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https://www.readbyqxmd.com/read/28935352/post-traumatic-cervical-spine-epidural-hematoma-incidence-and-risk-factors
#1
Pedro A Ricart, Ravi Verma, Steven J Fineberg, Kyle Y Fink, Paul A Lucas, Yungtai Lo, David E Asprinio, Louis F Amorosa
BACKGROUND: The incidence and risk factors for post-traumatic cervical epidural hematoma are not well described in the current literature. Our aim was to determine the incidence and associated risk factors for post-traumatic cervical spine epidural hematoma (SEH). METHODS: We performed a retrospective review of our institution's prospectively collected data submitted to the state trauma registry, using ICD-9 codes, for all patients activated as a trauma with cervical spine injuries, between the years 2010 and 2014...
August 30, 2017: Injury
https://www.readbyqxmd.com/read/28856586/tio2-nanowired-delivery-of-dl-3-n-butylphthalide-dl-nbp-attenuates-blood-brain-barrier-disruption-brain-edema-formation-and-neuronal-damages-following-concussive-head-injury
#2
Lianyuan Feng, Aruna Sharma, Feng Niu, Yin Huang, José Vicente Lafuente, Dafin Fior Muresanu, Asya Ozkizilcik, Z Ryan Tian, Hari Shanker Sharma
DL-3-n-butylphthalide (DL-NBP) is one of the constituents of Chinese celery extract that is used to treat stroke, dementia, and ischemic diseases. However, its role in traumatic brain injury is less well known. In this investigation, neuroprotective effects of DL-NBP in concussive head injury (CHI) on brain pathology were explored in a rat model. CHI was inflicted in anesthetized rats by dropping a weight of 114.6 g from a height of 20 cm through a guide tube on the exposed right parietal bone inducing an impact of 0...
August 30, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28856566/cold-environment-exacerbates-brain-pathology-and-oxidative-stress-following-traumatic-brain-injuries-potential-therapeutic-effects-of-nanowired-antioxidant-compound-h-290-51
#3
Aruna Sharma, Dafin F Muresanu, José Vicente Lafuente, Per-Ove Sjöquist, Ranjana Patnaik, Z Ryan Tian, Asya Ozkizilcik, Hari S Sharma
The possibility that traumatic brain injury (TBI) occurring in a cold environment exacerbates brain pathology and oxidative stress was examined in our rat model. TBI was inflicted by making a longitudinal incision into the right parietal cerebral cortex (2 mm deep and 4 mm long) in cold-acclimatized rats (5 °C for 3 h daily for 5 weeks) or animals at room temperature under Equithesin anesthesia. TBI in cold-exposed rats exhibited pronounced increase in brain lucigenin (LCG), luminol (LUM), and malondialdehyde (MDA) and marked pronounced decrease in glutathione (GTH) as compared to identical TBI at room temperature...
August 30, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28794441/tgf%C3%AE-signaling-is-associated-with-changes-in-inflammatory-gene-expression-and-perineuronal-net-degradation-around-inhibitory-neurons-following-various-neurological-insults
#4
Soo Young Kim, Vladimir V Senatorov, Christapher S Morrissey, Kristina Lippmann, Oscar Vazquez, Dan Z Milikovsky, Feng Gu, Isabel Parada, David A Prince, Albert J Becker, Uwe Heinemann, Alon Friedman, Daniela Kaufer
Brain damage due to stroke or traumatic brain injury (TBI), both leading causes of serious long-term disability, often leads to the development of epilepsy. Patients who develop post-injury epilepsy tend to have poor functional outcomes. Emerging evidence highlights a potential role for blood-brain barrier (BBB) dysfunction in the development of post-injury epilepsy. However, common mechanisms underlying the pathological hyperexcitability are largely unknown. Here, we show that comparative transcriptome analyses predict remodeling of extracellular matrix (ECM) as a common response to different types of injuries...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28664332/heparin-gold-nanoparticles-for-enhanced-microdialysis-sampling
#5
Susan Giorgi-Coll, Holly Blunt-Foley, Peter J Hutchinson, Keri L H Carpenter
Cerebral microdialysis is a sampling technique which offers much potential for understanding inflammatory pathophysiology following traumatic brain injury (TBI). At present, the recovery of cytokines via microdialysis in clinical studies is not straightforward primarily due to their size, steric properties and low concentrations. Heparin and heparin-coated microspheres have previously shown promise as cytokine-binding agents for enhanced microdialysis sampling in animal models (Duo and Stenken in Anal Bioanal Chem 399(2):773-82, 2011; Anal Bioanal Chem 399(2):783-93, 2011)...
