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Traumatic Brain Injuries

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https://www.readbyqxmd.com/read/29679852/accident-analysis-to-support-the-development-of-strategies-for-the-prevention-of-brain-injuries-in-car-crashes
#1
Jacobo Antona-Makoshi, Koji Mikami, Mats Lindkvist, Johan Davidsson, Sylvia Schick
This study estimated the frequency and risk of Moderate-to-Maximal traumatic brain injuries sustained by occupants in motor vehicle crashes in the US. National Automotive Sampling System - Crashworthiness Data System crashes that occurred in years 2001-2015 with light vehicles produced 2001 or later were incorporated in the study. Crash type, crash severity, car model year, belt usage and occupant age and sex were controlled for in the analysis. The results showed that Moderate concussions account for 79% of all MAISbrain 2+ injuries...
April 18, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29679483/prostaglandin-fp-receptor-antagonists-discovery-pharmacological-characterization-and-therapeutic-utility
#2
REVIEW
Najam A Sharif, Peter G Klimko
In contrast to the availability of potent and selective antagonists of several prostaglandin (PG) receptor types (including DP1 , DP2 , EP, and TP receptors), there has been a paucity of well-characterized, selective FP-receptor antagonists. The earliest ones included dimethyl amide and dimethyl amine derivatives of PGF2α , but these have failed to gain prominence. The fluorinated PGF2α analogs, AL-8810 and AL-3138, were subsequently discovered as competitive and non-competitive FP-receptor antagonists, respectively...
April 21, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29679443/a-20-year-review-the-use-of-exception-from-informed-consent-and-waiver-of-informed-consent-in-emergency-research
#3
Lauren Klein, Johanna Moore, Michelle Biros
BACKGROUND: Due to the acuity and time sensitive needs of their clinical condition, patients presenting with certain emergent pathologies may lack capacity to provide meaningful prospective informed consent to participate in clinical research. For these reasons, these populations have often been excluded from research investigations. To mitigate this, regulations allowing Exception from Informed Consent (EFIC) (21 CFR 50.24) or Waiver of Informed Consent (WIC) (45 CFR 46.101) were developed in 1996...
April 21, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29678928/imaging-in-pediatric-concussion-a-systematic-review
#4
REVIEW
Julia Schmidt, Kathryn S Hayward, Katlyn E Brown, Jill G Zwicker, Jennie Ponsford, Paul van Donkelaar, Shelina Babul, Lara A Boyd
CONTEXT: Pediatric mild traumatic brain injury (mTBI) is a common and poorly understood injury. Neuroimaging may index brain injury and outcome after pediatric mTBI, but remains largely unexplored. OBJECTIVE: To investigate the differences in neuroimaging findings in children/youth with mTBI. Measures of behavior, symptoms, time since injury, and age at injury were also considered. DATA SOURCES: A systematic review was conducted up to July 6, 2016...
April 20, 2018: Pediatrics
https://www.readbyqxmd.com/read/29678169/omega-3-polyunsaturated-fatty-acid-attenuates-the-inflammatory-response-by-modulating-microglia-polarization-through-sirt1-mediated-deacetylation-of-the-hmgb1-nf-%C3%AE%C2%BAb-pathway-following-experimental-traumatic-brain-injury
#5
Xiangrong Chen, Chunnuan Chen, Sining Fan, Shukai Wu, Fuxing Yang, Zhongning Fang, Huangde Fu, Yasong Li
BACKGROUND: Microglial polarization and the subsequent neuroinflammatory response are contributing factors for traumatic brain injury (TBI)-induced secondary injury. High mobile group box 1 (HMGB1) mediates the activation of the NF-κB pathway, and it is considered to be pivotal in the late neuroinflammatory response. Activation of the HMGB1/NF-κB pathway is closely related to HMGB1 acetylation, which is regulated by the sirtuin (SIRT) family of proteins. Omega-3 polyunsaturated fatty acids (ω-3 PUFA) are known to have antioxidative and anti-inflammatory effects...
