Journal of neurotrauma最新文献

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Supra-Prophylactic Doses of Enoxaparin Reduces Fibrin Deposition Without Exacerbation of Intracerebral Hemorrhage in a Rat Model of Penetrating Traumatic Brain Injury. 在穿透性创伤性脑损伤大鼠模型中,超预防剂量依诺肝素可减少纤维蛋白沉积而不会加重脑内出血。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2025-01-01 Epub Date: 2024-11-08 DOI: 10.1089/neu.2023.0060
Zachary S Bailey, Anke H Scultetus, Alexandru Korotcov, Ping Wang, Xiaofang Yang, Katherine Cardiff, Fangzhou Yang, Stephen T Ahlers, Deborah A Shear, Randy S Bell
{"title":"Supra-Prophylactic Doses of Enoxaparin Reduces Fibrin Deposition Without Exacerbation of Intracerebral Hemorrhage in a Rat Model of Penetrating Traumatic Brain Injury.","authors":"Zachary S Bailey, Anke H Scultetus, Alexandru Korotcov, Ping Wang, Xiaofang Yang, Katherine Cardiff, Fangzhou Yang, Stephen T Ahlers, Deborah A Shear, Randy S Bell","doi":"10.1089/neu.2023.0060","DOIUrl":"10.1089/neu.2023.0060","url":null,"abstract":"<p><p>Deep vein thrombosis and pulmonary embolism prophylaxis is an important part of trauma care. Despite an increased risk of thrombotic complications, the use of venous thrombosis chemoprophylaxis in penetrating traumatic brain injury (pTBI) patients is met with reluctance from neurosurgeons because of concern for the exacerbation of intracerebral hemorrhage. The objective of this study was to provide initial pre-clinical evidence of the effects of Lovenox (LVX) administration following pTBI with significant intracerebral hemorrhage. Sprague-Dawley rats received a penetrating ballistic-like brain injury. Animals were randomly divided into two groups following injury: LVX (25 mg/kg) or vehicle (VEH, saline). LVX or vehicle was administered subcutaneously beginning 24 h after the injury and continued daily for 7 days post-injury. A neurological assessment was performed daily and magnetic resonance imaging (MRI) was performed at baseline, 1, 2, 3, and 7 days post-injury. Following the final MRI, brains were isolated and prepared for histological analysis. Thromboelastography demonstrated dramatic anticoagulation effects which were confirmed by significant increases in partial thromboplastin time (<i>p</i> < 0.001). Daily neurological assessment revealed no worsening of functional deficits following LVX treatment. MRI analysis demonstrated no differences in cerebral edema or intracranial hemorrhage volumes between treatment groups at any tested post-injury time points. However, LVX elicited a significant reduction in fibrin deposition in the ipsilateral striatum and lesion site at 7 days post-injury (<i>p</i> < 0.05). Serum levels of beta-amyloid were decreased at 7 days following LVX treatment (<i>p</i> < 0.05) which may indicate neuroprotective effects but was not correlated to brain levels. The results presented indicate that administration of LVX at a dose capable of inducing anticoagulation is safe in a rodent model of pTBI without exacerbation of intracerebral hemorrhage within the first 7 days of injury.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"107-117"},"PeriodicalIF":3.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Goal-Oriented Attentional Self-Regulation Training in Chronic Mild Traumatic Brain Injury is Linked to Microstructural Plasticity in Prefrontal White Matter. 慢性轻度创伤性脑损伤中以目标为导向的注意力自我调节训练与前额叶白质的微结构可塑性有关。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2025-01-01 Epub Date: 2024-10-29 DOI: 10.1089/neu.2023.0229
Haleh Karbasforoushan, Jamie Wren-Jarvis, Anna Hwang, Rachel Santiago, Sky Raptentsetsang, Lanya T Cai, Jaclyn Xiao, Brian A Maruyama, Gary M Abrams, Tatjana Novakovic-Agopian, Pratik Mukherjee
{"title":"Goal-Oriented Attentional Self-Regulation Training in Chronic Mild Traumatic Brain Injury is Linked to Microstructural Plasticity in Prefrontal White Matter.","authors":"Haleh Karbasforoushan, Jamie Wren-Jarvis, Anna Hwang, Rachel Santiago, Sky Raptentsetsang, Lanya T Cai, Jaclyn Xiao, Brian A Maruyama, Gary M Abrams, Tatjana Novakovic-Agopian, Pratik Mukherjee","doi":"10.1089/neu.2023.0229","DOIUrl":"10.1089/neu.2023.0229","url":null,"abstract":"<p><p>Impaired attention is one of the most common, debilitating, and persistent consequences of traumatic brain injury (TBI), which impacts overall cognitive and executive functions in these patients. Previous neuroimaging studies, trying to understand the neural mechanism underlying attention impairment post TBI, have highlighted the role of prefrontal white matter tracts in attentional functioning in mild TBI (mTBI). Goal-Oriented Attentional Self-Regulation (GOALS) is a cognitive rehabilitation training program that targets executive control functions in participants by applying mindfulness-based attention regulation and goal management strategies. GOALS training has been demonstrated to improve attention and executive functioning in patients with chronic TBI. However, its impact on microstructural integrity of attention-associated prefrontal white matter tracts is still unclear. Here, using diffusion magnetic resonance imaging in a pilot randomized controlled trial, we investigated the effect of GOALS training on prefrontal white matter microstructure in 19 U.S. military veterans with chronic mTBI, compared with a matched control group of 14 veterans with chronic mTBI who received standard of care brain health education. We also tested for an association between microstructural white matter changes and sustained attention ability in these patients pre- and post-GOALS training. Our results show significantly better white matter microstructural integrity in left and right anterior corona radiata (ACR) in the GOALS group compared with the control group post-training. Moreover, we found a significant correlation between sustained attention ability of GOALS training participants and white matter integrity of their right ACR pre- and post-training. Finally, our findings indicated that the improved white matter integrity of the ACR in GOALS training participants was the result of increased neurite density and decreased fiber orientation dispersion within this tract.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"46-56"},"PeriodicalIF":3.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142522138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cell-Specific Gene Expressions Underlie Selective White Matter Loss Vulnerability in Mild Traumatic Brain Injury. 细胞特异性基因表达是轻度创伤性脑损伤白质丢失脆弱性的基础。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2025-01-01 Epub Date: 2024-10-25 DOI: 10.1089/neu.2024.0022
Xiaoyan Jia, Wenpu Zhao, Haonan Zhang, Xiang Zhang, Qiuyu Ji, Xuan Li, Yizhen Pan, Xiaofan Jiang, Jie Zhang, Lijun Bai
{"title":"Cell-Specific Gene Expressions Underlie Selective White Matter Loss Vulnerability in Mild Traumatic Brain Injury.","authors":"Xiaoyan Jia, Wenpu Zhao, Haonan Zhang, Xiang Zhang, Qiuyu Ji, Xuan Li, Yizhen Pan, Xiaofan Jiang, Jie Zhang, Lijun Bai","doi":"10.1089/neu.2024.0022","DOIUrl":"10.1089/neu.2024.0022","url":null,"abstract":"<p><p>Traumatic brain injury (TBI), a risk factor for later-life dementia, leads to salient brain atrophy, particularly in the white matter. It is not clear how white matter atrophy progresses or why some brain regions are damaged while others are spared. We hypothesized that spatial variations of cell-specific gene expression contributed to the selective white matter loss vulnerability following mild TBI (mTBI). Gene expression data were sourced from the publicly available Allen Human Brain Atlas, which comprises microarray data spanning nearly the entire brain, derived from six neurologically normal adult donors. A total of 100 patients with acute stage (within 7 days post-injury) mTBI were enrolled. Of these, 60 patients were followed up at 3 months post-injury and 37 were followed up at 6-12 months post-injury. In addition, 59 healthy controls (HCs), matched for age, gender, and education, were included for comparative analysis. White matter volume changes were analyzed at both the acute stage, 3 months, and 6-12 months follow-up in mTBI patients compared with HCs. Patients with mTBI exhibited significant white matter atrophy in the frontal, parietal, and temporal cortices at 3 months post-injury, which even persisted at 6-12 months follow-up. In addition, mTBI patients with cognitive deficits showed more severe brain atrophy compared with those without cognitive deficits. Crucially, the gene expression marking endothelial cells and S1 pyramidal neurons were associated with increased brain atrophy, whereas the gene expression marking microglia and CA1 pyramidal neurons were associated with decreased brain atrophy in mTBI patients at 3 months post-injury. Microglia and endothelial cells can explain 23.6% of regional variations in the white matter atrophy. These findings suggested that modulating cellular activation, especially by promoting microglial activation at 3 months post-injury, might be a promising approach to prevent white matter atrophy, enhance cognitive outcomes, and reduce the risk of later-life dementia.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"118-130"},"PeriodicalIF":3.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142502333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Co-Occurrence of Vestibular/Ocular Motor Provocation and State Anxiety in Adolescents and Young Adults with Concussion. 青少年和青年脑震荡患者前庭/眼运动刺激和状态焦虑的共同发生。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-23 DOI: 10.1089/neu.2024.0472
