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https://www.readbyqxmd.com/read/28723751/early-laparotomy-and-timely-reconstruction-for-patients-with-abdominal-electrical-injury-five-case-reports-and-literature-review
#1
Pi-Hong Zhang, Zan Liu, Li-Cheng Ren, Ji-Zhang Zeng, Geng-Wen Huang, Mu-Zhang Xiao, Jie Zhou, Peng-Fei Liang, Ming-Hua Zhang, Xiao-Yuan Huang
INTRODUCTION: High-tension electricity can cause devastating injuries that may result in abdominal wall loss, visceral damage, and sometimes major threat to life. The visceral organ may be exposed after debridement and require flap cover, but the tensile strength of abdominal wall may be lack even if flap transplanted. METHODS: From April 2007 through May 2015, 5 patients with severe abdominal electrical injury were treated at our hospital. Exploratory laparotomy was performed based on their clinical manifestations and debridement findings of abdominal wall at early stage, and decision regarding technique for reconstruction of abdominal wall was based on an assessment of the location and extent of the defect...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28719379/critical-evaluation-of-metallization-in-electric-injury
#2
Sigitas Laima, Jana Bytautaite, Sigitas Chmieliauskas, Dmitrij Fomin, Algimantas Jasulaitis, Arturas Jukna, Sandra Mazeikiene, Jurgita Stasiuniene
The article presents 3 forensic medicine cases in the field of electric injury. In addition to traditional findings in electric injury (electric mark and histological findings), the forensic medicine experts in Lithuania also perform an atomic absorption spectrometry analysis. This method confirms the effects of electric current to the body through the electric conductor. Typical macroscopic finding in the skin is electric mark. Histologically, the damaged skin possesses characteristic features of thermal burns...
July 18, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28715333/wheelchair-neuroprosthesis-for-improving-dynamic-trunk-stability
#3
Kramay Patel, Matija Milosevic, Kimitaka Nakazawa, Milos R Popovic, Kei Masani
Trunk instability is a major problem for individuals with thoracic and cervical spinal cord injury. Functional electrical stimulation (FES) neuroprosthesis, a technology that uses small electrical currents to artificially contract muscles, has previously been utilized to improve trunk stability during quasistatic and dynamic sitting. The aim of this study was to develop the first powered wheelchair-based neuroprosthesis and to test its feasibility for improving trunk stability. Eleven male, able-bodied individuals participated in the feasibility study...
July 14, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28709880/low-intensity-transcranial-electric-stimulation-safety-ethical-legal-regulatory-and-application-guidelines
#4
REVIEW
A Antal, I Alekseichuk, M Bikson, J Brockmöller, A R Brunoni, R Chen, L G Cohen, G Dowthwaite, J Ellrich, A Flöel, F Fregni, M S George, R Hamilton, J Haueisen, C S Herrmann, F C Hummel, J P Lefaucheur, D Liebetanz, C K Loo, C D McCaig, C Miniussi, P C Miranda, V Moliadze, M A Nitsche, R Nowak, F Padberg, A Pascual-Leone, W Poppendieck, A Priori, S Rossi, P M Rossini, J Rothwell, M A Rueger, G Ruffini, K Schellhorn, H R Siebner, Y Ugawa, A Wexler, U Ziemann, M Hallett, W Paulus
Low intensity transcranial electrical stimulation (TES) in humans, encompassing transcranial direct current (tDCS), transcutaneous spinal Direct Current Stimulation (tsDCS), transcranial alternating current (tACS), and transcranial random noise (tRNS) stimulation or their combinations, appears to be safe. No serious adverse events (SAEs) have been reported so far in over 18,000 sessions administered to healthy subjects, neurological and psychiatric patients, as summarized here. Moderate adverse events (AEs), as defined by the necessity to intervene, are rare, and include skin burns with tDCS due to suboptimal electrode-skin contact...
