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Electrostimulation

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https://www.readbyqxmd.com/read/28624495/comparison-of-ultrasound-and-electrostimulation-guided-nerve-blocks-of-brachial-plexus-in-dogs
#1
Minori Akasaka, Miki Shimizu
OBJECTIVE: To compare the effectiveness of ultrasound- and electrostimulation-guided nerve blocks of the brachial plexus and to determine whether ultrasound guidance is feasible in conscious dogs. STUDY DESIGN: Blinded, crossover, experimental study. ANIMALS: Six clinically healthy adult Beagle dogs. METHODS: The nerves of the brachial plexus of the right thoracic limb were blocked under ultrasound guidance (UNB) in conscious dogs and under electrostimulation guidance (ENB) in anesthetized dogs with bupivacaine (0...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28607322/assessment-of-the-mechanical-properties-of-the-muscle-tendon-unit-by-supersonic-shear-wave-imaging-elastography-a-review
#2
Kelly Mônica Marinho E Lima, José Francisco Silva Costa Júnior, Wagner Coelho de Albuquerque Pereira, Liliam Fernandes de Oliveira
This review aimed to describe the state of the art in muscle-tendon unit (MTU) assessment by supersonic shear wave imaging (SSI) elastography in states of muscle contraction and stretching, during aging, and in response to injury and therapeutic interventions. A consensus exists that MTU elasticity increases during passive stretching or contraction, and decreases after static stretching, electrostimulation, massage, and dry needling. There is currently no agreement regarding changes in the MTU due to aging and injury...
April 15, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28556590/biocompatibility-of-four-common-orthopedic-biomaterials-following-neuroelectromyostimulation-an-in-vivo-study
#3
Lecocq Mathieu, Felix Marie-Solenne, Bernard Cécile, Linares Jean-Marc, Chaves-Jacob Julien, Decherchi Patrick, Dousset Erick
Despite the worldwide high prevalence of total joint arthroplasty (TJA), life expectancy of prosthesis remains limited by mechanical and chemical constraint which promote wear debris production, surrounding tissues damage and finally prosthesis loosening. Such results could be amplified by neuro-myoelectrostimulation (NMES; widely used to reduce neuromuscular deficits observed following TJA surgery). It was previously described in an in vivo experiment that interactions between NMES and Ti6Al4V implant are deleterious for both implant and surrounding muscles...
May 29, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28513326/the-effects-of-blood-flow-restricted-electrostimulation-on-strength-hypertrophy
#4
Joshua Slysz, Jamie F Burr
CONTEXT: The combined effect of neuromuscular electrical muscle stimulation (NMES) and blood flow restriction (BFR) on muscle mass and strength has not been thoroughly investigated. OBJECTIVE: To examine the effects of combined and independent BFR and a low-intensity NMES on skeletal muscle adaptation. DESIGN: Exploratory Study. SETTING: Laboratory. PARTICIPANTS: Twenty recreationally active subjects...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28506482/technical-principles-of-direct-bipolar-electrostimulation-for-cortical-and-subcortical-mapping-in-awake-craniotomy
#5
J Pallud, E Mandonnet, R Corns, E Dezamis, E Parraga, M Zanello, G Spena
INTRODUCTION: Intraoperative application of electrical current to the brain is a standard technique during brain surgery for inferring the function of the underlying brain. The purpose of intraoperative functional mapping is to reliably identify cortical areas and subcortical pathways involved in eloquent functions, especially motor, sensory, language and cognitive functions. MATERIAL AND METHODS: The aim of this article is to review the rationale and the electrophysiological principles of the use of direct bipolar electrostimulation for cortical and subcortical mapping under awake conditions...