Melissa N Womble, Kori J Durfee, Sabrina Jennings, Sheri Fedor, Aaron J Zynda, Philip Schatz, Michael W Collins, Anthony P Kontos, R J Elbin
{"title":"The Co-Occurrence of Vestibular/Ocular Motor Provocation and State Anxiety in Adolescents and Young Adults with Concussion.","authors":"Melissa N Womble, Kori J Durfee, Sabrina Jennings, Sheri Fedor, Aaron J Zynda, Philip Schatz, Michael W Collins, Anthony P Kontos, R J Elbin","doi":"10.1089/neu.2024.0472","DOIUrl":"https://doi.org/10.1089/neu.2024.0472","url":null,"abstract":"<p><p>Vestibular/ocular motor provocation and state anxiety are both independently linked to poor recovery outcomes following concussion. However, the relationship between these two clinical presentations and their co-occurring effects on concussion recovery outcomes is understudied. The purpose was to examine the co-occurring effects of vestibular/ocular motor provocation and state anxiety following concussion. There were 532 participants (15-25 years) with concussions who completed the vestibular/ocular motor screening (VOMS), State-Trait Anxiety Inventory, and the Post-Concussion Symptom Scale within 30 days of injury. Participants were classified into provocation (PROV) and no provocation (NO PROV) groups based on exceeding/not exceeding VOMS cutoffs. An analysis of covariance was used to examine between-group comparisons on state anxiety scores; and logistic regressions, with adjusted odds ratios (Adj OR), were used to evaluate predictors of clinical levels of state anxiety and protracted recovery. A total of 418 participants (78.6%; age = 17.2 ± 2.6; 65% female) exceeding VOMS cutoffs were in the PROV, and 114 (21.4%; age = 16.6 ± 2.2; 53% female) participants were in the NO PROV group. The PROV group (mean [<i>M</i>] <i>=</i> 39.50, standard deviation [<i>SD</i>] <i>=</i> 12.05) exhibited significantly higher state anxiety scores than the NO PROV group (<i>M =</i> 32.45, <i>SD =</i> 10.43) (<i>F</i>[1, 532] = 15.36, <i>p</i> < 0.001, <i>η</i><sup>2</sup>= 0.03). Vestibular/ocular motor provocation (Adj OR =3.35, <i>p</i> < 0.001, 95% confidence interval [CI]: 1.42-3.88) was the most robust predictor of clinical state anxiety following concussion (χ<sup>2</sup> [4, 532] = 86.78, <i>p</i> < 0.001). Participants exhibiting vestibular/ocular motor provocation with clinical levels of state anxiety were at 2.47 times (<i>p</i> < 0.001, 95% CI: 1.53-3.99) greater odds of experiencing a protracted concussion recovery than participants with vestibular/ocular motor provocation without clinical state anxiety. Vestibular/ocular motor provocation is associated with increased state anxiety following concussion, and the addition of clinical state anxiety to vestibular/ocular motor provocation increases the odds for protracted recovery. Clinicians should assess vestibular/ocular motor function and anxiety following concussion.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":""},"PeriodicalIF":3.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142876510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detecting Mild Traumatic Brain Injury after Combat Deployment: Agreement Between Veterans Health Administration Clinical System and LIMBIC-CENC Research Protocol. 检测作战部署后的轻度脑外伤:退伍军人健康管理局临床系统与 LIMBIC-CENC 研究协议之间的协议。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-20 DOI: 10.1089/neu.2024.0316
William C Walker, Terri K Pogoda, Kaleb G Eppich, Clara E Dismuke-Greer, Samuel R Walton, Chelsea McCarty Allen, Sarah L Martindale, Nicholas D Davenport, Jared A Rowland, Shannon R Miles, Mary Jo Pugh, David X Cifu
