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Electrostimulation

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https://www.readbyqxmd.com/read/27995271/-functional-electrostimulation-for-drop-foot-treatment-clinical-outcome
#1
D Yao, E Jakubowitz, S Ettinger, L Claassen, C Plaass, C Stukenborg-Colsman, K Daniilidis
INTRODUCTION: Neurologic paralysis of the foot due to damage to the central nervous system is primarily caused by a cerebral insult. The ankle-foot orthosis (AFO), which is the classical conservative treatment option, is associated with drawbacks, e.g., increased contractures, limited mobilization from the sitting position, and cosmetic aspects. METHODS: Functional external electrostimulation (FES) is an suitable treatment method for patients with a central lesion and intact peroneal nerve...
December 19, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27941686/venom-gland-transcriptomic-and-proteomic-analyses-of-the-enigmatic-scorpion-superstitionia-donensis-scorpiones-superstitioniidae-with-insights-on-the-evolution-of-its-venom-components
#2
Carlos E Santibáñez-López, Jimena I Cid-Uribe, Cesar V F Batista, Ernesto Ortiz, Lourival D Possani
Venom gland transcriptomic and proteomic analyses have improved our knowledge on the diversity of the heterogeneous components present in scorpion venoms. However, most of these studies have focused on species from the family Buthidae. To gain insights into the molecular diversity of the venom components of scorpions belonging to the family Superstitioniidae, one of the neglected scorpion families, we performed a transcriptomic and proteomic analyses for the species Superstitionia donensis. The total mRNA extracted from the venom glands of two specimens was subjected to massive sequencing by the Illumina protocol, and a total of 219,073 transcripts were generated...
December 9, 2016: Toxins
https://www.readbyqxmd.com/read/27928210/effects-of-a-whole-body-electrostimulation-program-on-strength-sprinting-jumping-and-kicking-capacity-in-elite-soccer-players
#3
Andre Filipovic, Marijke Grau, Heinz Kleinöder, Philipp Zimmer, Wildor Hollmann, Wilhelm Bloch
The aim of the present study was to investigate the effect of a 14-week dynamic Whole-Body Electrostimulation (WB-EMS) training program on muscular strength, soccer relevant sprint, jump and kicking velocity performance in elite soccer players during competitive season. Twenty-two field-players were assigned to 2 groups: WB-EMS group (EG, n = 12), jump-training group (TG, n = 10). The training programs were conducted twice a week concurrent to 6-7 soccer training sessions during the 2nd half of the season. Participants were tested before (baseline), during (wk-7) and after (wk-14)...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27926631/effect-of-pectoral-electrostimulation-on-reduction-of-mammary-ptosis-after-bariatric-surgery
#4
Jaime Ruiz-Tovar, Carolina Llavero
BACKGROUND: Over 90% of women report to be very dissatisfied with the aspect of their breast after bariatric surgery. Breast reconstructive surgeries are often not funded by the National Health Service or private health insurances in many countries and the patient must pay a high economic amount to undergo it. PATIENTS AND METHODS: A prospective randomized clinical trial of patients undergoing bariatric surgery was performed. Patients were randomly assigned into 3 groups: patients undergoing percutaneous electrostimulation of the pectoral muscle combined with specific training (group 1), patients doing the specific training alone (group 2), and patients without any specific treatment (group 3)...
December 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27906050/the-sh3-and-cysteine-rich-domain-3-stac3-gene-is-important-to-growth-fiber-composition-and-calcium-release-from-the-sarcoplasmic-reticulum-in-postnatal-skeletal-muscle
#5
Xiaofei Cong, Jonathan Doering, Davi A G Mazala, Eva R Chin, Robert W Grange, Honglin Jiang
BACKGROUND: The SH3 and cysteine-rich domain 3 (Stac3) gene is specifically expressed in the skeletal muscle. Stac3 knockout mice die perinatally. In this study, we determined the potential role of Stac3 in postnatal skeletal muscle growth, fiber composition, and contraction by generating conditional Stac3 knockout mice. METHODS: We disrupted the Stac3 gene in 4-week-old male mice using the Flp-FRT and tamoxifen-inducible Cre-loxP systems. RESULTS: RT-qPCR and western blotting analyses of the limb muscles of target mice indicated that nearly all Stac3 mRNA and more than 70 % of STAC3 protein were deleted 4 weeks after tamoxifen injection...
