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https://www.readbyqxmd.com/read/28737081/hypotension-of-%C3%A2-110-mmhg-is-associated-with-increased-mortality-in-south-african-patients-after-trauma
#1
D L Clarke, P Brysiewicz, B Sartorius, J L Bruce, G L Laing
INTRODUCTION: This study used data from a prospectively maintained trauma database to assess the level of systolic blood pressure at which mortality rates for trauma begin to increase and to compare systolic blood pressure with base deficit as a predictor of outcome. METHODOLOGY: The Pietermaritzburg Metropolitan Trauma Service maintains a prospective digital trauma registry. All trauma patients admitted to the service for the period January 2012-January 2015 were included...
March 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28736244/the-use-of-stable-isotopes-in-the-study-of-human-pathophysiology
#2
Evelina Charidemou, Tom Ashmore, Julian L Griffin
The growing prevalence of metabolic diseases including fatty liver disease and Type 2 diabetes has increased the emphasis on understanding metabolism at the mechanistic level and how it is perturbed in disease. Metabolomics is a continually expanding field that seeks to measure metabolites in biological systems during a physiological stimulus or a genetic alteration. Typically, metabolomics studies provide total pool sizes of metabolites rather than dynamic flux measurements. More recently there has been a resurgence in approaches that use stable isotopes (e...
July 20, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28734937/longitudinal-examination-of-resilience-after-traumatic-brain-injury-a-traumatic-brain-injury-model-systems-study
#3
Jennifer H Marwitz, Adam P Sima, Jeffrey S Kreutzer, Laura E Dreer, Thomas F Bergquist, Ross Zafonte, Douglas Johnson-Greene, Elizabeth R Felix
OBJECTIVE: To evaluate the trajectory of resilience during the first year following a moderate-severe TBI, factors associated with resilience at 3, 6 and 12-months post-injury, and changing relationships over time between resilience and other factors. DESIGN: Longitudinal analysis of an observational cohort. SETTING: Five inpatient rehabilitation centers. PARTICIPANTS: Patients with TBI (N = 195) enrolled in the resilience module of the TBI Model Systems study with data collected at 3, 6, and 12-month follow-up...
July 19, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28726590/a-method-of-managing-severe-traumatic-brain-injury-in-the-absence-of-intracranial-pressure-monitoring-the-ice-protocol
#4
Randall Chesnut, Nancy Temkin, Sureyya Dikmen, Carlos Rondina, Walter Videtta, Gustavo Petroni, Silvia Lujan, Victor Alanis, Antonio Luis Eiras Falcao, Gustavo La Fuente, Luis Gonzalez, Manuel Jibaja, Arturo Lavendez, Freddy Sandi Lora, Roberto Merida, Ricardo Romero, James Pridgeon, Jason Barber, Joan Machamer, Kelley Chaddock
Purpose - The imaging- and clinical-examination (ICE) algorithm used in the BEST TRIP ICP randomized controlled trial is the only prospectively investigated clinical protocol for TBI management without ICP monitoring. As the default literature standard, it warrants careful evaluation. Methods - We present the ICE protocol in detail and analyse the demographics, outcome, treatment intensity, frequency of intervention usage, and related adverse events in the ICE-protocol cohort. Results - The 167 ICE protocol patients were young (median 29 years) with a median Glasgow Coma Scale motor score of 4 but with anisocoria or abnormal pupillary reactivity in 40%...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28724361/serum-melatonin-levels-in-survivor-and-non-survivor-patients-with-traumatic-brain-injury
#5
Leonardo Lorente, María M Martín, Pedro Abreu-González, Antonia Pérez-Cejas, Luis Ramos, Mónica Argueso, Jordi Solé-Violán, Juan J Cáceres, Alejandro Jiménez, Victor García-Marín
BACKGROUND: Circulating levels of melatonin in patients with traumatic brain injury (TBI) have been determined in a little number of studies with small sample size (highest sample size of 37 patients) and only were reported the comparison of serum melatonin levels between TBI patients and healthy controls. As to we know, the possible association between circulating levels of melatonin levels and mortality of patients with TBI have not been explored; thus, the objective of our current study was to determine whether this association actually exists...
