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Functional electric stimulation

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https://www.readbyqxmd.com/read/29161465/neuromuscular-electrical-stimulation-for-the-prevention-of-venous-thromboembolism
#1
REVIEW
Shahab Hajibandeh, Shahin Hajibandeh, George A Antoniou, James Rh Scurr, Francesco Torella
BACKGROUND: Venous thromboembolism (VTE) is a serious but preventable cause of morbidity and mortality. Neuromuscular electrical stimulation systems (NMES) for the prevention of VTE may be beneficial for patients in whom pharmacological or standard mechanical prophylaxis methods are contraindicated or are regarded as unsafe or impractical. Although findings of experimental studies suggest that NMES reduce venous stasis, the clinical utility and effectiveness of NMES in VTE prevention remain controversial...
November 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29160569/reconstruction-of-bladder-function-and-prevention-of-renal-deterioration-by-means-of-end-to-side-neurorrhaphy-in-rats-with-neurogenic-bladder
#2
Yun Long Li, Jian Jun Wen, Yi Bo Wen, Xiang Fei He, Jun Wei Wu, Yan Wei Li, Zhong Jiang Han, Jin Jin Feng, Shao Hua Yan, Shou Lin Li, John Pfa Heesakkers, Wan Sheng Gao, Jian Guo Wen
AIMS: To investigate the feasibility of restoring bladder function and prevention of renal deterioration by neurorrhaphy in rats with neurogenic bladder (NB). METHODS: Forty-two rats were assigned to the end-to-side nerve coaptation group (ECG, n = 16), no nerve coaptation group (NCG, n = 16), and control group (CG, n = 10). In the ECG, the left ventral root (VR) and dorsal root (DR) of L6 and S1 were transected, and the distal stump of L6VR was sutured to the lateral face of L4VR...
November 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29160551/effects-of-pilates-and-yoga-in-patients-with-chronic-neck-pain-a-sonographic-study
#3
Naime Uluğ, Öznur Tunca Yılmaz, Murat Kara, Levent Özçakar
BACKGROUND: Various studies have shown the efficacy of conventional isometric, Pilates and yoga exercises. However, data on the effects and comparison of these specific exercises on the cervical muscle morphology are insufficient or lacking. OBJECTIVE: To investigate the effects of different exercise treatments on neck muscles in patients with chronic neck pain. DESIGN: A randomized study. METHODS: Fifty-six patients with chronic neck pain were randomized into 3 groups as follows: Pilates group (n = 20), yoga group (n = 18) and isometric group (n = 18)...
November 16, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29158847/photoactive-poly-3-hexylthiophene-nanoweb-for-optoelectrical-stimulation-to-enhance-neurogenesis-of-human-stem-cells
#4
Kisuk Yang, Jin Young Oh, Jong Seung Lee, Yoonhee Jin, Gyeong-Eon Chang, Soo Sang Chae, Eunji Cheong, Hong Koo Baik, Seung-Woo Cho
Optoelectrical manipulation has recently gained attention for cellular engineering; however, few material platforms can be used to efficiently regulate stem cell behaviors via optoelectrical stimulation. In this study, we developed nanoweb substrates composed of photoactive polymer poly(3-hexylthiophene) (P3HT) to enhance the neurogenesis of human fetal neural stem cells (hfNSCs) through photo-induced electrical stimulation. METHODS: The photoactive nanoweb substrates were fabricated by self-assembled one-dimensional (1D) P3HT nanostructures (nanofibrils and nanorods)...
2017: Theranostics
https://www.readbyqxmd.com/read/29158670/interferential-current-sensory-stimulation-through-the-neck-skin-improves-airway-defense-and-oral-nutrition-intake-in-patients-with-dysphagia-a-double-blind-randomized-controlled-trial
#5
Keisuke Maeda, Takayuki Koga, Junji Akagi
Background: Neuromuscular electrical stimulation with muscle contraction, administered through the skin of the neck, improves a patient's swallowing ability. However, the beneficial effects of transcutaneous electrical sensory stimulation (TESS), without muscle contraction, are controversial. We investigated the effect of TESS, using interferential current, in patients undergoing dysphagia rehabilitation. Methods: This double-blind, randomized controlled trial involved 43 patients who were prescribed in-hospital dysphagia rehabilitation for ≥3 weeks...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29155079/analyzing-eeg-and-meg-signals-recorded-during-tes-a-reply
#6
Nima Noury, Markus Siegel
Transcranial Electric Stimulation (tES) is a widely used non-invasive brain stimulation technique. However, strong stimulation artifacts complicate the investigation of neural activity with EEG or MEG during tES. Thus, studying brain signals during tES requires detailed knowledge about the properties of these artifacts. Recently, we characterized the phase- and amplitude-relationship between tES stimulation currents and tES artifacts in EEG and MEG and provided a mathematical model of these artifacts (Noury and Siegel, 2017, and Noury et al...