April 20, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29677686/bicycle-helmets-to-wear-or-not-to-wear-a-meta-analyses-of-the-effects-of-bicycle-helmets-on-injuries
#6
Alena Høye
A meta-analysis has been conducted of the effects of bicycle helmets on serious head injury and other injuries among crash involved cyclists. 179 effect estimates from 55 studies from 1989-2017 are included in the meta-analysis. The use of bicycle helmets was found to reduce head injury by 48%, serious head injury by 60%, traumatic brain injury by 53%, face injury by 23%, and the total number of killed or seriously injured cyclists by 34%. Bicycle helmets were not found to have any statistically significant effect on cervical spine injury...
April 17, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29677216/plasma-metabolomic-biomarkers-accurately-classify-acute-mild-traumatic-brain-injury-from-controls
#7
Massimo S Fiandaca, Mark Mapstone, Amin Mahmoodi, Thomas Gross, Fabio Macciardi, Amrita K Cheema, Kian Merchant-Borna, Jeffrey Bazarian, Howard J Federoff
Past and recent attempts at devising objective biomarkers for traumatic brain injury (TBI) in both blood and cerebrospinal fluid have focused on abundance measures of time-dependent proteins. Similar independent determinants would be most welcome in diagnosing the most common form of TBI, mild TBI (mTBI), which remains difficult to define and confirm based solely on clinical criteria. There are currently no consensus diagnostic measures that objectively define individuals as having sustained an acute mTBI. Plasma metabolomic analyses have recently evolved to offer an alternative to proteomic analyses, offering an orthogonal diagnostic measure to what is currently available...
2018: PloS One
https://www.readbyqxmd.com/read/29677192/the-dyad-adaptive-paced-auditory-serial-addition-test-da-pasat-normative-data-and-the-effects-of-repeated-testing-simulated-malingering-and-traumatic-brain-injury
#8
David L Woods, John M Wyma, Timothy J Herron, E William Yund, Bruce Reed
The Paced Auditory Serial Addition Test (PASAT) is widely used to evaluate processing speed and executive function in patients with multiple sclerosis, traumatic brain injury, and other neurological disorders. In the PASAT, subjects listen to sequences of digits while continuously reporting the sum of the last two digits presented. Four different stimulus onset asynchronies (SOAs) are usually tested, with difficulty increasing as SOAs are reduced. Ceiling effects are common at long SOAs, while the digit delivery rate often exceeds the subject's processing capacity at short SOAs, causing some subjects to stop performing altogether...
2018: PloS One
https://www.readbyqxmd.com/read/29676934/cognitive-profiles-of-older-adults-with-a-prior-traumatic-brain-injury-versus-healthy-controls-a-meta-analysis
#9
Kelly Y An, Mich C E Monette
OBJECTIVE: To determine cognitive outcomes in older adults (≥ 50 years old) having sustained a traumatic brain injury (TBI) using meta-analysis. METHODS: MedLine and PsycInfo databases were searched to identify studies comparing neuropsychological profiles in older adults with and without a history of TBI across various injury severities and times post-injury. Ten studies (n = 717) meeting inclusion criteria were identified. Tests were divided into functional modalities and average effect sizes were calculated across studies on a test-by-test basis...
April 20, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29676680/midline-central-fluid-percussion-model-of-traumatic-brain-injury-in-pediatric-and-adolescent-rats
#10
Rachel K Rowe, Jordan L Harrison, Timothy W Ellis, P David Adelson, Jonathan Lifshitz
OBJECTIVE Experimental traumatic brain injury (TBI) models hold significant validity to the human condition, with each model replicating a subset of clinical features and symptoms. TBI is the leading cause of mortality and morbidity in children and teenagers; thus, it is critical to develop preclinical models of these ages to test emerging treatments. Midline fluid percussion injury (FPI) might best represent mild and diffuse clinical brain injury because of the acute behavioral deficits, the late onset of behavioral morbidities, and the absence of gross histopathology...