May 12, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28506003/synergy-effects-of-combined-multichannel-emg-triggered-electrical-stimulation-and-mirror-therapy-in-subacute-stroke-patients-with-severe-or-very-severe-arm-hand-paresis
#6
Thomas Schick, Hans-Peter Schlake, Juliane Kallusky, Günter Hohlfeld, Maria Steinmetz, Florian Tripp, Karsten Krakow, Michaela Pinter, Christian Dohle
BACKGROUND: Neurorehabilitation requires the development of severity-dependent and successful therapies for arm/hand rehabilitation in stroke patients. OBJECTIVE: To evaluate the effectiveness of adding mirror therapy to bilateral EMG-triggered multi-channel electrostimulation for the treatment of severe arm/hand paresis in stroke patients. METHODS: The subjects of this randomized, controlled, multicentre study were stroke patients who had suffered their first insult between 1 and 6 months before study start and had severe or very severe arm/hand paresis, as classified by Fugl-Meyer-Assessment...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28502568/resection-of-cavernous-angioma-located-in-eloquent-areas-using-functional-cortical-and-subcortical-mapping-under-awake-conditions-outcomes-in-a-50-case-multicentre-series
#7
M Zanello, M Wager, R Corns, L Capelle, E Mandonnet, D Fontaine, N Reyns, E Dezamis, R Matsuda, D Bresson, H Duffau, J Pallud
INTRODUCTION: Surgical resection of supratentorial cavernous angiomas located in eloquent areas poses a significant risk to the patient of postoperative neurological impairment and justifies intraoperative functional monitoring. METHODS: Multicentre retrospective series of adult patients with cavernous angiomas located within eloquent areas and treated with functional-based surgical resection according to functional boundaries under intraoperative functional cortico-subcortical monitoring under awake conditions...
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28488983/effectiveness-of-electrostimulation-on-whole-salivary-flow-among-patients-with-type-2-diabetes-mellitus
#8
Sujatha Dyasnoor, Shwetha Kamath, Nishat Fatima Abdul Khader
CONTEXT: Xerostomia and hyposalivation are associated with diabetes. Research is sparse regarding electrostimulation as a mainstream therapy for salivary gland hypofunction. OBJECTIVE: To clinically evaluate the effectiveness of transcutaneous electric nerve stimulation (TENS) therapy in stimulating whole salivary flow among patients with xerostomia and hyposalivation caused by diabetes mellitus. DESIGN: Forty patients between age 30 to 75 years with diabetes mellitus categorized as controlled or uncontrolled who had subjective symptoms of xerostomia and an objective sign of hyposalivation were included in a prospective study...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28475994/simulation-and-resolution-of-voltage-reversal-in-microbial-fuel-cell-stack
#9
Marc Sugnaux, Cyrille Savy, Christian Pierre Cachelin, Gérald Hugenin, Fabian Fischer
To understand the biotic and non-biotic contributions of voltage reversals in microbial fuel cell stacks (MFC) they were simulated with an electronic MFC-Stack mimic. The simulation was then compared with results from a real 3L triple MFC-Stack with shared anolyte. It showed that voltage reversals originate from the variability of biofilms, but also the external load plays a role. When similar biofilm properties were created on all anodes the likelihood of voltage reversals was largely reduced. Homogenous biofilms on all anodes were created by electrical circuit alternation and electrostimulation...
August 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28474107/-foot-drop-treatment-by-implantation-of-a%C3%A2-neuroprosthesis-actigait%C3%A2
#10
D Yao, E Jakubowitz, S Ettinger, C Plaass, C Stukenborg-Colsman, K Daniilidis
OBJECTIVE: Gait improvement by restoring dorsiflexion using a neuroprosthesis implant. INDICATIONS: Foot drop with damage to the 1st motor neuron; passive mobility in ankle is possible; adult patients. CONTRAINDICATIONS: Foot drop with peripheral damage and injury to the peroneal nerve; already implanted stimulators (e.g., defibrillator, pacemaker, or pain stimulator); severe anesthesia risks in multimorbid patients. SURGICAL TECHNIQUE: Surgery in lateral position...