August 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28619005/effects-of-immunonutrition-on-biomarkers-in-traumatic-brain-injury-patients-in-malaysia-a-prospective-randomized-controlled-trial
#6
Vineya Rai Hakumat Rai, Lee Fern Phang, Sheau Fung Sia, Amirah Amir, Jeyaganesh S Veerakumaran, Mustafa Kassim Abdulazez Kassim, Rafidah Othman, Pei Chien Tah, Pui San Loh, Mohamad Irfan Othman Jailani, Gracie Ong
BACKGROUND: Head injury is one of the top three diagnosis leading to intensive care unit (ICU) admission in Malaysia. There has been growing interest in using immunonutrition as a mode of modulating the inflammatory response to injury or infection with the aim of improving clinical outcome. The aim of the present study was to evaluate the effect of an immunonutrition on biomarkers (IL-6, glutathione, CRP, total protein and albumin) in traumatic brain injury patients. METHODS: Thirty six patients with head injury admitted to neurosurgical ICU in University Malaya Medical Centre were recruited for this study, over a 6-month period from July 2014 to January 2015...
June 15, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28587357/differential-proteomic-screening-and-identification-for-non-traumatic-necrotic-femoral-osseous-tissue
#7
Peng Yan, Yeping Zhu, Hui Zhao, Yanyan Lu, Yuzhong Gao
Currently, there is a lack of effective early screening and detection methods for femoral head necrosis. Current research on most orthopedic diseases focuses on proteomics in the preliminary stage. The recent fluorescence differential in gel electrophoresis (DIGE) has advantages such as a high reproducibility, high sensitivity, high throughput, and high dynamic range. It is currently one of the most widely used quantitative proteomic research means. We conducted this study to investigate the pathogenesis of non-traumatic femoral head necrosis using the fluorescence DIGE to screen non-traumatic femoral head necrosis based on proteomics and provide a theoretical basis for screening possible biomarkers and molecular targeted treatment...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28498856/patterns-of-intravenous-fluid-resuscitation-use-in-adult-intensive-care-patients-between-2007-and-2014-an-international-cross-sectional-study
#8
Naomi E Hammond, Colman Taylor, Simon Finfer, Flavia R Machado, YouZhong An, Laurent Billot, Frank Bloos, Fernando Bozza, Alexandre Biasi Cavalcanti, Maryam Correa, Bin Du, Peter B Hjortrup, Yang Li, Lauralyn McIntryre, Manoj Saxena, Frédérique Schortgen, Nicola R Watts, John Myburgh
BACKGROUND: In 2007, the Saline versus Albumin Fluid Evaluation-Translation of Research Into Practice Study (SAFE-TRIPS) reported that 0.9% sodium chloride (saline) and hydroxyethyl starch (HES) were the most commonly used resuscitation fluids in intensive care unit (ICU) patients. Evidence has emerged since 2007 that these fluids are associated with adverse patient-centred outcomes. Based on the published evidence since 2007, we sought to determine the current type of fluid resuscitation used in clinical practice and the predictors of fluid choice and determine whether these have changed between 2007 and 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28411452/peptide-valency-plays-an-important-role-in-the-activity-of-a-synthetic-fibrin-crosslinking-polymer
#9
Robert J Lamm, Esther B Lim, Katie M Weigandt, Lilo D Pozzo, Nathan J White, Suzie H Pun
Therapeutic polymers have the potential to improve the standard of care for hemorrhage, or uncontrolled bleeding, as synthetic hemostats. PolySTAT, a fibrin-crosslinking peptide-polymer conjugate, has the capacity to rescue fibrin clot formation and improve survival in a model of acute traumatic bleeding. PolySTAT consists of a synthetic polymer backbone to which targeting fibrin-binding peptides are linked. For translation of PolySTAT, the optimal valency of peptides must be determined. Grafting of fibrin-binding peptides to the poly(hydroxyethyl methacrylate)-based backbone was controlled to produce peptide valencies ranging from 0 to 10 peptides per polymer...
