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https://www.readbyqxmd.com/read/28226860/an-implantable-designed-for-human-use-peripheral-nerve-stimulation-and-recording-system-for-advanced-prosthetics
#1
John R Lachapelle, Caroline K Bjune, Alexander L Kindle, Andrew Czarnecki, John R Burns, Julianne E Grainger, Carlos A Segura, Brian D Nugent, Tirunelveli S Sriram, Philip D Parks, Edward Keefer, Jonathan Cheng, John R Lachapelle, Caroline K Bjune, Alexander L Kindle, Andrew Czarnecki, John R Burns, Julianne E Grainger, Carlos A Segura, Brian D Nugent, Tirunelveli S Sriram, Philip D Parks, Edward Keefer, Jonathan Cheng, John R Lachapelle, Edward Keefer, Alexander L Kindle, Julianne E Grainger, John R Burns, Philip D Parks, Jonathan Cheng, Andrew Czarnecki, Brian D Nugent, Carlos A Segura, Tirunelveli S Sriram, Caroline K Bjune
Complex suture prostheses that deliver sensory and position feedback require a more sophisticated integration with the human user. Here a micro-size active implantable system that provides many-degree-of-freedom neural feedback in both sensory stimulation and motor control is shown, as one potential human-use solution in DARPA's HAPTIX program. Various electrical and mechanical challenge and solutions in meeting both sensory /motor performance as well as ISO 14708 FDA-acceptable human use in an aspirin-size active implementation are discussed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28216824/cardiac-troponin-i-a-potent-biomarker-for-myocardial-damage-assessment-following-high-voltage-electric-burn
#2
Arindam Bose, Chandra B Chhabra, Shobha Chamania, Nanda Hemvani, Dhananjay S Chitnis
Myocardial infarction (MI) following high voltage electric burn is very rare, and its pathogenesis remains controversial. Electrical burns represent only 4% of all burns. Hence, clinical managements have taken a slow pace in developing. The recent guidelines laid down by the cardiology societies include cardiac troponin I (cTnI) as the gold standard marker for the assessment of myocardial damage assessment. Two patients were admitted to our hospital at the different time with the same kind of high voltage electric burn...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28202483/clinical-management-of-electrical-burns-in-the-developing-world-a-case-of-electrical-burn-injury-left-untreated-leading-to-amputation
#3
Marcus Choong, Delia Chy, Jerric R Guevarra, Allen Ross
We discuss the case of a 26-year-old male patient from Northern Samar, the Philippines who was left without essential health services after the amputation of all four limbs following a high voltage (20 000 volts) injury in Metro Manila in 2011. Local health services in the developing world are faced with enormous challenges in providing first-line care for burn patients. The cost of maintaining a burn unit, finding suitable qualified staff, and appropriate referral mechanisms are only some of the challenges faced...
February 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28190442/neurologic-complications-of-acute-environmental-injuries
#4
I R F da Silva, J A Frontera
Environmental injuries can result in serious neurologic morbidity. This chapter reviews neurologic complications of thermal burns, smoke inhalation, lightning strikes, electric injury, near drowning, decompression illness, as well as heat stroke and accidental hypothermia. Knowing the pathophysiology and clinical presentation of such injuries is essential to proper management of primary and secondary medical complications. This chapter highlights the most frequently encountered neurologic injuries secondary to common environmental hazards, divided into the topics: injuries related to fire, electricity, water, and the extremes of temperature...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28185802/infection-in-burn-patients-in-a-referral-center-in-colombia
#5
Carlos Enrique Ramirez-Blanco, Carlos Enrique Ramirez-Rivero, Luis Alfonso Diaz-Martinez, Luis Miguel Sosa-Avila
INTRODUCTION: Worldwide, burns are responsible for more than 300,000 deaths annually; infection is a major cause of morbidity and mortality in these patients. Early identification and treatment of infection improves outcome. Toward this end it's necessary to identify the institutions flora and organisms that most frequently produces infection. OBJECTIVES: To characterize infections developed by burn patients hospitalized at the University Hospital of Santander (HUS)...
