROM AUTHOR]

This study examined the associations among chronic stress, activation in the prefrontal cortex (PFC), executive function, and coping with stress in at-risk and a comparison sample of adolescents. Adolescents (N = 16; age 12-15) of mothers with (n = 8) and without (n = 8) a history of depression completed questionnaires, neurocognitive testing, and functional neuroimaging in response to a working memory task (N-back). Children of depressed mothers demonstrated less activation in the anterior PFC (APFC) and both greater and less activation than controls in distinct areas within the dorsal anterior cingulate cortex (dACC) in response to the N-back task. Across both groups, activation of the dorsolateral PFC (DLPFC; Brodmann area [BA9]) and APFC (BA10) was positively correlated with greater exposure to stress and negatively correlated with secondary control coping. Similarly, activation of the dACC (BA32) was negatively correlated with secondary control coping. Regression analyses revealed that DLPFC, dACC, and APFC activation were significant predictors of adolescents’ reports of their use of secondary control coping and accounted for the effects of stress exposure on adolescents’ coping. This study provides evidence that chronic stress may impact coping through its effects on the brain regions responsible for executive functions foundational to adaptive coping skills. [ABSTRACT FROM AUTHOR]

This study aims to evaluate the efficacy of a brief cognitive behavioral intervention program for children and adolescents experiencing persistent post-concussion symptoms. A total of 31 patients aged 10 to 18 years participated in the intervention. The median time since injury at treatment onset was 95 days though the range was large (23-720 days). Treatment was on average four sessions in duration. Sessions included concussion education, activity scheduling, sleep hygiene relaxation training, and cognitive restructuring. Outcomes were measured using symptom reports on the Sports Concussion Assessment Tool - Third Edition (SCAT-3) and parent-reported quality of life on the Pediatric Quality of Life Inventory (PedsQL). Mixed-effects models revealed that symptom reports did not decrease prior to the initiation of this treatment, though significant symptom improvement occurred following treatment. Quality of life scores significantly improved across domains, with the largest gains made in the emotional and school domains. Participant characteristics including age, sex, maternal education, and previous mental health problems were not found to be significantly related to treatment outcomes. Contrary to predictions, length of time since injury was not related to symptom changes. The primary limitation of this study is that it lacks randomization and an experimental control group. The results suggest that brief cognitive behavioral intervention may be a promising treatment for children and adolescents experiencing persistent post-concussive symptoms and warrants further investigation. [ABSTRACT FROM AUTHOR]