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https://www.readbyqxmd.com/read/28717964/wound-morphology-in-contact-shots-from-blank-cartridge-handguns-a-study-on-composite-models
#1
Rebecca Pircher, Markus Große Perdekamp, Annette Thierauf-Emberger, Lena Kramer, Stefan Pollak, Dorothee Geisenberger
It is a well-known fact that blank cartridge guns can cause penetrating and even fatal injuries when discharged in contact or at very close ranges. In these cases, the gas jet perforates the skin leaving an entrance wound similar to that from a conventional gun. In order to investigate the wound morphology in contact shots from blank firearms, test shots were fired at composite models of pig skin and gelatin blocks using three different calibre 9-mm blank cartridge handguns (two pistols and one revolver) and two types of ammunition...
July 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28717295/animal-inflicted-maxillofacial-injuries-treatment-modalities-and-our-experience
#2
Anjani Kumar Yadav, Mehul Rajesh Jaisani, Leeza Pradhan, Ashok Dongol, Arpita Singh, Pradeep Acharya, Alok Sagtani
INTRODUCTION: Animal inflicted injuries to the face and neck are becoming much more common as people lavish affection on pets. Injuries caused by animal attacks to the face can cause complex injuries to soft and hard tissues, presented as perforations, lacerations, crushes, avulsion or fractures. An uncountable number of bacteria and virus can be found in such injuries, with a potential pathological effect to humans, regarding infections. Although the infection rate is low due to excellent blood supply to face, the injuries have disfiguring effect with possible psychological repercussion to the patients...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28715400/a-novel-method-to-model-chronic-traumatic-encephalopathy-in-drosophila
#3
Mingkuan Sun, Liam L Chen
Chronic Traumatic Encephalopathy (CTE) is an established neurodegenerative disease that is closely associated with exposure to repetitive mild Traumatic Brain Injury (mTBI). The mechanisms responsible for its complex pathological changes remain largely elusive, despite a recent consensus to define the neuropathological criteria. Here, we describe a novel method to develop a model of CTE in Drosophila melanogaster (Drosophila ) in an attempt to identify the key genes and pathways that lead to the characteristic hyperphosphorylated tau accumulation and neuronal death in the brain...
July 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28715004/an-implantable-multimodal-sensor-for-oxygen-neurotransmitters-and-electrophysiology-during-spreading-depolarization-in-the-deep-brain
#4
Caddy N Hobbs, Justin A Johnson, Matthew D Verber, R Mark Wightman
Brain tissue injury is often accompanied by spreading depolarization (SD) events, marked by widespread cellular depolarization and cessation of neuronal firing. SD recruits viable tissue into the lesion, making it a focus for intervention. During SD, drastic fluctuations occur in ion gradients, extracellular neurotransmitter concentrations, cellular metabolism, and cerebral blood flow. Measuring SD requires a multimodal approach to capture the array of changes. However, the use of multiple sensors can inflict tissue damage...
July 17, 2017: Analyst
https://www.readbyqxmd.com/read/28709048/intentional-burn-injury-assessment-of-allegations-of-self-infliction
#5
Juliet Cohen, Jo Pettitt, Emily Wilbourn
This study investigates the question of whether there is evidence that suggests the possibility of self-infliction, or self-infliction by proxy, of burn injury among a group of asylum claimants in the UK who have attributed such injuries to torture, and how such evidence might be assessed. The question arose from the observations of doctors at the UK-based charity Freedom from Torture that increasing numbers of individuals from Sri Lanka who described a history of torture had suffered severe and disfiguring burn injuries from heated metal objects, and the suggestion from asylum decision-makers that in some cases such injuries could have been acquired deliberately by self-infliction or self-infliction by proxy rather than by torture as claimed...