February 6, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28185178/spatiotemporal-distribution-and-source-apportionment-of-low-molecular-weight-organic-acids-in-wet-precipitation-at-a-coastal-city-china
#6
Wenjiao Du, Zhenyu Hong, Yanting Chen, Junjun Deng, Jinsheng Chen, Lingling Xu, Youwei Hong, Hang Xiao
To investigate the characteristics and sources of low molecular weight (LMW) organic acids in wet precipitation at a coastal city, Xiamen, a total of 313 rainwater samples were collected at seven different functional areas from September 2012 to August 2013. Spatiotemporal characteristics of LMW organic acids as well as pH and electrical conductivity were analyzed. Meanwhile, air mass clusters in different seasons and the positive matrix factorization (PMF) source apportion model were comprehensively used to identify the sources of organic acids...
February 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28183739/association-of-sociodemographic-and-household-characteristics-with-non-fatal-burns-among-children-under-the-age-of-10%C3%A2-years-in-sudan-an-exploratory-secondary-analysis-of-the-sudan-household-health-survey-2010
#7
Safa Abdalla, Muna Abdel Aziz, Igbal Basheir
BACKGROUND: Globally, children have the highest mortality rates from fire-related burns. Sudan is no exception, but there had been no prior investigations of potentially preventable risk factors. We undertook this analysis to investigate the role of various sociodemographic and household factors. METHODS: We used Sudan Household Health Survey 2010 data from a national stratified multistage cluster sample of 15 000 households. The dependent variable was whether the child had a non-fatal burn in the 12 months preceding the survey, based on the most recent injury...
February 9, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28164140/epidemiology-of-pediatric-burns-and-future-prevention-strategies-a-study-of-475-patients-from-a-high-volume-burn-center-in-north-india
#8
Amol Dhopte, V K Tiwari, Pankaj Patel, Rahul Bamal
BACKGROUND: Pediatric burns have a long-term social impact. This is more apparent in a developing country such as India, where their incidence and morbidity are high. The aim of this study was to provide recent prospective epidemiological data on pediatric burns in India and to suggest future preventive strategies. METHODS: Children up to 18 years old admitted to the Department of Burns, Plastic & Maxillofacial Surgery, VMMC & Safdarjung Hospital, New Delhi, between January and December 2014 were included in the study...
2017: Burns and trauma
https://www.readbyqxmd.com/read/28163378/low-temperature-plasma-equipment-applied-on-surgical-hemostasis-and-wound-healings
#9
REVIEW
Kenji Miyamoto, Sanae Ikehara, Hajime Sakakita, Yuzuru Ikehara
Low temperature plasma (LTP) coagulation equipment, which avoids causing burn injuries to patients, has been introducing into minimally invasive surgery. The mechanism by which this equipment stops bleeding is to directly occupy the injury with the formed blood clots, and different from the mechanism of the common electrical hemostatic devices that cauterize the tissues around the bleeding to stem the blood flow. A noteworthy point is that LTP treatment with our equipment is not confined only to the blood coagulation system, but it has significant effects on the other blood components to form clots with or without hemolysis, and that there is a plasma current threshold that determines whether the treatment makes stable clots...
January 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28162164/-repair-mechanisms-of-the-wounds-with-exposed-bone-structures-using-an-artificial-dermis
#10
X Chen, C Wang, C Zhang, X Huang, H S Cao
Objective: To investigate the repair mechanisms of the wounds with bone exposed by artificial dermis transplantation. Methods: Seventy two rabbits were randomly divided into 3 groups of 24 rabbits, the wound model was made on the top of head. In the skin defect group (SD group), skin was removed and skull periosteum was retained. In the periosteal defect group (PD group), the skin and skull periosteum were both removed, and the skull was exposed. In the skull burn group (SB group), after the periosteum was removed, the exposed skull bone was burned out with electric iron to cause skull surface necrosis, then the artificial dermis transplantation were performed in each group...
