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https://www.readbyqxmd.com/read/28333097/effects-of-a-sativex-like-combination-of-phytocannabinoids-on-disease-progression-in-r6-2-mice-an-experimental-model-of-huntington-s-disease
#1
Sara Valdeolivas, Onintza Sagredo, Mercedes Delgado, Miguel A Pozo, Javier Fernández-Ruiz
Several cannabinoids afforded neuroprotection in experimental models of Huntington's disease (HD). We investigated whether a 1:1 combination of botanical extracts enriched in either ∆⁸-tetrahydrocannabinol (∆⁸-THC) or cannabidiol (CBD), which are the main constituents of the cannabis-based medicine Sativex(®), is beneficial in R6/2 mice (a transgenic model of HD), as it was previously shown to have positive effects in neurotoxin-based models of HD. We recorded the progression of neurological deficits and the extent of striatal deterioration, using behavioral, in vivo imaging, and biochemical methods in R6/2 mice and their corresponding wild-type mice...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28332855/occupant-to-occupant-contact-injury-in-motor-vehicle-crashes
#2
David C Viano, Chantal S Parenteau
OBJECTIVE: This is a descriptive study of the frequency and risk of occupant-to-occupant contact injury by crash type and occupant age. It focused on rear impacts because of a recent Senate inquiry. METHODS: 1994-2013 NASS-CDS data was used to investigate the effects of occupant-to-occupant contact on the risk of serious-to-fatal injury (AIS 3+) by crash type and age group. NASS-CDS in-depth cases were analyzed to identify crash circumstances for AIS 3+ occupant-to-occupant contact injury in rear crashes...
March 23, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28331459/heterotopic-ossification-of-the-calvarium-following-bilateral-craniectomies-in-traumatic-brain-injury
#3
Rafael A Vega, Leslie Hutchins
BACKGROUND: Heterotopic ossification (HO) is defined as ectopic bone formation following traumatic brain injury. Patients typically develop lesions in the hips, knees, and elbows that cause pain, restricted range of motion, nerve impingement, and pressure ulcers. CASE REPORT: We report an unusual presentation of HO in an 18-year-old male who was involved in a motor vehicle accident and subsequently developed malignant intracranial pressure. His HO developed following bilateral craniectomies in which 2 different dural substitutes were used...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28329002/emergency-department-outpatient-treatment-of-alcohol-intoxicated-bicyclists-increases-the-cost-of-medical-care-in-japan
#4
Yosuke Homma, Sunao Yamauchi, Michiko Mizobe, Yoshiyuki Nakashima, Jin Takahashi, Hiraku Funakoshi, Kevin Y Urayama, Sachiko Ohde, Osamu Takahashi, Takashi Shiga
Riding a bicycle under the influence of alcohol is illegal in Japan. Nevertheless, intoxicated bicyclists are frequently treated at hospital emergency departments for bicycle-related injuries. This patient population usually requires more hospital resources, even for relatively minor injuries. Therefore, we hypothesized that bicycle-related crashes involving bicyclists under the influence of alcohol cost more to treat than those that do not involve alcohol intoxication. The aim of the present study was to examine the costs associated with bicycle-related minor injuries and alcohol intoxication of the bicyclist...
2017: PloS One
https://www.readbyqxmd.com/read/28322752/neuroprotector-effect-of-stem-cells-from-human-exfoliated-deciduous-teeth-transplanted-after-traumatic-spinal-cord-injury-involves-inhibition-of-early-neuronal-apoptosis
#5
Fabrício do Couto Nicola, Marília Rossato Marques, Felipe Odorcyk, Danusa Mar Arcego, Letícia Petenuzzo, Dirceu Aristimunha, Adriana Vizuete, Eduardo Farias Sanches, Daniela Pavulack Pereira, Natasha Maurmann, Carla Dalmaz, Patricia Pranke, Carlos A Netto
Stem cells from human exfoliated deciduous teeth (SHED) transplants have been investigated as a possible treatment strategy for spinal cord injuries (SCI) due to their potential for promoting functional recovery. The aim of present study was to investigate the effects of SHED on neuronal death after an experimental model of SCI. METHODS: Wistar rats were spinalized using NYU impactor®. Animals were randomly distributed into 4 groups: Control (Naive) or Surgical control, Sham (laminectomy with no SCI); SCI (laminectomy followed by SCI, treated with vehicle); SHED (SCI treated with intraspinal transplantation of 3×10(5) SHED, 1 h after SCI)...