April 20, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29676679/principles-of-system-design-not-realized-for-pediatric-craniospinal-trauma-care-in-the-united-states
#11
Joseph Piatt
OBJECTIVE An implicit expectation of the pioneers of trauma system design was that high clinical volume at select centers could lead to superior outcomes. There has been little study of the regionalization of pediatric craniospinal trauma care, and whether it continues to trend in the direction of regionalization is unknown. The motivating hypothesis for this study was that trauma system design in the United States is proceeding on a rational basis, producing hospital caseloads that are increasing over time and, because of geographic siting appropriate to the needs of catchment areas, in an increasingly uniform manner...
April 20, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29675632/factors-affecting-mortality-and-reoperations-in-high-energy-pelvic-fractures
#12
Peyman Bakhshayesh, Lars Weidenhielm, Anders Enocson
AIM: Factors affecting mortality during the first year following high-energy pelvic fractures has not been reported previously. Nor has surgical complications leading to reoperations been reported in a cohort with only high-energy pelvic trauma patients. OBJECTIVES: The aim of this study was to report and analyse factors affecting outcome, in terms of mortality and reoperations, up to 1 year after the injury in patients with a traumatic pelvic ring injury due to a high-energy trauma...
April 19, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29675071/pediatric-head-injury-a-study-of-403-cases-in-a-tertiary-care-hospital-in-a-developing-country
#13
Abrar Ahad Wani, Arif Hussain Sarmast, Muzaffar Ahangar, Nayil Khursheed Malik, Sarabjit Singh Chhibber, Sajad Hussain Arif, Altaf Umar Ramzan, Bashir Ahmed Dar, Zulfiqar Ali
Introduction: Traumatic brain injury (TBI) in children is a significant cause of morbidity and mortality worldwide. Falls are the most common type of injury, followed by motor vehicle-related accidents and child abuse. Aims and Objectives: The aim and objective of this study was to elucidate the various modes of injury, prognostic factors, complications, incidence of various modes of injury, and outcome in TBI in pediatric population. Materials and Methods: Patients with TBI, 18 years or less in age, managed in our Department of Neurosurgery, over a period of 2 years, were studied prospectively...
October 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29674994/a-cross-sectional-study-on-cerebral-hemodynamics-after-mild-traumatic-brain-injury-in-a-pediatric-population
#14
Corey M Thibeault, Samuel Thorpe, Michael J O'Brien, Nicolas Canac, Mina Ranjbaran, Ilyas Patanam, Artin Sarraf, James LeVangie, Fabien Scalzo, Seth J Wilk, Ramon Diaz-Arrastia, Robert B Hamilton
The microvasculature is prominently affected by traumatic brain injury (TBI), including mild TBI (concussion). Assessment of cerebral hemodynamics shows promise as biomarkers of TBI, and may help inform development of therapies aimed at promoting neurologic recovery. The objective of this study was to assess the evolution in cerebral hemodynamics observable with transcranial Doppler (TCD) ultrasound in subjects suffering from a concussion at different intervals during recovery. Pediatric subjects between the ages of 14 and 19 years clinically diagnosed with a concussion were observed at different points post-injury...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29674712/when-light-hurts-comparative-morphometry-of-human-brainstem-in-traumatic-photalgia
#15
Lora T Likova, Christopher W Tyler
Traumatic brain injury is an increasingly common affliction, although many of its serious repercussions are still underappreciated. A frequent consequence is the development of light-induced pain, or 'photalgia', which can often lead to prolonged debilitation. The mechanism underlying the sensitivity to light, however, remains unresolved. Since tissue oedema (swelling) is a common feature of traumatic brain injury, we propose that the brainstem oedema, in particular, might sensitize the brainstem trigeminal complex to signals from ocular mechanisms activated in bright light...