July 5, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28694006/neurotoxicity-with-persistent-unilateral-ophthalmoplegia-from-envenoming-by-a-wild-inland-taipan-oxyuranus-microlepidotus-elapidae-in-remote-outback-south-australia
#6
Scott A Weinstein, Evan Everest, Jeremy Purdell-Lewis, Michael Harrison, Fiona Tavender, Sam Alfred, Liz Marrack, Chris Davenport-Klunder, Neralie Wearn, Julian White
INTRODUCTION: A case of life threatening envenoming by a wild specimen of the inland taipan, Oxyuranus microlepidotus, is described. There have been 11 previously well-documented envenomings by O. microlepidotus, but only 2 were inflicted by wild snakes. Envenomed patients have presented predominantly with defibrinating coagulopathy and neurotoxicity. CASE REPORT: The victim was seeking to observe members of an isolated population of this species and was envenomed while attempting to photograph an approximately 1...
July 8, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28689354/functional-and-molecular-characterization-of-a-novel-traumatic-peripheral-nerve-muscle-injury-model
#7
Renate Wanner, Manuel Gey, Alireza Abaei, Daniela Warnecke, Luisa de Roy, Lutz Dürselen, Volker Rasche, Bernd Knöll
Traumatic injuries to human peripheral nerves are frequently associated with damage to nerve surrounding tissues including muscles and blood vessels. Currently, most rodent models of peripheral nerve injuries (e.g., facial or sciatic nerve) employ surgical nerve transection with scissors or scalpels. However, such an isolated surgical nerve injury only mildly damages neighboring tissues and weakly activates an immune response. In order to provide a rodent nerve injury model accounting for such nerve-associated tissue damage and immune cell activation, we developed a drop tower-based facial nerve trauma model in mice...
July 8, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28688866/a-retrospective-study-can-we-differentiate-between-repeat-self-inflicted-burn-patients-and-those-who-commit-a-self-inflicted-burn-as-an-individual-occurrence
#8
Meelad Sayma, Simon Booth, Debbie Weller, Baljit Dheansa
Self-inflicted burns (SIBs) are a significant cause of burns morbidity worldwide. A sub-group of SIB patients demonstrate recurrent SIB behaviour causing repeated morbidity and an increasing strain on hospital resources. The ability to predict which patients are likely to demonstrate repeat behaviour will allow for more targeted interventions in this group. This study aimed to identify the factors that differentiate patients who repeat SIB from those who commit SIB as an individual occurrence. A three-step approach was adopted: (1) initial data collection through the locally held records of the International Burns Injury Database (iBID); (2) follow-up data of SIB patient information were extracted from patient notes and (3) statistical data analysis...
June 12, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28680775/median-nerve-palsies-due-to-injections-a-review
#9
REVIEW
Andrea Andrea, Jocelyn R Gonzales, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
Injection nerve palsy (INP) in the median nerve is an iatrogenic peripheral nerve injury that can be inflicted by a faulty intramuscular injection in the median nerve area. The literature reports a 2% incidence of INP among all peripheral nerve injuries. The incidence of INP in developed countries has decreased significantly during the past decade, but the injury appears to remain prevalent in developing countries. A deep understanding of the anatomy of the peripheral nerves, and a precise intramuscular injection technique, have been shown to be vital for preventing INP in the median nerve...
May 29, 2017: Curēus
https://www.readbyqxmd.com/read/28677736/glutathione-peroxidase-3-is-a-protective-factor-against-acetaminophen%C3%A2-induced-hepatotoxicity-in-vivo-and-in-vitro
#10
Syu-Ichi Kanno, Ayako Tomizawa, Shin Yomogida, Akiyoshi Hara
Acetaminophen (APAP) is a widely available antipyretic and analgesic; however, overdose of the drug inflicts severe damage to the liver. It is well established that the hepatotoxicity of APAP is initiated by formation of a reactive metabolite, N‑acetyl‑p‑benzoquinone imine (NAPQI), which can be detoxified by conjugation with reduced glutathione (GSH), a typical antioxidant. We recently found that the blood mRNA expression level of glutathione peroxidase 3 (Gpx3), which catalyzes the oxidation of GSH, is associated with the extent of APAP‑induced hepatotoxicity in mice...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28673910/injury-mediated-decrease-in-locomotor-performance-increases-predation-risk-in-schooling-fish
#11
J Krause, J E Herbert-Read, F Seebacher, P Domenici, A D M Wilson, S Marras, M B S Svendsen, D Strömbom, J F Steffensen, S Krause, P E Viblanc, P Couillaud, P Bach, P S Sabarros, P Zaslansky, R H J M Kurvers
The costs and benefits of group living often depend on the spatial position of individuals within groups and the ability of individuals to occupy preferred positions. For example, models of predation events for moving prey groups predict higher mortality risk for individuals at the periphery and front of groups. We investigated these predictions in sardine (Sardinella aurita) schools under attack from group hunting sailfish (Istiophorus platypterus) in the open ocean. Sailfish approached sardine schools about equally often from the front and rear, but prior to attack there was a chasing period in which sardines attempted to swim away from the predator...