March 16, 2017: Brain Research
https://www.readbyqxmd.com/read/28322751/neuroprotective-effects-of-2-4-dinitrophenol-in-an-acute-model-of-parkinson-s-disease
#6
Yujeong Lee, Gwangbeom Heo, Kyung Moon Lee, Ah Hyun Kim, Ki Wung Chung, Eunok Im, Hae Young Chung, Jaewon Lee
Neurons depend on mitochondria for homeostasis and survival, and thus, mitochondrial dysfunction has been implicated in neurodegenerative diseases, including Parkinson's disease (PD). Increasing evidence indicates the mitochondrial uncoupler, 2,4-dinitrophenol (DNP), protects neurons against neurodegeneration and enhances neural plasticity. Here, the authors evaluated the protective effects of intraperitoneally (i.p.) administered low dose DNP in an acute mouse model of PD. Mice were administered DNP (1 or 5 mg/kg) for 12 consecutive days, and then on day 13, MPTP (20 mg/kg, i...
March 17, 2017: Brain Research
https://www.readbyqxmd.com/read/28319756/on-the-effect-of-networks-of-cycle-tracks-on-the-risk-of-cycling-the-case-of-seville
#7
R Marqués, V Hernández-Herrador
We analyze the evolution of the risk of cycling in Seville before and after the implementation of a network of segregated cycle tracks in the city. Specifically, we study the evolution of the risk for cyclists of being involved in a collision with a motor vehicle, using data reported by the traffic police along the period 2000-2013, i.e. seven years before and after the network was built. A sudden drop of such risk was observed after the implementation of the network of bikeways. We study, through a multilinear regression analysis, the evolution of the risk by means of explanatory variables representing changes in the built environment, specifically the length of the bikeways and a stepwise jump variable taking the values 0/1 before/after the network was implemented...
March 16, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28318734/effects-of-acetone-cyanohydrin-a-derivative-of-cassava-on-motor-activity-and-kidney-and-liver-function-in-wistar-rats
#8
E Rivadeneyra-Domínguez, C J Rosas-Jarquín, A Vázquez-Luna, R Díaz-Sobac, J F Rodríguez-Landa
INTRODUCTION: Acetone cyanohydrin (ACH) is a toxic substance present in cassava roots (Manihot esculenta Crantz) which results from enzymatic hydrolysis of linamarin. Long-term consumption is associated with 2 neurological disorders: konzo and tropical ataxic neuropathy. Previous studies have evaluated behavioural alterations linked to ACH consumption, but the toxic effects of this substance on physiological processes remain unknown. METHOD: 32 male Wistar rats were assigned to 4 experimental groups (n=8 per group): a vehicle group (0...
March 16, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28314903/diatoms-in-drowning-cases-in-forensic-veterinary-context-a-preliminary-study
#9
Nadia Fucci, Carlo P Campobasso, L Mastrogiuseppe, C Puccinelli, S Marcheggiani, L Mancini, L Marino, V L Pascali
In this preliminary study, a digestive method used in forensic context to extract diatoms has been applied in organs taken from ten wildlife animals belonging three species of mammals (a deer, a roe and five otters) and one species of birds (two magpies). Only four carcasses were recovered from aquatic environments (bath trough for animals, bathtub irrigation, river) and only in three cases out of ten that the cause of death was ruled out as drowning. In seven cases, the death was due to other causes: gunshot injuries for one otter, blunt trauma for a magpie, and traumatic injuries followed by motor vehicle collision in other four otters and a roe...