April 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29674479/regionally-clustered-abcc8-polymorphisms-in-a-prospective-cohort-predict-cerebral-oedema-and-outcome-in-severe-traumatic-brain-injury
#16
Ruchira Menka Jha, Theresa A Koleck, Ava M Puccio, David O Okonkwo, Seo-Young Park, Benjamin E Zusman, Robert S B Clark, Lori A Shutter, Jessica S Wallisch, Philip E Empey, Patrick M Kochanek, Yvette P Conley
OBJECTIVE: ABCC8 encodes sulfonylurea receptor 1, a key regulatory protein of cerebral oedema in many neurological disorders including traumatic brain injury (TBI). Sulfonylurea-receptor-1 inhibition has been promising in ameliorating cerebral oedema in clinical trials. We evaluated whether ABCC8 tag single-nucleotide polymorphisms predicted oedema and outcome in TBI. METHODS: DNA was extracted from 485 prospectively enrolled patients with severe TBI. 410 were analysed after quality control...
April 19, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29674358/unmet-rehabilitation-needs-after-hospitalization-for-traumatic-brain-injury
#17
Molly M Fuentes, Jin Wang, Juliet Haarbauer-Krupa, Keith Owen Yeates, Dennis Durbin, Mark R Zonfrillo, Kenneth M Jaffe, Nancy Temkin, David Tulsky, Hilary Bertisch, Frederick P Rivara
OBJECTIVES: In this study, we describe unmet service needs of children hospitalized for traumatic brain injury (TBI) during the first 2 years after injury and examine associations between child, family, and injury-related characteristics and unmet needs in 6 domains (physical therapy, occupational therapy, speech therapy, mental health services, educational services, and physiatry). METHODS: Prospective cohort study of children age 8 to 18 years old admitted to 6 hospitals with complicated mild or moderate to severe TBI...
April 19, 2018: Pediatrics
https://www.readbyqxmd.com/read/29673818/bilateral-temporal-extradural-hematoma-on-top-of-bilateral-temporal-arachnoid-cyst-first-case-report-and-extensive-literature-review
#18
Munzir Abbas, Sami Khairy, Mohammad AlWohaibi, Ahmed Aloriadi, Waleed Waslallah AlQurashi
BACKGROUND: The traumatic complication of an arachnoid cyst (AC) with intra-cystic and subdural hematoma has been reported in many cases. However, a unilateral extradural hematoma (EDH) as a complication of AC is extremely rare. Most arachnoid cysts are unilateral and are located in the middle cranial fossa. Bilateral temporal AC alone is an extremely rare condition, and a bilateral EDH on top of a bilateral temporal AC has never been reported in the literature. CLINICAL PRESENTATION: We report the case of a 25-year-old male with a known bilateral AC who was involved in a car accident and developed a bilateral temporal EDH...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29673800/blindness-after-facial-trauma-epidemiology-incidence-and-risk-factors-a-27-year-cohort-study-of-5708-patients
#19
Panagiotis Stathopoulos, Dimosthenis Igoumenakis, Michalis Mezitis, George Rallis
OBJECTIVES: This was a 27-year study of a cohort of 5708 patients who had sustained maxillofacial fractures. Our purpose was to present the etiology, mechanism of trauma, site, and concomitant injuries that led to visual loss. We hypothesize that fractures caused by high-energy impact of the midface may be associated with blindness. A discussion of the treatment approaches is also included. STUDY DESIGN: The study included 5708 patients who had sustained a maxillofacial fracture during the years 1985-2012...
March 23, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29671828/nf-%C3%AE%C2%BAb-mediated-inflammation-in-the-pathogenesis-of-intracranial-aneurysm-and-subarachnoid-hemorrhage-does-autophagy-play-a-role
#20
REVIEW
Elzbieta Pawlowska, Joanna Szczepanska, Karol Wisniewski, Paulina Tokarz, Dariusz J Jaskólski, Janusz Blasiak
The rupture of saccular intracranial aneurysms (IA) is the commonest cause of non-traumatic subarachnoid hemorrhage (SAH)—the most serious form of stroke with a high mortality rate. Aneurysm walls are usually characterized by an active inflammatory response, and NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) has been identified as the main transcription factor regulating the induction of inflammation-related genes in IA lesions. This transcription factor has also been related to IA rupture and resulting SAH...
April 19, 2018: International Journal of Molecular Sciences
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