July 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28724317/who-among-patients-with-acquired-brain-injury-returned-to-work-after-occupational-rehabilitation-the-rapid-return-to-work-cohort-study
#6
Randi Wågø Aas, Lise Aasen Haveraaen, Evelien P M Brouwers, Lisebet Skeie Skarpaas
BACKGROUND: Acquired brain injury (ABI) is known to be severely disabling. On average, 40% of employees return to work (RTW) within two years after injury. There is, however, limited research on what might contribute to successful RTW. AIM: To examine factors that might impact the time-to first RTW for patients with ABI, participating in a RTW-program. METHODS: The study was designed as a cohort study of patients on sick leave due to mild or moderate ABI (n = 137)...
July 20, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28717351/serial-sampling-of-serum-protein-biomarkers-for-monitoring-human-traumatic-brain-injury-dynamics-a-systematic-review
#7
REVIEW
Eric Peter Thelin, Frederick Adam Zeiler, Ari Ercole, Stefania Mondello, András Büki, Bo-Michael Bellander, Adel Helmy, David K Menon, David W Nelson
BACKGROUND: The proteins S100B, neuron-specific enolase (NSE), glial fibrillary acidic protein (GFAP), ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), and neurofilament light (NF-L) have been serially sampled in serum of patients suffering from traumatic brain injury (TBI) in order to assess injury severity and tissue fate. We review the current literature of serum level dynamics of these proteins following TBI and used the term "effective half-life" (t1/2) in order to describe the "fall" rate in serum...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28712330/the-role-of-abnormalities-in-the-corpus-callosum-in-social-cognition-deficits-after-traumatic-brain-injury
#8
Skye McDonald, Jacqueline A Rushby, Katie I Dalton, Samantha K Allen, Nicklas Parks
The corpus callosum (CC) is vulnerable to severe traumatic brain injury (TBI). Social cognition requires integration of non-verbal and verbal information in order to understand social behaviour and may be compromised if the CC is damaged. 17 adults with severe, chronic TBI and 17 control participants underwent structural MRI and Diffusion Tensor Imaging. A region of interest analysis examined fractional anisotropy (FA) and mean diffusivity (MD) across regions of the CC. Performance on The Awareness of Social Inference Test (TASIT): part 1 (emotion recognition) and parts 2 and 3 (social inference), was examined in relation to FA and MD...
July 17, 2017: Social Neuroscience
https://www.readbyqxmd.com/read/28702713/the-role-of-the-oligodendrocyte-lineage-in-acute-brain-trauma
#9
Anja Scheller, Xianshu Bai, Frank Kirchhoff
An acute brain injury is commonly characterized by an extended cellular damage. The post-injury process of scar formation is largely determined by responses of various local glial cells and blood-derived immune cells. The role of astrocytes and microglia have been frequently reviewed in the traumatic sequelae. Here, we summarize the diverse contributions of oligodendrocytes (OLs) and their precursor cells (OPCs) in acute injuries. OLs at the lesion site are highly sensitive to a damaging insult, provoked by Ca(2+) overload after hyperexcitation originating from increased levels of transmitters...
July 12, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28700540/clinical-and-radiological-presentations-and-management-of-blunt-splenic-trauma-a-single-tertiary-hospital-experience
#10
Gaby Jabbour, Ammar Al-Hassani, Ayman El-Menyar, Husham Abdelrahman, Ruben Peralta, Mohammed Ellabib, Hisham Al-Jogol, Mohammed Asim, Hassan Al-Thani
BACKGROUND Splenic injury is the leading cause of major bleeding after blunt abdominal trauma. We examined the clinical and radiological presentations, management, and outcome of blunt splenic injuries (BSI) in our institution. MATERIAL AND METHODS A retrospective study of BSI patients between 2011 and 2014 was conducted. We analyzed and compared management and outcome of different splenic injury grades in trauma patients. RESULTS A total of 191 BSI patients were identified with a mean (SD) age of 26.9 years (13...