March 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28314422/maxillofacial-and-mandibular-fractures-in-sports
#10
REVIEW
Christopher F Viozzi
Sports account for 3% to 29% of facial injuries and 10% to 42% of facial fractures. Fractures of the facial skeleton most commonly occur owing to interpersonal violence or motor vehicle crashes. Facial fractures from sporting activities has clearly decreased over time owing to better preventive measures. However, this decreasing trend is offset by the emergence of more dangerous sports activities, or "pushing the envelope" of traditional sports activities. Fractures can occur from contact between athletes, and between athletes and their surroundings...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28301451/traumatic-brain-injury-related-emergency-department-visits-hospitalizations-and-deaths-united-states-2007-and-2013
#11
Christopher A Taylor, Jeneita M Bell, Matthew J Breiding, Likang Xu
PROBLEM/CONDITION: Traumatic brain injury (TBI) has short- and long-term adverse clinical outcomes, including death and disability. TBI can be caused by a number of principal mechanisms, including motor-vehicle crashes, falls, and assaults. This report describes the estimated incidence of TBI-related emergency department (ED) visits, hospitalizations, and deaths during 2013 and makes comparisons to similar estimates from 2007. REPORTING PERIOD: 2007 and 2013. DESCRIPTION OF SYSTEM: State-based administrative health care data were used to calculate estimates of TBI-related ED visits and hospitalizations by principal mechanism of injury, age group, sex, and injury intent...
March 17, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28294691/injury-deaths-among-u-s-females-cdc-resources-and-programs
#12
Karin A Mack, Cora Peterson, Chao Zhou, Elliane MacConvery, Natalie Wilkins
Injury death rates are lower for women than for men at all ages, but we have a long way to go in understanding the circumstances of injury fatalities among females. This article presents resources that can be used to examine the most recent data on injury fatalities among females and highlights activities of CDC's Injury Center. The National Center for Injury Prevention and Control's (NCIPC's) Web-based Injury Statistics Query and Reporting System, an online surveillance database, can be used to examine injury deaths...
March 15, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28291451/prehospital-blood-transfusion-during-aeromedical-evacuation-of-trauma-patients-in-israel-the-idf-csar-experience
#13
Jacob Chen, Avi Benov, Roy Nadler, Daniel N Darlington, Andrew P Cap, Ari M Lipsky, Elon Glassberg
BACKGROUND: Data regarding the effect of prehospital blood administration to trauma patients during short-to-moderate time evacuations is scarce. The Israel Air Force Airborne Combat Search and Rescue is the only organization that deals with aeromedical evacuation for both military and civilian casualties in Israel and the only one with the ability to give blood in the prehospital setting. METHODS: Data on packed red blood cells (PRBCs) administration in the evacuation missions from January 2003 to June 2010 were analyzed and actual transfusion practice was compared to clinical practice guidelines (CPGs)...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290925/two-decades-of-saving-lives-on-the-battlefield-tactical-combat-casualty-care-turns-20
#14
Frank K Butler
BACKGROUND: Twenty years ago, the original Tactical Combat Casualty Care (TCCC) article was published in this journal. Since TCCC is essentially a set of best-practice prehospital trauma care guidelines customized for use on the battlefield, the presence of a journal with a specific focus on military medicine was a profound benefit to the initial presentation of TCCC to the U.S. Military. METHODS: In the two ensuing decades, which included the longest continuous period of armed conflict in our nation's history, TCCC steadily evolved as the prehospital trauma care evidence base was augmented and as feedback from user medics, corpsmen, and pararescuemen was obtained...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28289357/the-burning-issues-of-motor-vehicle-radiator-scald-injuries-revisited-a-fresh-review-and-changing-prevention-strategies
#15
J N Patel, A Tan, Q Frew, P Dziewulski
A preventable subgroup of burn injuries is scalds sustained from motor vehicle radiators. This study was to determine changes in trends in epidemiology of such injuries and to discuss whether current and other prevention efforts proposed previously require reinforcement. We conducted a retrospective study (February 2007-August 2015) of all motor vehicle-related burn referrals to our regional burns service. 68 cases of motor vehicle radiator burns were identified. Male to female ratio was 65:3. Mean age was 35...