January 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28149256/extensive-burn-injury-caused-by-fundamental-electronic-cigarette-design-flaw
#11
S Bohr, F Almarzouqi, N Pallua
Currently, electronic cigarette (EC) devices are widely used as an alternative to conventional smoking. The underlying technical principle is an electric coil-based vaporizer unit, which vaporizes various solutions for inhalation purposes with a rechargeable lithium battery unit as power source. We report a case of extensive burn injury resulting from the thermal explosion of a battery unit within an EC device. Though internal thermal instabilities of lithium ion batteries are a known safety issue, the unique feature here is a pronounced amplification of the extent of burn injury due to an additional scalding burn mechanism that resulted from heating of the liquid reservoir adjacent to the battery...
September 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28149248/late-complications-of-high-voltage-electrical-injury-might-involve-multiple-systems-and-be-related-to-current-path
#12
B Azzena, I Tocco-Tussardi, A Pontini, B Presman, F Huss
Delayed complications of electrical burns are mostly unexpected, and the link between the injury and the symptoms often goes unrecognized. A possible relation between source-ground sites and late clinical manifestations was recently emphasized. We report a unique case of combined intestinal-spinal delayed complications following a high-voltage electrical injury, a possible explanation being a greater current flow through the right hemisoma. The potential for late complications is an additional feature that physicians must consider in managing electrical injuries...
September 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28149236/brachial-artery-protected-by-wrapped-latissimus-dorsi-muscle-flap-in-high-voltage-electrical-injury
#13
E Gencel, C Eser, O Kokacya, E Kesiktas, M Yavuz
High voltage electrical injury can disrupt the vascular system and lead to extremity amputations. It is important to protect main vessels from progressive burn necrosis in order to salvage a limb. The brachial artery should be totally isolated from the burned area by a muscle flap to prevent vessel disruption. In this study, we report the use of a wrap-around latissimus dorsi muscle flap to protect a skeletonized brachial artery in a high voltage electrical injury in order to salvage the upper extremity and restore function...
June 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28149227/epidemiology-of-nosocomial-fungal-infections-in-the-national-center-for-burns-in-casablanca-morocco
#14
A Rafik, M Diouri, N Bahechar, A Chlihi
Fungal infection is a leading cause of death in burns patients and incurs significant costs for burn units. Our aim was to determine epidemiology of these infections, and analyze risk factors in the burns intensive care unit of the National Center for Burns and Plastic Surgery at Ibn-Rochd University Hospital, Casablanca. It is a retrospective review of all patients admitted from 2011-2014 who developed cultures positive for fungal organisms. Criteria for nosocomial fungal infections were those of the Center for Disease Control in Atlanta (1988, revised 1992, 2004)...
June 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28120884/phosphorylated-histone-3-at-serine-10-identifies-activated-spinal-neurons-and-contributes-to-the-development-of-tissue-injury-associated-pain
#15
Jose Vicente Torres-Pérez, Péter Sántha, Angelika Varga, Peter Szucs, Joao Sousa-Valente, Botond Gaal, Miklós Sivadó, Anna P Andreou, Sara Beattie, Bence Nagy, Klara Matesz, J Simon C Arthur, Gábor Jancsó, Istvan Nagy
Transcriptional changes in superficial spinal dorsal horn neurons (SSDHN) are essential in the development and maintenance of prolonged pain. Epigenetic mechanisms including post-translational modifications in histones are pivotal in regulating transcription. Here, we report that phosphorylation of serine 10 (S10) in histone 3 (H3) specifically occurs in a group of rat SSDHN following the activation of nociceptive primary sensory neurons by burn injury, capsaicin application or sustained electrical activation of nociceptive primary sensory nerve fibres...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106795/bio-based-aromatic-epoxy-monomers-for-thermoset-materials
#16
REVIEW
Feifei Ng, Guillaume Couture, Coralie Philippe, Bernard Boutevin, Sylvain Caillol
The synthesis of polymers from renewable resources is a burning issue that is actively investigated. Polyepoxide networks constitute a major class of thermosetting polymers and are extensively used as coatings, electronic materials, adhesives. Owing to their outstanding mechanical and electrical properties, chemical resistance, adhesion, and minimal shrinkage after curing, they are used in structural applications as well. Most of these thermosets are industrially manufactured from bisphenol A (BPA), a substance that was initially synthesized as a chemical estrogen...