{"title":"Detecting Mild Traumatic Brain Injury after Combat Deployment: Agreement Between Veterans Health Administration Clinical System and LIMBIC-CENC Research Protocol.","authors":"William C Walker, Terri K Pogoda, Kaleb G Eppich, Clara E Dismuke-Greer, Samuel R Walton, Chelsea McCarty Allen, Sarah L Martindale, Nicholas D Davenport, Jared A Rowland, Shannon R Miles, Mary Jo Pugh, David X Cifu","doi":"10.1089/neu.2024.0316","DOIUrl":"https://doi.org/10.1089/neu.2024.0316","url":null,"abstract":"&lt;p&gt;&lt;p&gt;Identifying historical mild traumatic brain injury (TBI) is important for many clinical care reasons; however, diagnosing mild TBI is inherently challenging and utility of screening is unknown. This study compares a standardized research process to an established clinical process for screening and diagnosis of historical mild TBI during combat deployment in a military/Veteran cohort. Using validated instruments, the Long-term Impact of Military-relevant Brain Injury Consortium-Chronic Effects of Neurotrauma Consortium (LIMBIC-CENC) prospective longitudinal study (PLS) screens for all potential concussive events (PCEs) and conducts structured concussion diagnostic interviews for each PCE. The Veterans Health Administration (VHA) systematically screens all Veterans with a post-9/11 combat deployment for historical TBI and offers a comprehensive TBI evaluation (CTBIE) for those who screen positive. This study evaluates the agreement between these two systems on both PCE and mild TBI identification during combat deployment and identifies features of Veterans who were negative clinically but positive in research. VHA TBI screen and CTBIE data were obtained from Veterans Affairs Informatics and Computing Infrastructure and linked to the LIMBIC-CENC PLS dataset. VHA screen positive for PCE was defined as a positive response for the first two VHA TBI screen questions of that query mechanism and immediate signs/symptoms of TBI. The PLS identified more positive PCE screens during combat deployment (86% vs. 41%) than the VHA PCE screen, and overall agreement was poor (kappa = 0.113). Participants had higher odds of being VHA negative/PLS positive on the PCE screen if they were of older age, female sex, had more years of military service, more months in combat deployment, officer rank, or &lt;50% service-connected disability rating and lower odds if they had less education attainment, higher combat intensity, or higher Neurobehavioral Symptom Inventory scores. The LIMBIC-CENC PLS method also identified more Veterans with mild TBI during combat deployment compared with the VHA CTBIE (81% vs. 72%) with minimal overall agreement (kappa = 0.311). Participants had higher odds of being VHA negative/PLS positive for mild TBI diagnosis if they never married or were Air Force and had lower odds if they had higher combat intensity. The LIMBIC-CENC PLS research structured interview protocol identified higher rates of TBI than the VHA TBI assessment system both for positive PCE screens and positive mild TBI diagnosis during combat deployment. Agreement was far higher for TBI determinations compared with the PCE screening. Significant characteristics of PLS-positive/VHA-negative mismatches included demographic variables, military service variables, and current symptom levels. Further research is needed to better understand whether there is a clinical value to adjust the VHA TBI screening process and how these characteristics could be considered. Providers should be aw","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":""},"PeriodicalIF":3.9,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142864518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mild Traumatic Brain Injury in Older Adults: Recovery Course and Insights on Early Predictors of Outcome. 老年人轻度创伤性脑损伤:恢复过程和预后早期预测因子的见解。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-06 DOI: 10.1089/neu.2024.0220
Nikki S Thuss, Mayra Bittencourt, Sebastián A Balart-Sánchez, Jacoba M Spikman, Natasha M Maurits, Joukje van der Naalt
{"title":"Mild Traumatic Brain Injury in Older Adults: Recovery Course and Insights on Early Predictors of Outcome.","authors":"Nikki S Thuss, Mayra Bittencourt, Sebastián A Balart-Sánchez, Jacoba M Spikman, Natasha M Maurits, Joukje van der Naalt","doi":"10.1089/neu.2024.0220","DOIUrl":"https://doi.org/10.1089/neu.2024.0220","url":null,"abstract":"<p><p>Mild traumatic brain injury (mTBI) is a growing health concern in the context of an aging population. Older adults comprise a distinct population, with an increased vulnerability for mTBI due to comorbid diseases and age-associated frailty compared with the adult population. The aim of this study was to assess the recovery course and determinants of outcome in a large cohort of older patients with mTBI. For this study, 154 patients aged ≥60 years with mTBI admitted to the Emergency Department were investigated in a prospective observational cohort (ReCONNECT study). Demographics and injury characteristics (computed tomography scan, Glasgow Coma Scale) were determined on admission. Early determinants of outcome were assessed at 2 weeks post-injury (e.g., early post-traumatic complaints and emotional distress) with validated questionnaires. Quality of life (QoL) was determined at 3 months with the World Health Organization Quality of Life Scale-Shortened Version. Functional outcome was determined at 3 (early) and 6 months (long term) post-injury with the Glasgow Outcome Scale Extended (GOSE). Logistic regression analyses identified predictors of outcome with dichotomized GOSE scores as dependent variable (incomplete recovery was defined by GOSE ≤ 7 and complete recovery by GOSE 8). Complete recovery was observed in 42% of patients at 3 months post-injury without significant sex differences. More early post-traumatic complaints were present in patients with incomplete recovery, compared with patients with complete recovery (<i>p</i> < 0.001). Scores on overall QoL, general health-related QoL and all subdomains were lower for patients with incomplete recovery compared with patients with complete recovery (<i>p</i> < 0.05). Incomplete recovery at 3 months post-injury was predicted by increased physical frailty and early post-traumatic complaints (Nagelkerke <i>R</i><sup>2</sup> = 0.25). At 6 months post-injury, 53% of patients had complete recovery with higher frequency in males (60%) compared with females (42%) (<i>p</i> = 0.025). None of the investigated variables significantly predicted long-term outcome at 6 months post-injury (Nagelkerke <i>R</i><sup>2</sup> = 0.14), which might be explained by the changing cohort characteristics over time due to age-related morbidity. Our results demonstrate that almost half of older patients with mTBI show complete recovery with complaints and physical frailty as predictors of outcome at 3 months post-injury. Recovery still improves after 3 months and further follow-up is necessary to identify other factors that are associated with long-term outcomes in this specific category of patients with mTBI. The recovery course in older patients with mTBI is dynamic and further research on factors associated with long-term outcomes in this specific patient population is imperative to enhance treatment strategies.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":""},"PeriodicalIF":3.9,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142785347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Functional Connectome and Long-Term Symptom Presentation Associated With Mild Traumatic Brain Injury and Blast Exposure in Combat Veterans. 战斗退伍军人轻度创伤性脑损伤和爆炸暴露相关的功能连接组和长期症状表现。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-01 Epub Date: 2024-09-20 DOI: 10.1089/neu.2023.0315
Jared A Rowland, Jennifer R Stapleton-Kotloski, Dwayne W Godwin, Craig A Hamilton, Sarah L Martindale
{"title":"The Functional Connectome and Long-Term Symptom Presentation Associated With Mild Traumatic Brain Injury and Blast Exposure in Combat Veterans.","authors":"Jared A Rowland, Jennifer R Stapleton-Kotloski, Dwayne W Godwin, Craig A Hamilton, Sarah L Martindale","doi":"10.1089/neu.2023.0315","DOIUrl":"10.1089/neu.2023.0315","url":null,"abstract":"<p><p>Mild traumatic brain injury (TBI) sustained in a deployment environment (deployment TBI) can be associated with increased severity of long-term symptom presentation, despite the general expectation of full recovery from a single mild TBI. The heterogeneity in the effects of deployment TBI on the brain can be difficult for a case-control design to capture. The functional connectome of the brain is an approach robust to heterogeneity that allows global measurement of effects using a common set of outcomes. The present study evaluates how differences in the functional connectome relate to remote symptom presentation following combat deployment and determines if deployment TBI, blast exposure, or post-traumatic stress disorder (PTSD) are associated with these neurological differences. Participants included 181 Iraq and Afghanistan combat-exposed Veterans, approximately 9.4 years since deployment. Structured clinical interviews provided diagnoses and characterizations of TBI, blast exposure, and PTSD. Self-report measures provided characterization of long-term symptoms (psychiatric, behavioral health, and quality of life). Resting-state magnetoencephalography was used to characterize the functional connectome of the brain individually for each participant. Linear regression identified factors contributing to symptom presentation including relevant covariates, connectome metrics, deployment TBI, blast exposure PTSD, and conditional relationships. Results identified unique contributions