July 2017: Biomaterials
https://www.readbyqxmd.com/read/28287384/effects-of-potassium-adsorption-filters-on-the-removal-of-ammonia-from-blood-products
#10
Hiroshi Fujita, Yoko Shiotani, Yuko Takada, Shigeko Nishimura
BACKGROUND: Although ammonia in plasma does not usually pass through the blood-brain barrier (BBB), in cases of traumatic brain injury it may do so, acting as a neurotoxin on the brain. Excess intake of ammonia should be restricted in conditions involving BBB breakdown, such as traumatic brain injury. Washing is a method to remove ammonia from blood products, but fresh-frozen plasma and albumin products cannot be washed. A potassium adsorption filter (PAF) can remove not only potassium, but also ammonia from red blood cell solutions...
March 1, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28283595/astroglial-activation-and-altered-amyloid-metabolism-in-human-repetitive-concussion
#11
MULTICENTER STUDY
Pashtun Shahim, Yelverton Tegner, Niklas Marklund, Kina Höglund, Erik Portelius, David L Brody, Kaj Blennow, Henrik Zetterberg
OBJECTIVE: To determine whether postconcussion syndrome (PCS) due to repetitive concussive traumatic brain injury (rcTBI) is associated with CSF biomarker evidence of astroglial activation, amyloid deposition, and blood-brain barrier (BBB) impairment. METHODS: A total of 47 participants (28 professional athletes with PCS and 19 controls) were assessed with lumbar puncture (median 1.5 years, range 0.25-12 years after last concussion), standard MRI of the brain, and Rivermead Post-Concussion Symptoms Questionnaire (RPQ)...
April 11, 2017: Neurology
https://www.readbyqxmd.com/read/28279078/nano-carrier-mediated-co-delivery-of-methyl-prednisolone-and-minocycline-for-improved-post-traumatic-spinal-cord-injury-conditions-in-rats
#12
Shen Bin, Ningfeng Zhou, Jie Pan, Fumin Pan, Xiao-Feng Wu, Zi-Hui Zhou
OBJECTIVE: The objective of this study is to investigate the fate of albumin coupled nanoparticulate system over non-targeted drug carrier in the treatment of hemisectioned spinal cord injury (SCI). SIGNIFICANCE: Targeted delivery of methyl prednisolone (MP) and minocycline (MC) portrayed improved therapeutic efficacy as compared with non-targeted nanoparticles (NPS). METHODS: Albumin coupled, chitosan stabilized, and cationic NPS (albumin-MP + MC - NPS) of poly-(lactide-co-glycolic acid) were prepared using the emulsion solvent evaporation method...
June 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28219400/alleviation-of-secondary-brain-injury-posttraumatic-inflammation-and-brain-edema-formation-by-inhibition-of-factor-xiia
#13
Sarah Hopp, Marc W Nolte, Christian Stetter, Christoph Kleinschnitz, Anna-Leena Sirén, Christiane Albert-Weissenberger
BACKGROUND: Traumatic brain injury (TBI) is a devastating neurological condition and a frequent cause of permanent disability. Posttraumatic inflammation and brain edema formation, two pathological key events contributing to secondary brain injury, are mediated by the contact-kinin system. Activation of this pathway in the plasma is triggered by activated factor XII. Hence, we set out to study in detail the influence of activated factor XII on the abovementioned pathophysiological features of TBI...
February 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28119839/risk-factors-for-delirium-during-acute-and-subacute-stages-of-various-disorders-in-patients-admitted-to-rehabilitation-units
#14
Soyeon Jang, Kwang-Ik Jung, Woo-Kyoung Yoo, Myung Hun Jung, Suk Hoon Ohn
OBJECTIVE: To assess the risk factors for delirium in patients admitted to a rehabilitation unit for acute or subacute neurological or musculoskeletal disorders. METHODS: We reviewed the medical records of 537 patients admitted to a rehabilitation unit and selected 398 patients in the acute or subacute stage of various neurological or musculoskeletal disorders. Among them, patients who had suffered from delirium were categorized into the delirium group (n=65), and the other patients were categorized into the non-delirium group (n=333)...
December 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28113194/development-of-novel-3-d-printed-scaffolds-with-core-shell-nanoparticles-for-nerve-regeneration
#15
Se-Jun Lee, Wei Zhu, Lanier Heyburn, Margaret Nowicki, Brent Harris, Lijie Grace Zhang
A traumatic injury of peripheral nerves is serious clinical problem that may lead to major loss of nerve function, affecting quality of patient's life. Currently, nerve autograft is widely used to reconstruct the nerve gap. However, such surgical procedure suffers from many disadvantages including donor site morbidity and limited availability. In order to address these issues, neural tissue engineering has focused on the development of synthetic nerve scaffolds to support bridging a larger gap and improving nerve generation...