January 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28103994/-analysis-of-microrna-expression-profile-in-serum-of-patients-with-electrical-burn-or-thermal-burn
#17
Q F Ruan, M J Jiang, Z Q Ye, C L Zhao, W G Xie
Objective: To explore the differential expression of microRNAs in the serum among patients with electrical burn or thermal burn and healthy persons and to explore the significance. Methods: In this study we included three patients with electrical burn and three patients with thermal burn, conforming to the inclusion criteria and hospitalized in our burn ward from June to August 2015, and three healthy adult volunteers. Their serum samples were separated from whole blood and divided into electrical burn group, thermal burn group, and normal control group...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28075118/uranyl-peroxide-cage-cluster-solubility-in-water-and-the-role-of-the-electrical-double-layer
#18
Kathryn M Peruski, Varinia Bernales, Mateusz Dembowski, Haylie L Lobeck, Kristi L Pellegrini, Ginger E Sigmon, Sarah Hickam, Christine M Wallace, Jennifer E S Szymanowski, Enrica Balboni, Laura Gagliardi, Peter C Burns
Uranium concentrations as high as 2.94 × 10(5) parts per million (1.82 mol of U/1 kg of H2O) occur in water containing nanoscale uranyl cage clusters. The anionic cage clusters, with diameters of 1.5-2.5 nm, are charge-balanced by encapsulated cations, as well as cations within their electrical double layer in solution. The concentration of uranium in these systems is impacted by the countercations (K, Li, Na), and molecular dynamics simulations have predicted their distributions in selected cases. Formation of uranyl cages prevents hydrolysis reactions that would result in formation of insoluble uranyl solids under alkaline conditions, and these spherical clusters reach concentrations that require close packing in solution...
January 11, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28072813/a-case-report-on-red-ear-syndrome-with-tinnitus-successfully-treated-with-transcranial-random-noise-stimulation
#19
Peter M Kreuzer, Veronika Vielsmeier, Timm B Poeppl, Berthold Langguth
BACKGROUND: The red ear syndrome represents a rare symptom complex consisting of auricular erythema associated with painful and burning sensations. It has been described in combination with tinnitus rarely. It has been hypothesized to be etiologically related to altered trigeminal afferent input, temporomandibular disorders, and thalamic dysfunction. OBJECTIVES: The initial objective of applying transcranial random noise stimulation (tRNS) in a case of red ear syndrome in combination with tinnitus was the alleviation of the phantom sounds...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28064088/asylum-seekers-alleging-torture-in-their-countries-evaluation-of-a-french-center
#20
Renaud Clément, David Lebossé, Lucia Barrios, Olivier Rodat
MATERIALS AND METHODS: Over a 6-year period, 570 survivors gave consent to this study and were examined by forensic medical doctors in academic French hospital. They evaluated with the aim of cataloguing the physical evidence of torture. Sociological data, declared violence (single physical altercation, repeated physical violence less than one year or more than one year, incarceration not more than one week or more than 1 week), and method of violence (blows by blunt object, crushing, burns, electrical shocks, attempted drowning, smothering, incision, or gunshot) were studied...
February 2017: Journal of Forensic and Legal Medicine
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