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Burst spinal cord stimulation.

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https://www.readbyqxmd.com/read/29314454/neurophysiological-comparison-among-tonic-high-frequency-and-burst-spinal-cord-stimulation-novel-insights-into-spinal-and-brain-mechanisms-of-action
#1
Tommaso Bocci, Giuliano De Carolis, Mery Paroli, Davide Barloscio, Laura Parenti, Lara Tollapi, Massimiliano Valeriani, Ferdinando Sartucci
RATIONALE: Spinal cord stimulation (SCS) is an effective option for neuropathic pain treatment. New technological developments, as high-frequency (HF) and theta burst stimulation (TBS), have shown promising results, although putative mechanisms of action still remain debated. METHODS: thirty patients with lower back pain were enrolled and underwent LF, HF, and TBS. Laser evoked potentials (LEPs) were recorded by using a Nd:YAG laser. Amplitudes and latencies of the main two components (N1, N2/P2) were compared among different experimental sessions...
January 4, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29249191/burst-and-high-frequency-stimulation-underlying-mechanism-of-action
#2
Shaheen Ahmed, Thomas Yearwood, Dirk De Ridder, Sven Vanneste
Paresthesia-free spinal cord stimulation (SCS) techniques, such as burst and high-frequency (HF) SCS, have been developed and demonstrated to be successful for treating chronic pain, albeit via different mechanisms of action. The goal of this review is to discuss the mechanisms of action for pain suppression at both the cellular and systems levels for burst and HF SCS. In addition, we also discuss the neuromodulation devices that mimic these paradigms. Areas covered: The authors performed a literature review to unravel the mechanisms of action for burst and HF SCS coupled with booklets and user manuals from neuromodulation companies to understand the programmable parameters and operating ranges...
January 2018: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/29225569/elimination-of-left-right-reciprocal-coupling-in-the-adult-lamprey-spinal-cord-abolishes-the-generation-of-locomotor-activity
#3
J A Messina, Alison St Paul, Sarah Hargis, Wengora E Thompson, Andrew D McClellan
The contribution of left-right reciprocal coupling between spinal locomotor networks to the generation of locomotor activity was tested in adult lampreys. Muscle recordings were made from normal animals as well as from experimental animals with rostral midline (ML) spinal lesions (~13%→35% body length, BL), before and after spinal transections (T) at 35% BL. Importantly, in the present study actual locomotor movements and muscle burst activity, as well as other motor activity, were initiated in whole animals by descending brain-spinal pathways in response to sensory stimulation of the anterior head...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/29210719/neuromodulatory-burst-therapy-for-agent-orange-induced-peripheral-neuropathy-a-case-report
#4
Roxanna Rasekhi, Danielle Babb, Chane Price
The prevalence of neuromuscular diseases and peripheral neuropathies in veterans exposed to Agent Orange (AO) is particularly high. Pharmacologic management has not been effective for these patients. Burst therapy spinal cord stimulation (SCS), recently approved for use in the United States, has had demonstrable success in both Europe and Australia. We present a patient with AO-induced peripheral neuropathy who was successfully treated with burst SCS. To our knowledge, this is the first report describing the use of burst SCS for treatment of peripheral neuropathy related to AO exposure...
November 27, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29178358/conventional-scs-vs-burst-scs-and-the-behavioral-effect-on-mechanical-hypersensitivity-in-a-rat-model-of-chronic-neuropathic-pain-effect-of-amplitude
#5
Koen P V Meuwissen, Jianwen Wendy Gu, Tianhe C Zhang, Elbert A J Joosten
OBJECTIVE: Various spinal cord stimulation (SCS) modes are used in the treatment of chronic neuropathic pain disorders. Conventional (Con) and Burst-SCS are hypothesized to exert analgesic effects through different stimulation-induced mechanisms. Preclinical electrophysiological findings suggest that stimulation intensity is correlated with the effectiveness of Burst-SCS. Therefore, we aimed to investigate the relation between amplitude (charge per second) and behavioral effects in a rat model of chronic neuropathic pain, for both Conventional Spinal Cord Stimulation (Con-SCS) and biphasic Burst-SCS...