December 31, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28287009/continuous-positive-airway-pressure-therapy-in-obstuctive-sleep-apnea-benefits-and-alternatives
#16
Michelle T Cao, Joshua M Sternbach, C Guilleminault
Obstructive sleep apnea (OSA) is a highly prevalent condition affecting persons of all age with an increasing public health burden. It is implicated in cardiovascular disease, metabolic syndrome, neurocognitive impairment, reductions in quality of life, and increased motor vehicle accidents. The goals of OSA treatment are to improve sleep and daytime symptoms, and minimize cardiovascular risks. Continuous positive airway pressure (CPAP) is considered the gold standard therapy that delivers pressurized air into the upper airway to relieve obstruction during sleep...
March 13, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28286930/interaction-of-marijuana-and-alcohol-on-fatal-motor-vehicle-crash-risk-a-case-control-study
#17
Stanford Chihuri, Guohua Li, Qixuan Chen
BACKGROUND: Concurrent use of marijuana and alcohol in drivers is of increasing concern but its role in crash causation has not been well understood. METHODS: Using a case-control design, we assessed the individual and joint effects of marijuana and alcohol use on fatal crash risk. Cases (n = 1944) were drivers fatally injured in motor vehicle crashes in the United States at specific times in 2006, 2007 and 2008. Controls (n = 7719) were drivers who participated in the 2007 National Roadside Survey of Alcohol and Drug Use by Drivers...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28285708/acquisition-and-analysis-of-road-incidents-based-on-vehicle-dynamics
#18
Claire Naude, Thierry Serre, Maxime Dubois-Lounis, Jean-Yves Fournier, Daniel Lechner, Michèle Guilbot, Vincent Ledoux
Because motor vehicle crashes have decreased during the last decade in many countries in the world and are more diffuse, local authorities have difficulties to define road safety policies. An experiment with 51 cars of public fleets equipped with a specific Event Data Recorder was carried out in France during one year. The purposes of this research were to evaluate if incident data (critical driving situations) help to understand crashes, and to explore a new way for road infrastructure safety diagnosis. The analysis of 339 genuine incidents and 1237 simple events recorded illustrates the potentiality of such an experiment and provides: some insights about conditions in which incidents occur, a general overview of their distribution according to different road layouts, as well as information on the different levels of accelerations reached...
March 9, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28285123/preclinical-predictors-that-the-orthosteric-mglu2-3-receptor-antagonist-ly3020371-will-not-engender-ketamine-associated-neurotoxic-motor-cognitive-subjective-or-abuse-liability-related-effects
#19
J M Witkin, J A Monn, J Li, B Johnson, D L McKinzie, X-S Wang, B A Heinz, R Li, P L Ornstein, S C Smith, C H Mitch, D O Calligaro, S Swanson, D Allen, K Phillips, G Gilmour
The novel mGlu2/3 receptor antagonist, LY3020371 has been shown to produce antidepressant-like effects comparable to that of the clinically-effective antidepressant ketamine. In the present study, we investigated whether LY3020371 would be predicted to be free of the side-effects and safety pharmacology issues associated with ketamine. In contrast to ketamine, LY3020371 produced small increases in locomotion and did not impair motor performance on an inverted. Ketamine, but not LY3020371, increased dopamine efflux in the nucleus accumbens of rats...
March 8, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28283027/integrated-analysis-of-genetic-behavioral-and-biochemical-data-implicates-neural-stem-cell-induced-changes-in-immunity-neurotransmission-and-mitochondrial-function-in-dementia-with-lewy-body-mice
#20
Anita Lakatos, Natalie R S Goldberg, Mathew Blurton-Jones
We previously demonstrated that transplantation of murine neural stem cells (NSCs) can improve motor and cognitive function in a transgenic model of Dementia with Lewy Bodies (DLB). These benefits occurred without changes in human α-synuclein pathology and were mediated in part by stem cell-induced elevation of brain-derived neurotrophic factor (BDNF). However, instrastriatal NSC transplantation likely alters the brain microenvironment via multiple mechanisms that may synergize to promote cognitive and motor recovery...
March 10, 2017: Acta Neuropathologica Communications
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