of aspects of the connectome to symptom presentation. Furthermore, several conditional relationships were identified, demonstrating that the connectome was related to outcomes in the presence of only deployment-related TBI (including blast-related TBI, primary blast TBI, and blast exposure). No conditional relationships were identified for PTSD; however, the main effect of PTSD on symptom presentation was significant for all models. These results demonstrate that the connectome captures aspects of brain function relevant to long-term symptom presentation, highlighting that deployment-related TBI influences symptom outcomes through a neurological pathway. These findings demonstrate that changes in the functional connectome associated with deployment-related TBI are relevant to symptom presentation over a decade past the injury event, providing a clear demonstration of a brain-based mechanism of influence.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"2513-2527"},"PeriodicalIF":3.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141988162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SCAT Symptom Evolution in the Acute Concussion Phase: Findings from the NCAA-DoD CARE Consortium. SCAT 急性脑震荡阶段的症状演变:NCAA-DoD CARE 联合会的研究结果。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-01 Epub Date: 2024-09-20 DOI: 10.1089/neu.2024.0243
Reid A Syrydiuk, Adrian J Boltz, Landon B Lempke, Jaclyn B Caccese, Thomas W McAllister, Michael A McCrea, Paul F Pasquina, Steven P Broglio
{"title":"SCAT Symptom Evolution in the Acute Concussion Phase: Findings from the NCAA-DoD CARE Consortium.","authors":"Reid A Syrydiuk, Adrian J Boltz, Landon B Lempke, Jaclyn B Caccese, Thomas W McAllister, Michael A McCrea, Paul F Pasquina, Steven P Broglio","doi":"10.1089/neu.2024.0243","DOIUrl":"10.1089/neu.2024.0243","url":null,"abstract":"<p><p>The Sport Concussion Assessment Tool (SCAT) is the most widely used tool following sport-related concussion (SRC). Initial SCAT symptom burden is a strong predictor of recovery in collegiate athletes; however, it is unknown if symptom presentation varies within the acute (<48 h) post-SRC phase. The purpose of this cohort study was to examine acute SRC symptom presentation among the National Collegiate Athletic Association (NCAA) athletes. Concussed NCAA varsity athletes (<i>n</i> = 1,780) from 30 universities across the United States, which participated in the Concussion Assessment, Research, and Education (CARE) Consortium, were included. Time of injury occurrence and SCAT administration data were recorded, from which time-to-SCAT (hours, continuous) was calculated. The main outcome was SCAT total symptom severity [(TSS), 0-126]. Multivariable negative binomial regression was used to examine the association between time (hours) since injury and TSS. Covariates included sex, previous concussion, sport contact level, amnesia/loss of consciousness, immediate reporting of injury, and injury situation. A random effect (person level) accounted for multiple assessments. TSS score ratios (SR) with associated 95% confidence intervals (CI) were provided. The SCAT was administered an average of 14 (25th-75th percentile: 1.2-24) hours post-SRC, and average TSS was 27.35 ± 21.28 across all participants. Time-to-SCAT was associated with a 1% decrease in TSS after adjusting for covariate effects (SR: 0.99, 95% CI: 0.99-0.99, <i>p</i> < 0.001). Overall, we observed a small, but significant decrease in TSS with each hour post-SRC. Assessing a concussed athlete once in the acute phase will likely provide a sufficient sense of their symptomatic well-being, as measures did not fluctuate dramatically. Future research should aim to examine how acute symptom evolution influences recovery metrics.</p>","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"2571-2579"},"PeriodicalIF":3.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142108278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Normative Neuroimaging Library: Designing a Comprehensive and Demographically Diverse Dataset of Healthy Controls to Support Traumatic Brain Injury Diagnostic and Therapeutic Development. 规范神经影像库:设计一个全面的、人口统计学上多样化的健康对照数据集,以支持创伤性脑损伤诊断和治疗的发展。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-01 Epub Date: 2024-09-05 DOI: 10.1089/neu.2024.0128
Allyson T Gage, James R Stone, Elisabeth A Wilde, Stephen R McCauley, Robert C Welsh, John P Mugler, Nick Tustison, Brian Avants, Christopher T Whitlow, Lee Lancashire, Seema D Bhatt, Magali Haas