February 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28086980/inflammation-in-epileptogenesis-after-traumatic-brain-injury
#16
REVIEW
Kyria M Webster, Mujun Sun, Peter Crack, Terence J O'Brien, Sandy R Shultz, Bridgette D Semple
BACKGROUND: Epilepsy is a common and debilitating consequence of traumatic brain injury (TBI). Seizures contribute to progressive neurodegeneration and poor functional and psychosocial outcomes for TBI survivors, and epilepsy after TBI is often resistant to existing anti-epileptic drugs. The development of post-traumatic epilepsy (PTE) occurs in a complex neurobiological environment characterized by ongoing TBI-induced secondary injury processes. Neuroinflammation is an important secondary injury process, though how it contributes to epileptogenesis, and the development of chronic, spontaneous seizure activity, remains poorly understood...
January 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28065217/early-enteral-combined-with-parenteral-nutrition-treatment-for-severe-traumatic-brain-injury-effects-on-immune-function-nutritional-status-and-outcomes
#17
RANDOMIZED CONTROLLED TRIAL
Mingchao Fan, Qiaoling Wang, Wei Fang, Yunxia Jiang, Liandi Li, Peng Sun, Zhihong Wang
Objective To compare the conjoint effect of enteral nutrition (EN) and parenteral nutrition (PN) with single EN or PN on immune function, nutritional status, complications and clinical outcomes of patients with severe traumatic brain injury (STBI). Methods A prospective randomized control trial was carried out from January 2009 to May 2012 in Neurological Intensive Care Unit (NICU). Patients of STBI who met the enrolment criteria (Glasgow Coma Scale score 6~8; Nutritional Risk Screening ≥3) were randomly divided into 3 groups and were admi- nistrated EN, PN or EN+PN treatments respectively...
November 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/27994152/disrupting-the-blood-brain-barrier-by-focused-ultrasound-induces-sterile-inflammation
#18
Zsofia I Kovacs, Saejeong Kim, Neekita Jikaria, Farhan Qureshi, Blerta Milo, Bobbi K Lewis, Michele Bresler, Scott R Burks, Joseph A Frank
MRI-guided pulsed focused ultrasound (pFUS) combined with systemic infusion of ultrasound contrast agent microbubbles (MB) causes localized blood-brain barrier (BBB) disruption that is currently being advocated for increasing drug or gene delivery in neurological diseases. The mechanical acoustic cavitation effects of opening the BBB by low-intensity pFUS+MB, as evidenced by contrast-enhanced MRI, resulted in an immediate damage-associated molecular pattern (DAMP) response including elevations in heat-shock protein 70, IL-1, IL-18, and TNFα indicative of a sterile inflammatory response (SIR) in the parenchyma...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27822741/isolated-brain-trauma-in-cats-triggers-rapid-onset-of-hypovolemia
#19
Peter Bentzer, Per-Olof Grände
BACKGROUND: Hemodynamic instability responsive to fluid resuscitation is common after a traumatic brain injury (TBI), also in the absence of systemic hemorrhage. The present study tests if an isolated severe TBI induces a decrease in plasma volume (PV). METHODS: The study was performed in three groups of anesthetized and tracheostomized male cats (n = 21). In one group (n = 8), the cats were prepared with a cranial borehole (10 mm i.d) used to expose the brain to a fluid percussion brain injury (FPI) (1...
June 2017: Neurocritical Care
https://www.readbyqxmd.com/read/27724914/neurogenic-inflammation-after-traumatic-brain-injury-and-its-potentiation-of-classical-inflammation
#20
Frances Corrigan, Kimberley A Mander, Anna V Leonard, Robert Vink
BACKGROUND: The neuroinflammatory response following traumatic brain injury (TBI) is known to be a key secondary injury factor that can drive ongoing neuronal injury. Despite this, treatments that have targeted aspects of the inflammatory pathway have not shown significant efficacy in clinical trials. MAIN BODY: We suggest that this may be because classical inflammation only represents part of the story, with activation of neurogenic inflammation potentially one of the key initiating inflammatory events following TBI...
October 11, 2016: Journal of Neuroinflammation
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