November 27, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29064604/changes-of-metabolic-disorders-associated-peripheral-cytokine-adipokine-traffic-in-non-obese-chronic-back-patients-responsive-to-burst-spinal-cord-stimulation
#6
Sajjad Muhammad, Shafqat R Chaudhry, Thomas L Yearwood, Joachim K Krauss, Thomas M Kinfe
OBJECTIVES: In our previous study, anti-inflammatory IL-10 serum levels were significantly elevated after burst spinal cord stimulation (SCS) in back pain patients and correlated with pain intensity. This current study extended cytokine analysis including metabolic-associated adipokine/cytokine serum assessment in chronic back pain patients with co-existing metabolic disorders such as diabetes, hypertension, and cardiovascular diseases. METHODS: At baseline and after three months of burst SCS treatment, leptin (LP), adiponectin (AN), and ghrelin (GH) were recorded in non-/pre-obese chronic back pain patients with co-existing metabolic disorders and compared to age-/gender-matched healthy controls (HC)...
October 24, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29045834/a-latent-propriospinal-network-can-restore-diaphragm-function-after-high-cervical-spinal-cord-injury
#7
Jared M Cregg, Kevin A Chu, Lydia E Hager, Rachel S J Maggard, Daimen R Stoltz, Michaela Edmond, Warren J Alilain, Polyxeni Philippidou, Lynn T Landmesser, Jerry Silver
Spinal cord injury (SCI) above cervical level 4 disrupts descending axons from the medulla that innervate phrenic motor neurons, causing permanent paralysis of the diaphragm. Using an ex vivo preparation in neonatal mice, we have identified an excitatory spinal network that can direct phrenic motor bursting in the absence of medullary input. After complete cervical SCI, blockade of fast inhibitory synaptic transmission caused spontaneous, bilaterally coordinated phrenic bursting. Here, spinal cord glutamatergic neurons were both sufficient and necessary for the induction of phrenic bursts...
October 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/29026048/spinal-cord-stimulation-for-chronic-non-cancer-pain-a-review-of-current-evidence-and-practice
#8
S Sc Wong, C W Chan, C W Cheung
Spinal cord stimulation provides analgesia through electrical stimulation of the dorsal column of the spinal cord via electrode leads placed into the epidural space. In traditional tonic stimulation, a painful sensation is replaced with paraesthesia. Spinal cord stimulation is effective in reducing neuropathic pain, enhancing function, and improving quality of life in different chronic pain conditions. Currently, there is most evidence to support its use for failed back surgery syndrome when multidisciplinary conventional management is unsuccessful...
October 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28963128/hind-limb-motoneurons-activity-during-fictive-locomotion-or-scratching-induced-by-pinna-stimulation-serotonin-or-glutamic-acid-in-brain-cortex-ablated-cats
#9
Sergio H Duenas-Jimenez, Luis Castillo Hernandez, Braniff de la Torre Valdovinos, Gerardo Mendizabal Ruiz, Judith M Duenas Jimenez, Viviana Ramirez Abundis, Irene Guadalupe Aguilar Garcia
In brain cortex-ablated cats (BCAC), hind limb motoneurons activity patterns were studied during fictive locomotion (FL) or fictive scratching (FS) induced by pinna stimulation. In order to study motoneurons excitability: heteronymous monosynaptic reflex (HeMR), intracellular recording, and individual Ia afferent fiber antidromic activity (AA) were analyzed. The intraspinal cord microinjections of serotonin or glutamic acid effects were made to study their influence in FL or FS During FS, HeMR amplitude in extensor and bifunctional motoneurons increased prior to or during the respective electroneurogram (ENG)...