July 12, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28699848/impact-of-helmet-use-on-traumatic-brain-injury-from-road-traffic-accidents-in-cambodia
#11
Saksham Gupta, Katherine Klaric, Nang Sam, Vuthy Din, Tina Juschkewitz, Vycheth Iv, Mark G Shrime, Kee B Park
OBJECTIVE: Rapid urbanization and motorization without corresponding increases in helmet usage have made traumatic brain injury due to road traffic accidents a major public health crisis in Cambodia. This analysis was conducted to quantify the impact of helmets on severity of injury, neurosurgical indication, and functional outcomes at discharge for motorcycle operators who required hospitalization for a traumatic brain injury following a road traffic accident in Cambodia. METHODS: The medical records of 491 motorcycle operators who presented to a major tertiary care center in Cambodia with traumatic brain injury were retrospectively analyzed using multivariate logistic regression...
July 12, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28697013/the-clinical-significance-of-isolated-traumatic-subarachnoid-hemorrhage-in-mild-traumatic-brain-injury-a-meta-analysis
#12
Farshad Nassiri, Jetan H Badhiwala, Christopher D Witiw, Alireza Mansouri, Benjamin Davidson, Saleh A Almenawer, Nir Lipsman, Leodante Da Costa, Farhad Pirouzmand, Avery B Nathens
BACKGROUND: The rates of clinical and radiographic progression, and need for neurosurgical intervention in patients with isolated traumatic subarachnoid hemorrhage (itSAH) after mild traumatic brain injury (mTBI, GCS 13-15) has not been well established. OBJECTIVE: To review the evidence regarding patient outcomes after mTBI with itSAH DATA SOURCES: MEDLINE, EMBASE, Web of Science, Google Scholar and the Cochrane Library STUDY ELIGIBILITY CRITERIA, PARTICIPANTS, AND INTERVENTIONS: Electronic databases were searched for human studies without language restrictions from January 2000 to February 2017...
July 8, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28693604/right-median-nerve-electrical-stimulation-for-acute-traumatic-coma-the-asia-coma-electrical-stimulation-trial-study-protocol-for-a-randomised-controlled-trial
#13
Xiang Wu, Chao Zhang, Junfeng Feng, Qing Mao, Guoyi Gao, Jiyao Jiang
BACKGROUND: Traumatic brain injury (TBI) has become the most common cause of death and disability in persons between 15 and 30 years of age, and about 10-15% of patients affected by TBI will end up in a coma. Coma caused by TBI presents a significant challenge to neuroscientists. Right median nerve electrical stimulation has been reported as a simple, inexpensive, non-invasive technique to speed recovery and improve outcomes for traumatic comatose patients. METHODS/DESIGN: This multicentre, prospective, randomised (1:1) controlled trial aims to demonstrate the efficacy and safety of electrical right median nerve stimulation (RMNS) in both accelerating emergence from coma and promoting long-term outcomes...
July 10, 2017: Trials
https://www.readbyqxmd.com/read/28690497/high-amplitude-eeg-motor-potential-during-repetitive-foot-movement-possible-use-and-challenges-for-futuristic-bcis-that-restore-mobility-after-spinal-cord-injury
#14
Aljoscha Thomschewski, Yvonne Höller, Peter Höller, Stefan Leis, Eugen Trinka
Recent advances in neuroprostheses provide us with promising ideas of how to improve the quality of life in people suffering from impaired motor functioning of upper and lower limbs. Especially for patients after spinal cord injury (SCI), futuristic devices that are controlled by thought via brain-computer interfaces (BCIs) might be of tremendous help in managing daily tasks and restoring at least some mobility. However, there are certain problems arising when trying to implement BCI technology especially in such a heterogenous patient group...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28689050/self-reported-traumatic-brain-injury-and-in-vivo-measure-of-ad-vulnerable-cortical-thickness-and-ad-related-biomarkers-in-the-adni-cohort
#15
Ming-Liang Wang, Xiao-Er Wei, Meng-Meng Yu, Peng-Yang Li, Wen-Bin Li
In this study, we aimed to investigate whether self-reported mild traumatic brain injury (mTBI) was associated with decreased AD-vulnerable cortical thickness, and to assess the relationship between AD-vulnerable cortical thickness and AD-related biomarker in the Alzheimer's Disease Neuroimaging Initiative subjects. We identified 45 self-reported mTBI subjects, who had structural MRI, 18F-AV45 PET, and cerebrospinal fluid (CSF) data. Of them, eight subjects were normal; ten were preclinical AD; seventeen were MCI due to AD; ten were AD...