June 19, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28708068/mechanomyography-and-torque-during-fes-evoked-muscle-contractions-to-fatigue-in-individuals-with-spinal-cord-injury
#5
Nor Zainah Mohamad, Nur Azah Hamzaid, Glen M Davis, Ahmad Khairi Abdul Wahab, Nazirah Hasnan
A mechanomyography muscle contraction (MC) sensor, affixed to the skin surface, was used to quantify muscle tension during repetitive functional electrical stimulation (FES)-evoked isometric rectus femoris contractions to fatigue in individuals with spinal cord injury (SCI). Nine persons with motor complete SCI were seated on a commercial muscle dynamometer that quantified peak torque and average torque outputs, while measurements from the MC sensor were simultaneously recorded. MC-sensor-predicted measures of dynamometer torques, including the signal peak (SP) and signal average (SA), were highly associated with isometric knee extension peak torque (SP: r = 0...
July 14, 2017: Sensors
https://www.readbyqxmd.com/read/28701544/modulation-of-corticospinal-input-to-the-legs-by-arm-and-leg-cycling-in-people-with-incomplete-spinal-cord-injury
#6
Rui Zhou, Laura Alvarado, Seoyoung Kim, Su Ling Chong, Vivian K Mushahwar
The spinal cervico-lumbar interaction during rhythmic movements in humans has recently been studied; however, the role of arm movements in modulating the corticospinal drive to the legs is not well understood. The goals of this study were to investigate the effect of active rhythmic arm movements on the corticospinal drive to the legs (study 1); and assess the effect of simultaneous arm and leg training on the corticospinal pathway after incomplete spinal cord injury (iSCI) (study 2). In study 1, neurologically intact (NI) participants or participants with iSCI performed combinations of stationary and rhythmic cycling of the arms and legs, while motor evoked potentials (MEPs) were recorded from the vastus lateralis (VL) muscle...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28701541/afferent-input-and-sensory-function-after-human-spinal-cord-injury
#7
Recep Ali Ozdemir, Monica A Perez
Spinal cord injury (SCI) often disrupts the integrity of afferent (sensory) axons projecting through the spinal cord dorsal columns to the brain. Examinations of ascending sensory tracts, therefore, are critical for monitoring the extent of SCI and recovery processes. In this review, we discuss the most common electrophysiological techniques used to assess transmission of afferent inputs to the primary motor cortex (i.e., afferent-input induced facilitation and inhibition) and the somatosensory cortex (i.e...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28693604/right-median-nerve-electrical-stimulation-for-acute-traumatic-coma-the-asia-coma-electrical-stimulation-trial-study-protocol-for-a-randomised-controlled-trial
#8
Xiang Wu, Chao Zhang, Junfeng Feng, Qing Mao, Guoyi Gao, Jiyao Jiang
BACKGROUND: Traumatic brain injury (TBI) has become the most common cause of death and disability in persons between 15 and 30 years of age, and about 10-15% of patients affected by TBI will end up in a coma. Coma caused by TBI presents a significant challenge to neuroscientists. Right median nerve electrical stimulation has been reported as a simple, inexpensive, non-invasive technique to speed recovery and improve outcomes for traumatic comatose patients. METHODS/DESIGN: This multicentre, prospective, randomised (1:1) controlled trial aims to demonstrate the efficacy and safety of electrical right median nerve stimulation (RMNS) in both accelerating emergence from coma and promoting long-term outcomes...
July 10, 2017: Trials
https://www.readbyqxmd.com/read/28693584/-long-term-stability-of-stimulating-spiral-nerve-cuff-electrodes-on-human-peripheral-nerves
#9
Breanne P Christie, Max Freeberg, William D Memberg, Gilles J C Pinault, Harry A Hoyen, Dustin J Tyler, Ronald J Triolo
BACKGROUND: Electrical stimulation of the peripheral nerves has been shown to be effective in restoring sensory and motor functions in the lower and upper extremities. This neural stimulation can be applied via non-penetrating spiral nerve cuff electrodes, though minimal information has been published regarding their long-term performance for multiple years after implantation. METHODS: Since 2005, 14 human volunteers with cervical or thoracic spinal cord injuries, or upper limb amputation, were chronically implanted with a total of 50 spiral nerve cuff electrodes on 10 different nerves (mean time post-implant 6...