September 2017: Physiological Reports
https://www.readbyqxmd.com/read/28961366/success-using-neuromodulation-with-burst-sunburst-study-results-from-a-prospective-randomized-controlled-trial-using-a-novel-burst-waveform
#10
Timothy Deer, Konstantin V Slavin, Kasra Amirdelfan, Richard B North, Allen W Burton, Thomas L Yearwood, Ed Tavel, Peter Staats, Steven Falowski, Jason Pope, Rafael Justiz, Alain Y Fabi, Alexander Taghva, Richard Paicius, Timothy Houden, Derron Wilson
OBJECTIVE: The purpose of the multicenter, randomized, unblinded, crossover success using neuromodulation with BURST (SUNBURST) study was to determine the safety and efficacy of a device delivering both traditional tonic stimulation and burst stimulation to patients with chronic pain of the trunk and/or limbs. METHODS: Following a successful tonic trial, 100 subjects were randomized to receive one stimulation mode for the first 12 weeks, and then the other stimulation mode for the next 12 weeks...
September 29, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28938297/new-advancements-in-spinal-cord-stimulation-for-chronic-pain-management
#11
Jijun Xu, Aijun Liu, Jianguo Cheng
PURPOSE OF REVIEW: To update the recent development of spinal cord stimulation (SCS) technology in the management of chronic pain. RECENT FINDINGS: Efficacy of SCS therapy has been significantly improved by the recent development of high frequency (HF-10 kHz) stimulation, burst stimulation, and dorsal root ganglion (DRG) stimulation. A few latest SCS modalities are in clinical trial. New approaches to guide lead placement and advances in surgical lead are introduced...
December 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28808583/successful-spinal-cord-stimulation-for-neuropathic-below-level-spinal-cord-injury-pain-following-complete-paraplegia-a-case-report
#12
Tim A Reck, Gunther Landmann
INTRODUCTION: Neuropathic pain is common in patients with spinal cord injury (SCI) and often difficult to treat. We report a case where epidural spinal cord stimulation (SCS) below the level of injury has been successfully applied in a patient with a complete spinal cord lesion. CASE PRESENTATION: A 53-year-old female presented with neuropathic below-level SCI pain of both lower legs and feet due to complete SCI below T5. Time and pain duration since injury was 2 years...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28803750/motor-cortex-and-spinal-cord-neuromodulation-promote-corticospinal-tract-axonal-outgrowth-and-motor-recovery-after-cervical-contusion-spinal-cord-injury
#13
N Zareen, M Shinozaki, D Ryan, H Alexander, A Amer, D Q Truong, N Khadka, A Sarkar, S Naeem, M Bikson, J H Martin
Cervical injuries are the most common form of SCI. In this study, we used a neuromodulatory approach to promote skilled movement recovery and repair of the corticospinal tract (CST) after a moderately severe C4 midline contusion in adult rats. We used bilateral epidural intermittent theta burst (iTBS) electrical stimulation of motor cortex to promote CST axonal sprouting and cathodal trans-spinal direct current stimulation (tsDCS) to enhance spinal cord activation to motor cortex stimulation after injury. We used Finite Element Method (FEM) modeling to direct tsDCS to the cervical enlargement...
November 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28762503/mechanomyography-based-wearable-monitor-of-quasi-isometric-muscle-fatigue-for-motor-neural-prostheses
#14
Eddy Krueger, Lana Popović-Maneski, Percy Nohama
A motor neural prosthesis based on surface functional electrical stimulation (sFES) can restore functional movement (e.g., standing, walking) in patients with a spinal cord injury (SCI). sFES generates muscle contractions in antigravity muscles and allows balance-assisted standing. This induced standing has several benefits, such as improved cardiovascular function, decreased incidence of urinary infections, reduced joint contractures, and muscle atrophy. The duration of sFES assisted standing is limited due to the quick onset of muscle fatigue...
August 1, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28748217/mechanisms-and-applications-of-the-anti-inflammatory-effects-of-photobiomodulation
#15
Michael R Hamblin
Photobiomodulation (PBM) also known as low-level level laser therapy is the use of red and near-infrared light to stimulate healing, relieve pain, and reduce inflammation. The primary chromophores have been identified as cytochrome c oxidase in mitochondria, and calcium ion channels (possibly mediated by light absorption by opsins). Secondary effects of photon absorption include increases in ATP, a brief burst of reactive oxygen species, an increase in nitric oxide, and modulation of calcium levels. Tertiary effects include activation of a wide range of transcription factors leading to improved cell survival, increased proliferation and migration, and new protein synthesis...