April 11, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27893858/reversing-age-related-changes-of-the-laryngeal-muscles-by-chronic-electrostimulation-of-the-recurrent-laryngeal-nerve
#6
Michael Karbiener, Jonathan C Jarvis, Justin D Perkins, Hermann Lanmüller, Martin Schmoll, Hanna S Rode, Claus Gerstenberger, Markus Gugatschka
Age related atrophy of the laryngeal muscles -mainly the thyroarytenoid muscle (TAM)- leads to a glottal gap and consequently to a hoarse and dysphonic voice that significantly affects quality of life. The aim of our study was to reverse this atrophy by inducing muscular hypertrophy by unilateral functional electrical stimulation (FES) of the recurrent laryngeal nerve (RLN) in a large animal model using aged sheep (n = 5). Suitable stimulation parameters were determined by fatiguing experiments of the thyroarytenoid muscle in an acute trial...
2016: PloS One
https://www.readbyqxmd.com/read/27889602/toxicity-evaluation-and-initial-characterization-of-the-venom-of-a-colombian-latrodectus-sp
#7
Alexandra Rueda, Emilio Realpe, Alfredo Uribe
The genus Latrodectus has not been studied in Colombia even though it is medically important worldwide; there are three species for the country, this study focused on a non-identified species found in the Tatacoa Desert in the Huila Department. This research is the first approximation to the extraction, composition analysis and toxicity evaluation of the venom of a species of the genus Latrodectus in Colombia; and aims to evaluate the toxicity by the initial characterization of its venom. The venom extraction was accomplished with electrostimulation and total protein concentration was determined by the Lowry method and BCA assays from crude venom; with these methods, high protein concentration of the samples was measured...
January 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27876742/-on-the-problem-of-voice-rehabilitation-in-the-case-of-unilateral-vocal-fold-paresis
#8
V V Shilenkova
BACKGROUND: Unilateral vocal fold paresis (UVFP) significantly deteriorates the patient's quality of life. The leading role in the rehabilitation of the patients presenting with UVFP belongs to stimulation therapy which consists in the activation of muscle re-innervation of the larynx and the compensatory mechanisms allowing to achieve the most complete closure of the vocal folds during phonation. AIM: The objective of the present study was the optimization of the conservative treatment of patients with UVFP...
2016: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/27857035/recovery-of-long-term-paresis-following-resection-of-who-grade-ii-gliomas-infiltrating-the-pyramidal-pathway
#9
Juan Martino, Hugo Caballero, Enrique M DE Lucas, Rousinelle DA Silva-Freitas, Carlos Velasquez, Elsa Gomez, Javier Vazquez-Bourgon, Alfonso Vázquez-Barquero
Recent publications had reported high rates of preoperative neurological impairments in WHO grade II gliomas (GIIG) that significantly affect the quality of life. Consequently, one step further in the analysis of surgical outcome in GIIG is to evaluate if surgery is capable to improve preoperative deficits. Here are reported two cases of GIIG infiltrating the primary motor cortex and pyramidal pathway that had a long-term paresis before surgery. Both patients were operated with intraoperative electrical stimulation mapping, with identification and preservation of the primary motor cortex and pyramidal tract...
February 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27852706/efficacy-of-two-injection-site-localisation-techniques-for-botulinum-toxin-injections-a-single-blind-crossover-randomised-trial-protocol-among-adults-with-hemiplegia-due-to-stroke
#10
Claire Morel, Isabelle Hauret, Nicolas Andant, Armand Bonnin, Bruno Pereira, Emmanuel Coudeyre
INTRODUCTION: Botulinum toxin injections are an effective treatment for limb spasticity following stroke. Different tracking techniques are used for this purpose: palpation, electrostimulation, electromyography and ultrasound. Yet very few studies have compared these different techniques, and none has successfully proved the superior efficacy of ultrasound-guided injections compared to another tracking method. The primary objective of our study was therefore to compare the efficacy of botulinum toxin injections depending on the tracking technique used: ultrasound versus electrostimulation...