May 4, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28461755/a-current-affair-electrotherapy-in-wound-healing
#11
REVIEW
Jerome Hunckler, Achala de Mel
New developments in accelerating wound healing can have immense beneficial socioeconomic impact. The wound healing process is a highly orchestrated series of mechanisms where a multitude of cells and biological cascades are involved. The skin battery and current of injury mechanisms have become topics of interest for their influence in chronic wounds. Electrostimulation therapy of wounds has shown to be a promising treatment option with no-device-related adverse effects. This review presents an overview of the understanding and use of applied electrical current in various aspects of wound healing...
2017: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/28444093/electrical-stimulation-attenuates-morphological-alterations-and-prevents-atrophy-of-the-denervated-cranial-tibial-muscle
#12
Cleuber Rodrigo de Souza Bueno, Mizael Pereira, Idvaldo Aparecido Favaretto, Carlos Henrique Fachin Bortoluci, Thais Caroline Pereira Dos Santos, Daniel Ventura Dias, Letícia Rossi Daré, Geraldo Marco Rosa
Objective: To investigate if electrical stimulation through Russian current is able to maintain morphology of the cranial tibial muscle of experimentally denervated rats. Methods: Thirty-six Wistar rats were divided into four groups: the Initial Control Group, Final Control Group, Experimental Denervated and Treated Group, Experimental Denervated Group. The electrostimulation was performed with a protocol of Russian current applied three times per week, for 45 days...
January 2017: Einstein
https://www.readbyqxmd.com/read/28441282/magnetic-field-reference-levels-for-arbitrary-periodic-waveforms-for-prevention-of-peripheral-nerve-stimulation
#13
Gregory B Gajda, Stephen H Bly
Guidelines for prevention of peripheral nerve stimulation from exposure to low frequency magnetic fields have been developed by standard-setting bodies. Exposure limits or reference levels (RLs) are typically set in terms of the maximum root-mean-square amplitude of a sinusoidal waveform; however, environmental flux densities are often periodic, non-sinusoidal waveforms. This work presents a procedure for deriving RLs for any generalized periodic waveform using the empirical nerve-stimulation threshold data obtained from human volunteer MRI experiments...
June 2017: Health Physics
https://www.readbyqxmd.com/read/28440265/role-of-jun-amino-terminal-kinase-jnk-in-apoptosis-of-cavernosal-tissue-during-acute-phase-after-cavernosal-nerve-injury
#14
Won Hoon Song, Hwancheol Son, Soo Woong Kim, Jae-Seung Paick, Min Chul Cho
The present study aimed to identify which mitogen-activated protein kinase (p38 or Jun amino-terminal kinase [JNK]) was involved in cavernosal apoptosis during the acute phase after cavernosal nerve crush injury (CNCI) in rats to ameliorate apoptosis of cavernosal tissue, such as smooth muscle (SM). A total of twenty 10-week-old male Sprague-Dawley rats were divided equally into two groups: sham surgery (S) and CNCI (I). The I group approximated the clinical situation of men undergoing radical prostatectomy using two 60-second compressions of both CNs with a microsurgical vascular clamp...
April 18, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28432606/neuromuscular-electrostimulation-a-new-therapeutic-option-to-improve-radio-cephalic-arteriovenous-fistula-maturation-in-end-stage-chronic-kidney-disease-patients
#15
Lucia Martinez, Vicent Esteve, Montserrat Yeste, Vicent Artigas, Secundino Llagostera
BACKGROUND: Radio-cephalic arteriovenous fistula (RCAVF) is the gold standard vascular access for end-stage chronic kidney disease patients. Exercises after arteriovenous fistula (AVF) creation improve maturation. No articles are published regarding neuromuscular electrostimulation (NMES) in AVF maturation. OBJECTIVES: To assess the usefulness of a NMES programme on RCAVF maturation process. METHODS: An 8-week single-centre prospective study...