November 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/29150795/navigated-3d-ultrasound-versus-conventional-neuronavigation-during-awake-resections-of-eloquent-low-grade-gliomas-a-comparative-study-at-a-single-institution
#7
Andrej Šteňo, Vladimír Hollý, Peter Mendel, Veronika Šteňová, Ľubica Petričková, Gabriela Timárová, Michaela Jezberová, Víťazoslav Belan, Boris Rychlý, Jozef Šurkala, Juraj Šteňo
BACKGROUND: The data showing usefulness of navigated 3D-ultrasound (3DUS) during awake resections of eloquent gliomas are sparse. Results of surgeries performed using 3DUS were never compared to procedures guided by standard neuronavigation. The aim of this work is to assess the effectiveness of 3DUS during awake resections of eloquent low-grade gliomas (LGGs) by comparing surgical results of two series of patients operated on using conventional neuronavigation and using 3DUS. To our knowledge, a similar study is lacking in the literature...
November 17, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29149801/response-to-phillips-et-al-an-autonomic-neuroprosthesis-non-invasive-electrical-spinal-cord-stimulation-restores-autonomic-cardiovascular-function-in-individuals-with-spinal-cord-injury
#8
https://www.readbyqxmd.com/read/29148158/long-term-anesthetic-protocol-in-rats-feasibility-in-electrophysiology-studies-in-visual-prosthesis
#9
Alejandro Barriga-Rivera, Veronica Tatarinoff, Nigel H Lovell, John W Morley, Gregg J Suaning
Electrical stimulation of excitable cells provides therapeutic benefits for a variety of medical conditions, including restoration of partial vision to those blinded via some types of retinal degeneration. To improve visual percepts elicited by the current technology, researchers are conducting acute electrophysiology experiments, mainly in cats. However, the rat can provide a model of a range of retinal diseases and possesses a sufficiently large eye to be used in this field. This article presents a long-term anesthetic protocol to enable electrophysiology experiments to further the development of visual prostheses...
November 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29148138/artificial-walking-technologies-to-improve-gait-in-cerebral-palsy-multichannel-neuromuscular-stimulation
#10
Jessica Rose, Katelyn Cahill-Rowley, Erin E Butler
Cerebral palsy (CP) is the most common childhood motor disability and often results in debilitating walking abnormalities, such as flexed-knee and stiff-knee gait. Current medical and surgical treatments are only partially effective in improving gait abnormalities and may cause significant muscle weakness. However, emerging artificial walking technologies, such as step-initiated, multichannel neuromuscular electrical stimulation (NMES), can substantially improve gait patterns and promote muscle strength in children with spastic CP...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148137/brain-computer-interfaces-with-multi-sensory-feedback-for-stroke-rehabilitation-a-case-study
#11
Danut C Irimia, Woosang Cho, Rupert Ortner, Brendan Z Allison, Bogdan E Ignat, Guenter Edlinger, Christoph Guger
Conventional therapies do not provide paralyzed patients with closed-loop sensorimotor integration for motor rehabilitation. This work presents the recoveriX system, a hardware and software platform that combines a motor imagery (MI)-based brain-computer interface (BCI), functional electrical stimulation (FES), and visual feedback technologies for a complete sensorimotor closed-loop therapy system for poststroke rehabilitation. The proposed system was tested on two chronic stroke patients in a clinical environment...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148135/cadence-tracking-and-disturbance-rejection-in-functional-electrical-stimulation-cycling-for-paraplegic-subjects-a-case-study
#12
Lucas O da Fonseca, Antônio P L Bó, Juliana A Guimarães, Miguel E Gutierrez, Emerson Fachin-Martins
Functional electrical stimulation cycling has been proposed as an assistive technology with numerous health and fitness benefits for people with spinal cord injury, such as improvement in cardiovascular function, increase in muscular mass, and reduction of bone mass loss. However, some limitations, for example, lack of optimal control strategies that would delay fatigue, may still prevent this technology from achieving its full potential. In this work, we performed experiments on a person with complete spinal cord injury using a stationary tadpole trike when both cadence tracking and disturbance rejection were evaluated...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148132/functional-electrical-stimulation
#13
EDITORIAL
Christine Azevedo Coste, Milos Popovic, Winfried Mayr
No abstract text is available yet for this article.