July 5, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28688761/long-non-coding-rna-gm4419-promotes-trauma-induced-astrocyte-apoptosis-by-targeting-tumor-necrosis-factor-%C3%AE
#16
Yunhu Yu, Fang Cao, Qishan Ran, Fei Wang
Traumatic brain injury (TBI) remains a life-threatening disease. Accumulating evidences have showed that neuroinflammatory response is a critical biological event in the progression of TBI induced astrocyte damage. However, the exact mechanisms are not well understood. In this study, we demonstrated that long non-coding RNA (lncRNA) Gm4419 promoted trauma-induced astrocyte apoptosis by up-regulating the expression of inflammatory cytokine tumor necrosis factor α (TNF-α). We observed that Gm4419 was aberrantly induced after injury on astroglial cells in vitro...
July 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28688653/ethnic-disparities-in-traumatic-brain-injury-care-referral-in-a-hispanic-majority-population
#17
Hailey C Budnick, Alan H Tyroch, Stacey A Milan
BACKGROUND: Functional outcomes after traumatic brain injury (TBI) can be significantly improved by discharge to posthospitalization care facilities. Many variables influence the discharge disposition of the TBI patient, including insurance status, patient condition, and patient prognosis. The literature has demonstrated an ethnic disparity in posthospitalization care referral, with Hispanics being discharged to rehabilitation and nursing facilities less often than non-Hispanics. However, this relationship has not been studied in a Hispanic-majority population, and thus, this study seeks to determine if differences in neurorehabilitation referrals exist among ethnic groups in a predominately Hispanic region...
July 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28687812/blast-induced-tinnitus-and-elevated-central-auditory-and-limbic-activity-in-rats-a-manganese-enhanced-mri-and-behavioral-study
#18
Jessica Ouyang, Edward Pace, Laura Lepczyk, Michael Kaufman, Jessica Zhang, Shane A Perrine, Jinsheng Zhang
Blast-induced tinitus is the number one service-connected disability that currently affects military personnel and veterans. To elucidate its underlying mechanisms, we subjected 13 Sprague Dawley adult rats to unilateral 14 psi blast exposure to induce tinnitus and measured auditory and limbic brain activity using manganese-enhanced MRI (MEMRI). Tinnitus was evaluated with a gap detection acoustic startle reflex paradigm, while hearing status was assessed with prepulse inhibition (PPI) and auditory brainstem responses (ABRs)...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28686616/diagnostic-accuracy-of-tablet-based-software-for-the-detection-of-concussion
#19
Suosuo Yang, Benjamin Flores, Rotem Magal, Kyrsti Harris, Jonathan Gross, Amy Ewbank, Sasha Davenport, Pablo Ormachea, Waleed Nasser, Weidong Le, W Frank Peacock, Yael Katz, David M Eagleman
Despite the high prevalence of traumatic brain injuries (TBI), there are few rapid and straightforward tests to improve its assessment. To this end, we developed a tablet-based software battery ("BrainCheck") for concussion detection that is well suited to sports, emergency department, and clinical settings. This article is a study of the diagnostic accuracy of BrainCheck. We administered BrainCheck to 30 TBI patients and 30 pain-matched controls at a hospital Emergency Department (ED), and 538 healthy individuals at 10 control test sites...
2017: PloS One
https://www.readbyqxmd.com/read/28686557/the-biopsychosocial-model-40-years-of-application-in-psychiatry
#20
G Papadimitriou
In 1977, the American pathologist and psychiatrist George Engel (1913-1999) published in the Journal Science his paper "TheIn 1977, the American pathologist and psychiatrist George Engel (1913-1999) published in the Journal Science his paper "Theneed for a new medical model: A challenge for biomedicine", introducing the term Biopsychosocial Model. This model basedon the results of Engel's studies in ulcerative colitis, depression and psychogenic pain, constituted a challenge for biomedicineand the biomedical model...
April 2017: Psychiatrikē, Psychiatriki
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