November 15, 2016: BMJ Open
https://www.readbyqxmd.com/read/27845663/demonstration-of-2-mm-thick-microcontrolled-injectable-stimulators-based-on-rectification-of-high-frequency-current-bursts
#11
Laura Becerra Fajardo, Marieluise Schmidbauer, Antoni Ivorra
Existing implantable stimulators use powering approaches that result in stiff and bulky systems or result in systems incapable of producing the current magnitudes required for neuromuscular stimulation. This hampers their use in neuroprostheses for paralysis. We previously demonstrated an electrical stimulation method based on electronic rectification of high frequency (HF) current bursts. The implants act as rectifiers of HF current that flows through the tissues by galvanic coupling, transforming this current into low frequency current capable of performing neuromuscular stimulation...
October 31, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27843073/off-target-effect-of-sildenafil-on-postsurgical-erectile-dysfunction-alternate-pathways-and-localized-delivery-system
#12
Amirali Salmasi, Geun Taek Lee, Neal Patel, Ritu Goyal, Michael Dinizo, Young Suk Kwon, Part K Modi, Izak Faiena, Hee-Jin Kim, Nara Lee, Johanna L Hannan, Joachim Kohn, Isaac Yi Kim
INTRODUCTION: There is no consensus on the best oral phosphodiesterase type 5 inhibitor (PDE5I) for patients undergoing penile rehabilitation after surgical nerve injury. AIM: To determine the mechanism of PDE5I on cultured neuronal cells and the effectiveness of local drug delivery using nanospheres (NSPs) to sites of nerve injury in a rat model of bilateral cavernous nerve injury (BCNI). METHODS: The effects of sildenafil, tadalafil, and vardenafil on cyclic adenosine monophosphate, cyclic guanosine monophosphate, and cell survival after exposure to hypoxia and H2O2 were measured in PC12, SH-SY5Y, and NTERA-2 (NT2) cell cultures...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27831886/demonstration-of-2-mm-thick-microcontrolled-injectable-stimulators-based-on-rectification-of-high-frequency-current-bursts
#13
Laura Becerra-Fajardo, Marieluise Schmidbauer, Antoni Ivorra
Existing implantable stimulators use powering approaches that result in stiff and bulky systems or result in systems incapable of producing the current magnitudes required for neuromuscular stimulation. This hampers their use in neuroprostheses for paralysis. We previously demonstrated an electrical stimulation method based on electronic rectification of high frequency (HF) current bursts. The implants act as rectifiers of HF current that flows through the tissues by galvanic coupling, transforming this current into low frequency current capable of performing neuromuscular stimulation...
October 31, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27793063/electrostimulation-training-effects-on-diurnal-fluctuations-of-neuromuscular-performance
#14
H Gueldich, N Zarrouk, H Chtourou, F Zghal, S Sahli, H Rebai
This study examined the effects of electrostimulation (ES) strength training at the same time-of-day on the diurnal fluctuations of maximal voluntary isometric contractions (MVIC) and surface electromyography (EMG). 20 male performed 3 MVICs of knee extension coupled with surface EMG before and after 5 weeks of 3 ES training sessions per week. Each ES training session consisted in 45 isometric contractions. The participants were randomly assigned to either a morning (MTG, 07:00-08:00 h) or an evening (ETG, 17:00-18:00 h) training group...
January 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27757354/the-lesser-palatine-nerve-innervates-the-levator-veli-palatini-muscle
#15
Hideaki Kishimoto, Yoshitaka Matsuura, Katsuya Kawai, Shigehito Yamada, Shigehiko Suzuki
When the lesser palatine nerve (LPN) is supposed to be a branch of the trigeminal nerve and innervate sensation of the soft palate, whether the LPN contains motor fibers is unclear. In this study, we monitored the electromyogram of the levator veli palatini (LVP) muscle on stimulating the LPN during palatoplasty in 3 patients. The electromyogram of the muscles showed the myogenic potential induced by electrostimulation of the LPN. Taken together with the finding from our previous anatomical study that the motor fibers come from the facial nerve, this result supports the double innervation theory of the LVP, which posits that both the pharyngeal plexus and the facial nerve innervate it...