August 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28658379/mortality-and-years-of-life-lost-by-interpersonal-violence-and-self-harm-in-brazil-and-brazilian-states-analysis-of-the-estimates-of-the-global-burden-of-disease-study-1990-and-2015
#12
Deborah Carvalho Malta, Maria Cecília de Souza Minayo, Adauto Martins Soares, Marta Maria Alves da Silva, Marli de Mesquita Silva Montenegro, Roberto Marini Ladeira, Otaliba Libanio de Morais, Ana Paula Melo, Meghan Mooney, Mohsen Naghavi
Objective: To analyze mortality and years of life lost due to death or disability (disability-adjusted life years - DALYs) for interpersonal violence and self-harm, comparing 1990 and 2015, in Brazil and Federated Units, using estimates produced by the Global Burden of Disease 2015 (GBD 2015). Methods: Secondary data analysis of estimates from the GBD 2015, producing standardized death rates and years of life lost due to death or disability. The main source of death data was the Mortality Information System, submitted to correction of underreporting of deaths and redistribution of garbage codes...
May 2017: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
https://www.readbyqxmd.com/read/28657400/a-review-of-radiation-countermeasures-focusing-on-injury-specific-medicinals-and-regulatory-approval-status-part-iii-countermeasures-under-early-stages-of-development-along-with-standard-of-care-medicinal-and-procedures-not-requiring-regulatory-approval-for
#13
Vijay K Singh, Briana K Hanlon, Paola T Santiago, Thomas M Seed
PURPOSE: Terrorist attacks, with their intent to maximize psychological and economic damage as well as inflicting sickness and death on given targeted populations, are an ever-growing worldwide concern in government and public sectors as they become more frequent, violent, and sensational. If given the chance, it is likely that terrorists will use radiological or nuclear weapons. To thwart these sinister efforts, both physical and medical countermeasures against these weapons are currently being researched and developed so that they can be utilized by the first responders, military, and medical providers alike...
June 28, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28656947/-the-significance-of-the-results-of-crash-tests-with-the-use-of-the-models-of-the-pedestrians-lower-extremities-for-the-prevention-of-the-traffic-road-accidents
#14
S A Smirenin, V A Fetisov, V G Grigoryan, A A Gusarov, Yu O Kucheryavets
The disabling injuries inflicted during road traffic accidents (RTA) create a serious challenge for the public health services and are at the same time a major socio-economic problem in the majority of the countries throughout the world. The injuries to the lower extremities of the pedestrians make up the largest fraction of the total number of the non-lethal RTA injuries. Most of them are responsible for the considerable deterioration of the quality of life for the participants in the accidents during the subsequent period...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28654166/lesions-in-the-splenium-of-the-corpus-callosum-on-mri-in-children-a-review
#15
Marinos Kontzialis, Bruno P Soares, Thierry A G M Huisman
A wide variety of conditions may involve the splenium of the corpus callosum on magnetic resonance imaging in children. A single cause may present with different patterns of splenial involvement, and multiple diseases may have similar imaging findings. Keeping this limitation in mind, the goal of this text is to assist in the diagnostic process of pediatric neurological diseases that are characterized by prominent involvement of the splenium of the corpus callosum on imaging. The various pathologies will be reviewed and categorized based on etiology, reversibility, and pattern of additional or associated findings...