April 21, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28432032/neuronal-excitation-and-permeabilization-by-200-ns-pulsed-electric-field-an-optical-membrane-potential-study-with-fluovolt-dye
#16
Andrei G Pakhomov, Iurii Semenov, Maura Casciola, Shu Xiao
Electric field pulses of nano- and picosecond duration are a novel modality for neurostimulation, activation of Ca(2+) signaling, and tissue ablation. However it is not known how such brief pulses activate voltage-gated ion channels. We studied excitation and electroporation of hippocampal neurons by 200-ns pulsed electric field (nsPEF), by means of time-lapse imaging of the optical membrane potential (OMP) with FluoVolt dye. Electroporation abruptly shifted OMP to a more depolarized level, which was reached within <1ms...
July 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28419879/challenging-the-myth-of-right-non-dominant-hemisphere-lessons-from-cortico-subcortical-stimulation-mapping-in-awake-surgery-and-surgical-implications
#17
REVIEW
Tatiana Vilasboas, Guillaume Herbet, Hugues Duffau
For a long time, the right hemisphere (RH) was considered as "non-dominant", especially in right-handers. In neurosurgical practice, this dogma resulted in the selection of awake procedure with language mapping only for lesions of the left "dominant" hemisphere. Conversely, surgery under general anesthesia (possibly with motor mapping) was usually proposed for right lesions. However, when objective neuropsychological assessments were performed, they frequently revealed cognitive and behavioral deficits following brain surgery, even in the RH...
April 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28416459/the-error-of-broca-from-the-traditional-localizationist-concept-to-a-connectomal-anatomy-of-human-brain
#18
REVIEW
Hugues Duffau
Neurology, especially aphasiology, was mainly built on behavioral-structural correlations ("lesion method"). In this setting, Broca's area has been considered as the "speech area"; moreover, this observation led to localizationism. However, advances in brain mapping techniques, as functional neuroimaging and direct electrical stimulation in patients undergoing awake surgery for gliomas, has resulted in a paradigmatic shift regarding models of neural architecture. In fact, the brain is organized in distributed complex networks underpinning sensorimotor, visuospatial, language, cognitive and emotional functions...
April 14, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28397279/change-of-somatosensory-function-of-the-tongue-caused-by-chorda-tympani-nerve-disorder-after-stapes-surgery
#19
Emi Maeda, Hirokazu Katsura, Tomomi Nin, Akiko Sakaguchi-Fukunaga, Yasuo Mishiro, Masafumi Sakagami
OBJECTIVES: Patients after middle ear surgery often complain of taste disturbance and a lingual numbness. The purpose of this study was to objectively assess changes in the somatosensation of the tongue and taste function in patients undergoing stapes surgery. STUDY DESIGN: Prospective study. METHODS: Symptoms of taste disturbance and tongue numbness after surgery were investigated before and after surgery in 41 patients (13 males, 28 females; mean age 41...
April 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28334999/rewiring-the-primary-somatosensory-cortex-in-carpal-tunnel-syndrome-with-acupuncture
#20
RANDOMIZED CONTROLLED TRIAL
Yumi Maeda, Hyungjun Kim, Norman Kettner, Jieun Kim, Stephen Cina, Cristina Malatesta, Jessica Gerber, Claire McManus, Rebecca Ong-Sutherland, Pia Mezzacappa, Alexandra Libby, Ishtiaq Mawla, Leslie R Morse, Ted J Kaptchuk, Joseph Audette, Vitaly Napadow
Carpal tunnel syndrome is the most common entrapment neuropathy, affecting the median nerve at the wrist. Acupuncture is a minimally-invasive and conservative therapeutic option, and while rooted in a complex practice ritual, acupuncture overlaps significantly with many conventional peripherally-focused neuromodulatory therapies. However, the neurophysiological mechanisms by which acupuncture impacts accepted subjective/psychological and objective/physiological outcomes are not well understood. Eligible patients (n = 80, 65 female, age: 49...
April 1, 2017: Brain: a Journal of Neurology
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