2017: AIMS Biophysics
https://www.readbyqxmd.com/read/28662588/utilization-of-multiple-spinal-cord-stimulation-scs-waveforms-in-chronic-pain-patients
#16
Anthony P Berg, Nitzan Mekel-Bobrov, Edward Goldberg, Dat Huynh, Roshini Jain
BACKGROUND: Advances in spinal cord stimulation (SCS) have improved patient outcomes, leading to its increased utilization for chronic pain. Chronic pain is dynamic showing exacerbations, variable severity, and evolving pain patterns. Given this complexity, SCS systems that provide a broad range of stimulation waveforms may be valuable. METHODS: The aim of this research was to characterize the usage pattern of stimulation waveforms and field shapes in chronic pain patients implanted with the Spectra System...
August 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28615341/high-frequency-epidural-stimulation-across-the-respiratory-cycle-evokes-phrenic-short-term-potentiation-after-incomplete-cervical-spinal-cord-injury
#17
Elisa J Gonzalez-Rothi, Kristi A Streeter, Marie H Hanna, Anna C Stamas, Paul J Reier, David M Baekey, David D Fuller
C2 spinal hemilesion (C2Hx) paralyzes the ipsilateral diaphragm, but recovery is possible through activation of "crossed spinal" synaptic inputs to ipsilateral phrenic motoneurons. We tested the hypothesis that high-frequency epidural stimulation (HF-ES) would potentiate ipsilateral phrenic output after subacute and chronic C2Hx. HF-ES (300 Hz) was applied to the ventrolateral C4 or T2 spinal cord ipsilateral to C2Hx in anesthetized and mechanically ventilated adult rats. Stimulus duration was 60 s, and currents ranged from 100 to 1,000 µA...
October 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28598858/effects-of-intermittent-theta-burst-stimulation-on-spasticity-after-spinal-cord-injury
#18
Raffaele Nardone, Patrick B Langthaler, Andrea Orioli, Peter Höller, Yvonne Höller, Vanessa N Frey, Francesco Brigo, Eugen Trinka
PURPOSE: Spasticity is a common disorder in patients with spinal cord injury (SCI). The aim of this study was to investigate whether intermittent theta burst stimulation (iTBS), a safe, non-invasive and well-tolerated protocol of excitatory repetitive transcranial magnetic stimulation (rTMS), is effective in modulating spasticity in SCI patients. METHODS: In this randomized, double-blind, crossover, sham-controlled study, ten subjects with incomplete cervical or thoracic SCI received 10 days of daily sessions of real or sham iTBS...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28568898/conventional-and-novel-spinal-stimulation-algorithms-hypothetical-mechanisms-of-action-and-comments-on-outcomes
#19
REVIEW
Bengt Linderoth, Robert D Foreman
OBJECTIVE: Spinal cord stimulation (SCS) emerged as a direct clinical spin-off from the Gate Control Theory from 1965. Over the last decade, several new modes of SCS have appeared. This review discusses these novel techniques and their hypothetical mechanisms of action. MATERIAL AND METHODS: A recent literature search on SCS coupled with the most recent data from poster presentations and congress lectures have been used to illustrate new hypothetical ways of modulating pain...
August 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28544432/are-10-khz-stimulation-and-burst-stimulation-fundamentally-the-same
#20
REVIEW
Dirk De Ridder, Sanjaya Perera, Sven Vanneste
BACKGROUND: Spinal cord stimulation (SCS) is routinely used for intractable pain syndromes. For SCS to be efficacious the painful area needs to be covered by SCS induced paresthesia symptoms. Recently, novel stimulation designs have been developed for spinal cord stimulation (SCS) that are superior to classical spinal cord stimulation and exert their effects without the mandatory paresthesia. Two such stimulation designs are burst stimulation and 10 kHz stimulation. OBJECTIVE: Whereas the mechanism of action of burst SCS has been partly elucidated, in that it modulates the medial pain pathway in contrast to tonic stimulation, the mechanism of action of 10 kHz SCS is still enigmatic...
October 2017: Neuromodulation: Journal of the International Neuromodulation Society
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