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148131/temporal-and-spatial-variability-of-surface-motor-activation-zones-in-hemiplegic-patients-during-functional-electrical-stimulation-therapy-sessions
#14
Jovana Malešević, Matija Štrbac, Milica Isaković, Vladimir Kojić, Ljubica Konstantinović, Aleksandra Vidaković, Suzana Dedijer Dujović, Miloš Kostić, Thierry Keller
The goal of this study was to investigate surface motor activation zones and their temporal variability using an advanced multi-pad functional electrical stimulation system. With this system motor responses are elicited through concurrent activation of electrode matrix pads collectively termed "virtual electrodes" (VEs) with appropriate stimulation parameters. We observed VEs used to produce selective wrist, finger, and thumb extension movements in 20 therapy sessions of 12 hemiplegic stroke patients. The VEs which produce these three selective movements were created manually on the ergonomic multi-pad electrode by experienced clinicians based on visual inspection of the muscle responses...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148129/development-of-functional-electrical-stimulation-rowing-the-rowstim-series
#15
Brian Andrews, Robin Gibbons, Garry Wheeler
Potentially, functional electrical stimulation (FES)-assisted exercise may have an important therapeutic role in reducing comorbidities associated with spinal cord injury (SCI). Here, we present an overview of these secondary life-threatening conditions, discuss the rationale behind the development of a hybrid exercise called FES rowing, and describe our experience in developing FES rowing technology. FES rowing and sculling are unique forms of adaptive rowing for those with SCI. The paralyzed leg musculature is activated by multiple channels of electrical pulses delivered via self-adhesive electrodes attached to the skin...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148128/step-ergometer-training-augmented-with-functional-electrical-stimulation-in-individuals-with-chronic-spinal-cord-injury-a-feasibility-study
#16
Candy Tefertiller, Don Gerber
Spinal cord injury (SCI) often results in loss of upright mobility and independence subsequently challenging rehabilitation practitioners for meaningful intervention strategies. The objective of this study was to evaluate the feasibility and potential impact on walking function of the stimulation and ergometer training protocol (STEP) in chronic SCI. Fourteen individuals with a chronic motor incomplete SCI (>1-year post injury) were enrolled in the study. The intervention consisted of a 12-week walking training program delivered three times per week from 20 up to 45 min in combination with 10 channels of FES on a step ergometer...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29146192/calcium-imaging-method-to-visualize-the-spatial-patterns-of-neural-responses-in-the-pygmy-squid-idiosepius-paradoxus-central-nervous-system
#17
Motoki Koizumi, Shuichi Shigeno, Makoto Mizunami, Nobuaki K Tanaka
BACKGROUND: Cephalopods exhibit unique behaviors such as camouflage and tactile learning. The brain functions correlated to these behaviors have long been analyzed through behavioral observations of animals subject to surgical manipulation or electrical stimulation of brain lobes. However, physiological methods have rarely been introduced to investigate the functions of each individual lobe, though physiological work on giant axons and slices of the vertical lobe system of the cephalopods have provided deep insights into ion conductance of nerves and long-term synaptic plasticity...
November 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29144103/effects-of-home-based-superimposed-neuromuscular-electrical-stimulation-in-severe-chronic-obstructive-pulmonary-disease-patients-a-randomized-controlled-clinical-trial
#18
Marie C Valenza, Irene Torres-Sánchez, Laura López-López, Irene Cabrera-Martos, Araceli Ortiz-Rubio, Gerald Valenza-Demet
BACKGROUND: COPD patients experience a sustained deterioration of several capacities. Those with severe COPD undergo a considerable decline in their physical and functional capacities, but pulmonary rehabilitation (PR) is used to reduce the weakness of such patients. To date, neuromuscular electrical stimulation (NMES) has been used in acute COPD patients but NMES superimposed onto voluntary muscular contraction has not been tested in COPD patients. AIM: The aim of this study was to evaluate the effects of superimposed NMES on the cardiorespiratory performance and functionality of severe COPD patients undergoing a home-based rehabilitation program...
November 16, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29142468/glucagon-like-peptide-2-modulates-the-nitrergic-neurotransmission-in-strips-from-the-mouse-gastric-fundus
#19
Rachele Garella, Eglantina Idrizaj, Chiara Traini, Roberta Squecco, Maria Giuliana Vannucchi, Maria Caterina Baccari
AIM: To investigate whether glucagon-like peptide-2 (GLP-2) influences the neurally-induced responses in gastric strips from mice, since no data are available. METHODS: For functional experiments, gastric fundal strips were mounted in organ baths containing Krebs-Henseleit solution. Mechanical responses were recorded via force-displacement transducers, which were coupled to a polygraph for continuous recording of isometric tension. Electrical field stimulation (EFS) was applied via two platinum wire rings through which the preparation was threaded...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29141551/noninvasive-cerebellar-stimulation-as-a-complement-tool-to-pharmacotherapy
#20
Roberta Ferrucci, Tommaso Bocci, Francesca Cortese, Fabiana Ruggiero, Alberto Priori
Cerebellar ataxias represent a wide and heterogeneous group of diseases characterized by balance and coordination disturbance, dysarthria, dyssynergia and adyadococinesia, caused by a dysfunction in the cerebellum. In recent years there has been growing interest in discovering therapeutical strategy for specific forms of cerebellar ataxia. Together with pharmacological studies, there has been growing interest in non-invasive cerebellar stimulation techniques to improve ataxia and limb coordination. Both transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) are non-invasive techniques to modulate cerebro and cerebellar cortex excitability using magnetic or electric fields...
November 14, 2017: Current Neuropharmacology
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