July 11, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28690230/-comparison-between-the-effect-of-endoscopic-assisted-low-temperature-plasma-and-electric-planer-on-the-treatment-of-adenoid-hypertrophy-a-meta-analysis
#10
Shaobing Xie, Yanni Zhang, Zhenhang Xu, Jianhui Zhang, Xuewen Wu, Hong Sun
To compare the effect of endoscopic-assisted low temperature plasma (ELTP) and electric planer (EP) on the treatment of adenoid hypertrophy.
 Methods: We searched China National Knowledge Infrastructure (CNKI), Wanfang Database, Weipu Database, Chinese Biomedical Literature (CMB), PubMed, Embase, Cochrane Database, and collected the randomized controlled studies regarding the effect of ELTP and EP on the treatment of adenoid hypertrophy from January 2007 to June 2016. Methodologies were used to evaluate the included studies, and Meta-analysis was performed by Revman 5...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28689986/quaternion-based-study-of-angular-velocity-of-the-cardiac-vector-during-myocardial-ischaemia
#11
Pablo Daniel Cruces, Pedro David Arini
BACKGROUND: Early detection of acute ischaemia through non-invasive methods remains a challenge in health research. Ischaemic condition caused by a decrease in the blood supply in a cardiac region induces hypoxia and metabolic abnormalities that contribute to the electrical instability of the heart and to the development of slow conduction in damaged tissue. METHODS: Herein, a percutaneous transluminal coronary angiography (PTCA) is considered as a model of supply ischaemia...
June 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28689344/neurological-results-of-the-modified-treatment-of-epilepsy-by-stimulation-of-the-vagus-nerve
#12
Michael Vaiman, Eli Heyman, Gad Lotan
INTRODUCTION: The vagus nerve stimulation (VNS) is used for treatment of drug-resistant epilepsy but laryngeal side effects are common. We tried to improve VNS by modifying the implantation procedure. The aim was to reduce the rate of side effects that have prevented using VNS to its full capacity. METHODS: We operated on 74 pediatric patients for VNS device implantation using a modified surgical protocol incorporating lower neck incision for electrode placement and 36 patients who were operated by standard technique were used for control group...
July 8, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28689261/investigation-of-cognitive-circuits-using-steady-state-cerebral-blood-volume-and-diffusion-tensor-imaging-in-patients-with-mild-cognitive-impairment-following-electrical-injury
#13
Chang-Hyun Park, Cheong Hoon Seo, Myung Hun Jung, So Young Joo, Soyeon Jang, Ho Young Lee, Suk Hoon Ohn
PURPOSE: We utilized cerebral blood volume (CBV) magnetic resonance imaging and diffusion tensor imaging (DTI) to investigate changes in cognitive networks in patients experiencing cognitive dysfunction following electrical injury. METHODS: Cognitive function was assessed across various domains, including attention, verbal memory, executive function, and language. Depressive symptoms were also evaluated. CBV maps and DTI measures were obtained from 24 patients (age, 41...
July 8, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28688059/a-case-of-severe-refractory-hypotension-after-amlodipine-overdose
#14
Melissa Chudow, Kevin Ferguson
Calcium channel blockers (CCBs) are responsible for a substantial portion of the mortality associated with cardiovascular medication overdose cases. Amlodipine, a dihydropyridine CCB, can cause prolonged hypotension in overdose. This report describes a severe amlodipine overdose case that was refractory to multiple therapeutic approaches. A 53-year-old male presented after ingesting eighty 10 mg amlodipine tablets in a suicide attempt. The patient was initially managed with calcium boluses, glucagon, multiple vasoactive agents, lipid emulsion infusions and hyperinsulinemic euglycemic therapy...
July 7, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28679791/simulated-predator-stimuli-reduce-brain-cell-proliferation-in-two-electric-fish-species-brachyhypopomus-gauderio-and-apteronotus-leptorhynchus
#15
Kent D Dunlap, Geoffrey Keane, Michael Ragazzi, Elise Lasky, Vielka L Salazar
The brain structure of many animals is influenced by their predators, but the cellular processes underlying this brain plasticity are not well understood. Previous studies showed that electric fish (Brachyhypopomus occidentalis) naturally exposed to high predator (Rhamdia quelen) density and tail injury had reduced brain cell proliferation compared with individuals facing few predators and those with intact tails. However, these field studies described only correlations between predator exposure and cell proliferation...