{"title":"Normative Neuroimaging Library: Designing a Comprehensive and Demographically Diverse Dataset of Healthy Controls to Support Traumatic Brain Injury Diagnostic and Therapeutic Development.","authors":"Allyson T Gage, James R Stone, Elisabeth A Wilde, Stephen R McCauley, Robert C Welsh, John P Mugler, Nick Tustison, Brian Avants, Christopher T Whitlow, Lee Lancashire, Seema D Bhatt, Magali Haas","doi":"10.1089/neu.2024.0128","DOIUrl":"10.1089/neu.2024.0128","url":null,"abstract":"&lt;p&gt;&lt;p&gt;The past decade has seen impressive advances in neuroimaging, moving from qualitative to quantitative outputs. Available techniques now allow for the inference of microscopic changes occurring in white and gray matter, along with alterations in physiology and function. These existing and emerging techniques hold the potential of providing unprecedented capabilities in achieving a diagnosis and predicting outcomes for traumatic brain injury (TBI) and a variety of other neurological diseases. To see this promise move from the research lab into clinical care, an understanding is needed of what normal data look like for all age ranges, sex, and other demographic and socioeconomic categories. Clinicians can only use the results of imaging scans to support their decision-making if they know how the results for their patient compare with a normative standard. This potential for utilizing magnetic resonance imaging (MRI) in TBI diagnosis motivated the American College of Radiology and Cohen Veterans Bioscience to create a reference database of healthy individuals with neuroimaging, demographic data, and characterization of psychological functioning and neurocognitive data that will serve as a normative resource for clinicians and researchers for development of diagnostics and therapeutics for TBI and other brain disorders. The goal of this article is to introduce the large, well-curated Normative Neuroimaging Library (NNL) to the research community. NNL consists of data collected from ∼1900 healthy participants. The highlights of NNL are (1) data are collected across a diverse population, including civilians, veterans, and active-duty service members with an age range (18-64 years) not well represented in existing datasets; (2) comprehensive structural and functional neuroimaging acquisition with state-of-the-art sequences (including structural, diffusion, and functional MRI; raw scanner data are preserved, allowing higher quality data to be derived in the future; standardized imaging acquisition protocols across sites reflect sequences and parameters often recommended for use with various neurological and psychiatric conditions, including TBI, post-traumatic stress disorder, stroke, neurodegenerative disorders, and neoplastic disease); and (3) the collection of comprehensive demographic details, medical history, and a broad structured clinical assessment, including cognition and psychological scales, relevant to multiple neurological conditions with functional sequelae. Thus, NNL provides a demographically diverse population of healthy individuals who can serve as a comparison group for brain injury study and clinical samples, providing a strong foundation for precision medicine. Use cases include the creation of imaging-derived phenotypes (IDPs), derivation of reference ranges of imaging measures, and use of IDPs as training samples for artificial intelligence-based biomarker development and for normative modeling to help identify injury-induced ","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"2497-2512"},"PeriodicalIF":3.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142132979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to: Impact of Low-Level Blast Exposure on Brain Function after a One-Day Tactile Training and the Ameliorating Effect of a Jugular Vein Compression Neck Collar Device; DOI: 10.1089/neu.2018.5737. Correction to:一天触觉训练后低水平爆炸暴露对大脑功能的影响以及颈静脉压迫颈圈装置的改善效果;DOI: 10.1089/neu.2018.5737。
IF 3.9 2区 医学
Journal of neurotrauma Pub Date : 2024-12-01 Epub Date: 2024-11-12 DOI: 10.1089/neu.2018.5737.correx
{"title":"Correction to: Impact of Low-Level Blast Exposure on Brain Function after a One-Day Tactile Training and the Ameliorating Effect of a Jugular Vein Compression Neck Collar Device; DOI: 10.1089/neu.2018.5737.","authors":"","doi":"10.1089/neu.2018.5737.correx","DOIUrl":"10.1089/neu.2018.5737.correx","url":null,"abstract":"","PeriodicalId":16512,"journal":{"name":"Journal of neurotrauma","volume":" ","pages":"2607"},"PeriodicalIF":3.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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