June 27, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28651421/-effects-of-change-in-the-activity-of-vacuolar-adenosine-triphosphatase-of-myocardial-lysosome-on-myocardial-damage-in-rats-after-severe-burn-and-its-mechanism
#16
X P Yan, D X Zhang, T T Yan, Q Zhang, J Z Jia, Y S Huang
Objective: To explore the effects of change of activity of vacuolar adenosine triphosphatase (V-ATPase) of myocardial lysosome on myocardial damage in rats after severe burn and its mechanism. Methods: The myocardial lysosomes were extracted from the hearts of 12 SD rats with ultra-high speed gradient density centrifugation, then Western blotting and transmission electron microscope observation were conducted for identification. One hundred and twenty rats were divided into pure burn group, ATP group, normal control group, and bafilomycin group according to the random number table, with 30 rats in each group...
May 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648163/-self-injury-converting-emotional-distress-into-physical-pain
#17
Bo Møhl, Lotte Rubæk
Self-inflicted pain by cutting, hitting or burning oneself has become a common way to regulate emotions and to serve as coping strategy. 21.5-32% of adolescents in non-clinical populations have a history of non-suicidal self-injury. Non-suicidal self-injury has a momentarily relieving effect and is an important predictor of suicidal behaviour; even superficial self-injury should be taken seriously. There is an urgent need for organized treatment programmes for young people who self-harm.
June 26, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28648042/-effects-of-lappaconitine-on-pain-and-inflammatory-response-of-severely-burned-rats-and-the-mechanism
#18
C L Yang, Z R Wei, T H Zhang, X Q Zeng, B H Wu
Objective: To explore the effects of lappaconitine (LA) on pain and inflammatory response of severely burned rats and the mechanism. Methods: Forty SD rats were divided into healthy+ normal saline group, sham injury+ normal saline group, pure burn group, burn+ LA group, and healthy+ LA group according to the random number table (the same dividing method below), with 8 rats in each group. Rats in pure burn and burn+ LA groups were inflicted with about 32% total body surface area deep partial-thickness scald (hereinafter referred to as burn) on the back and right hind...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648037/-effects-of-activating-silent-information-regulator-1-on-early-kidney-damage-in-rats-with-severe-burn
#19
X Z Bai, T He, Y Liu, W Zhang, F Han, C Yang, W X Cai, Y H Jia, J H Shi, J T Han, L L Su, D H Hu
Objective: To investigate the effects of activating silent information regulator 1 (SIRT1) on the early kidney damage in rats with severe burn. Methods: Thirty healthy male SD rats were divided into sham injury group (SI), pure burn group (PB), and SIRT1 activator group (SA) according to the random number table, with 10 rats in each group. Rats in groups PB and SA were inflicted with 30% total body surface area full-thickness scald (hereinafter referred to as burn) on the back. Immediately after injury, rats in group PB were intraperitoneally injected with normal saline in the dosage of 50 mL/kg, and those in group SA with 1 mg/mL (final mass concentration) resveratrol in the dosage of 50 mL/kg...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28646276/rhizopus-arrhizus-invasive-infection-due-to-self-inflicted-scratch-injuries-in-a-diabetic-patient-with-non-ketotic-acidosis
#20
Luis Buzón Martín, Miguel Ángel Morán Rodríguez, Nicole Mercier, Maria Ortega Lafont, Eva Ojeda Fernández, Ana Ruiz de la Parte, Miguel Estefanía
Mucormycosis is a rare infection caused by members included in the subphylum Mucoromycotina. Characterized by the histopathological hallmark of angioinvasion, these infections affect most often patients with certain underlying conditions carrying immunosuppression (haematological neoplasias, diabetic ketoacidosis and other forms of acidosis, and iron overload) or immunocompetent patients with traumatic mucocutaneous barriers breakdown and direct inoculation of the mould. A case is presented in which a rare underlying condition (non-ketotic acidosis) and a rare cause of cutaneous injuries collide...
June 23, 2017: Mycopathologia
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