September 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27756671/intraoperative-subcortical-electrical-mapping-of-the-optic-tract-in-awake-surgery-using-virtual-reality-headset
#16
Edouard Mazerand, Marc Le Renard, Sophie Hue, Jean-Michel Lemee, Evelyne Klinger, Philippe Menei
BACKGROUND: Brain mapping during awake craniotomy is a well-known technique to preserve neurological functions, especially the language. It is still challenging to map the optic radiations due to the difficulty to test the visual field intraoperatively. OBJECTIVE: To assess the visual field during awake craniotomy, we developed the Functions' Explorer based on a Virtual Reality Headset (FEX-VRH). METHODS: The impaired visual field of ten patients was tested with the gold standard exam (an automated perimetry), and the FEX-VRH...
October 15, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27756010/electrotonic-potentials-in-aloe-vera-l-effects-of-intercellular-and-external-electrodes-arrangement
#17
Alexander G Volkov, Eunice K Nyasani, Clayton Tuckett, Jessenia M Scott, Mariah M Z Jackson, Esther A Greeman, Ariane S Greenidge, Devin O Cohen, Maia I Volkova, Yuri B Shtessel
Electrostimulation of plants can induce plant movements, activation of ion channels, ion transport, gene expression, enzymatic systems activation, electrical signaling, plant-cell damage, enhanced wound healing, and influence plant growth. Here we found that electrical networks in plant tissues have electrical differentiators. The amplitude of electrical responses decreases along a leaf and increases by decreasing the distance between polarizing Pt-electrodes. Intercellular Ag/AgCl electrodes inserted in a leaf and extracellular Ag/AgCl electrodes attached to the leaf surface were used to detect the electrotonic potential propagation along a leaf of Aloe vera...
February 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/27753086/high-variability-of-facial-muscle-innervation-by-facial-nerve-branches-a-prospective-electrostimulation-study
#18
Ashraf Raslan, Gerd Fabian Volk, Martin Möller, Vincent Stark, Nikolas Eckhardt, Orlando Guntinas-Lichius
OBJECTIVES/HYPOTHESIS: To examine by intraoperative electric stimulation which peripheral facial nerve (FN) branches are functionally connected to which facial muscle functions. STUDY DESIGN: Single-center prospective clinical study. METHODS: Seven patients whose peripheral FN branching was exposed during parotidectomy under FN monitoring received a systematic electrostimulation of each branch starting with 0.1 mA and stepwise increase to 2 mA with a frequency of 3 Hz...
October 18, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27734816/-effects-of-electrostimulation-therapy-in-selected-cases-of-vocal-fold-paralysis
#19
Bożena Kosztyła-Hojna, Anna Kraszewska, Anna Łobaczuk-Sitnik, Diana Moskal, Dawid Falkowski, Jolanta Biszewska, Greta Berger
: Paralytic dysphonia is the most serious neurogenic pathology of voice quality. An important issue is to identify methods which support routine treatment. AIM: The aim of the study is to assess voice quality after electrostimulation (ES) therapy in patients with paralytic dysphonia. MATERIALS AND METHODS: The group consisted of 40 patients diagnosed at the Department of Clinical Phonoaudiology and Logopedics and then treated at the Phoniatric Outpatient Clinic of the Medical University of Bialystok, Poland in years 2013-2015...
July 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27683070/analysis-of-retinal-function-using-chromatic-pupillography-in-retinitis-pigmentosa-and-the-relationship-to-electrically-evoked-phosphene-thresholds
#20
Carina Kelbsch, Fumiatsu Maeda, Jolanta Lisowska, Lukasz Lisowski, Torsten Strasser, Krunoslav Stingl, Barbara Wilhelm, Helmut Wilhelm, Tobias Peters
PURPOSE: To analyse pupil responses to specific chromatic stimuli in patients with advanced retinitis pigmentosa (RP) to ascertain whether chromatic pupillography can be used as an objective marker for residual retinal function. To examine correlations between parameters of the pupil response and the perception threshold of electrically evoked phosphenes. METHODS: Chromatic pupillography was performed in 40 patients with advanced RP (visual acuity < 0.02 or visual field ≤5°, non-recordable ERGs) and 40 age-matched healthy subjects...
September 29, 2016: Acta Ophthalmologica
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