July 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28676786/alterations-in-localized-electrical-impedance-myography-of-biceps-brachii-muscles-paralyzed-by-spinal-cord-injury
#16
Le Li, Argyrios Stampas, Henry Shin, Xiaoyan Li, Ping Zhou
This study assessed electrical impedance myography (EIM) changes after spinal cord injury (SCI) with a localized multifrequency technology. The EIM measurement was performed on the biceps brachii muscle at rest condition of 17 cervical SCI subjects, and 23 neurologically intact subjects as control group. The results showed that there was a significant decrease in muscle reactance (X) and phase angle (θ) at selected frequencies (i.e., 50 and 100 kHz) in SCI compared to control. There was no significant difference in muscle resistance (R) between the two groups...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28675151/the-relationship-between-retinal-damage-and-current-intensity-in-a-pre-clinical-suprachoroidal-transretinal-stimulation-model-using-a-laser-formed-microporous-electrode
#17
Hiroyuki Kanda, Yukari Nakano, Yasuo Terasawa, Takeshi Morimoto, Takashi Fujikado
Suprachoroidal-transretinal stimulation (STS) is a stimulation method for retinal prostheses. For STS-type retinal prostheses, we developed a new type of stimulating electrode called a femtosecond laser-induced porous electrode (FLiP electrode). To verify the safety of FLiP electrode for STS, we investigated the characteristics of STS-induced retinal injury. Approach: Sixteen eyes of pigmented rabbits were studied in this in vivo study. For each examined eye, we implanted a single-channel FLiP electrode (diameter, 0...
July 4, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28674041/transient-notch-activation-induces-long-term-gene-expression-changes-leading-to-sick-sinus-syndrome-in-mice
#18
Yun Qiao, Catherine Lipovsky, Stephanie Hicks, Somya Bhatnagar, Gang Li, Aditi Khandekar, Robert Guzy, Kel Vin Woo, Colin G Nichols, Igor R Efimov, Stacey Rentschler
Rationale: Notch signaling programs cardiac conduction during development, and in the adult ventricle, injury-induced Notch reactivation initiates global transcriptional and epigenetic changes. Objective: To determine whether Notch reactivation may stably alter atrial ion channel gene expression and arrhythmia inducibility. Methods and Results: To model an injury response and determine the effects of Notch signaling on atrial electrophysiology, we transiently activate Notch signaling within adult myocardium using a doxycycline-inducible genetic system (iNICD)...
July 3, 2017: Circulation Research
https://www.readbyqxmd.com/read/28669601/electrical-guidance-of-human-stem-cells-in-the-rat-brain
#19
Jun-Feng Feng, Jing Liu, Lei Zhang, Ji-Yao Jiang, Michael Russell, Bruce G Lyeth, Jan A Nolta, Min Zhao
Limited migration of neural stem cells in adult brain is a roadblock for the use of stem cell therapies to treat brain diseases and injuries. Here, we report a strategy that mobilizes and guides migration of stem cells in the brain in vivo. We developed a safe stimulation paradigm to deliver directional currents in the brain. Tracking cells expressing GFP demonstrated electrical mobilization and guidance of migration of human neural stem cells, even against co-existing intrinsic cues in the rostral migration stream...
July 11, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28668349/bilateral-inner-ear-damage-after-electrical-injury-a-case-report
#20
George Psillas, Marios Stavrakas, Ioanna Petrou, Dimitrios Rachovitsas, Konstantinos Markou
Electrical injury occurs as a result of direct contact with an electrical source. We present the case of a 62-year-old male patient, an electrician by profession, who was hit by a high-voltage electrical current while working with cables in proximity to a wet floor. The patient suffered from immediate loss of consciousness and five days later he started complaining of slight hearing loss, persistent vertigo, instability and bilateral tinnitus. A thorough audiological and vestibular examination revealed an extensive bilateral vestibulocochlear dysfunction...
June 28, 2017: Auris, Nasus, Larynx
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