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High frequency spinal cord stimulation

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https://www.readbyqxmd.com/read/27891705/spinal-cord-stimulation-in-experimental-chronic-painful-diabetic-polyneuropathy-delayed-effect-of-high-frequency-stimulation
#1
M van Beek, M van Kleef, B Linderoth, S M J van Kuijk, W M Honig, E A Joosten
BACKGROUND: Spinal cord stimulation (SCS) has been shown to provide pain relief in painful diabetic polyneuropathy (PDPN). As the vasculature system plays a great role in the pathophysiology of PDPN, a potential beneficial side-effect of SCS is peripheral vasodilation, with high frequency (HF) SCS in particular. We hypothesize that HF-SCS (500 Hz), compared with conventional (CON) or low frequency (LF)-SCS will result in increased alleviation of mechanical hypersensitivity in chronic experimental PDPN...
November 28, 2016: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/27875377/spinal-cord-stimulation-for-refractory-angina-pectoris-a-systematic-review-and-meta-analysis
#2
Xiaoxiao Pan, Hongguang Bao, Yanna Si, Chenjie Xu, Hao Chen, Xianzhong Gao, Xinyi Xie, Yajie Xu, Fan Sun, Lingqing Zeng
OBJECTIVES: Parasthesia free stimulation, such as high frequency and burst have been demonstrated as effective therapies for neuropathic pain. The aim of this meta-analysis was to evaluate the efficacy and safety of conventional spinal cord stimulation (SCS) in the treatment of refractory angina pectoris (RAP). METHODS: Relevant randomized controlled trial (RCT) studies that investigated SCS for patients with RAP were comprehensively searched in Medline, Pubmed, Embase, and Cochrane Library...
November 21, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27856287/the-inhibition-of-spinal-synaptic-plasticity-mediated-by-activation-of-amp-activated-protein-kinase-signaling-alleviates-the-acute-pain-induced-by-oxaliplatin
#3
Yun-Zhi Ling, Zhen-Yu Li, Han-Dong Ou-Yang, Chao Ma, Shao-Ling Wu, Jia-You Wei, Huan-Huan Ding, Xiao-Long Zhang, Meng Liu, Cui-Cui Liu, Zhen-Zhen Huang, Wen-Jun Xin
Our recent findings demonstrated that oxaliplatin entering CNS may directly induce spinal central sensitization, and contribute to the rapid development of CNS-related side effects including acute pain during chemotherapy. However, the mechanism is largely unclear. In the current study, we found that the amplitude of C-fiber-evoked field potentials was significantly increased and the expression of phosphorylated mammalian AMP-activated protein kinase α (AMPKα) was markedly decreased following high frequency stimulation (HFS) or single intraperitoneal injection of oxaliplatin (4mg/kg)...
November 14, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27832210/gm-csf-producing-th-cells-in-rats-sensitive-and-resistant-to-experimental-autoimmune-encephalomyelitis
#4
Zorica Stojić-Vukanić, Ivan Pilipović, Ivana Vujnović, Mirjana Nacka-Aleksić, Raisa Petrović, Nevena Arsenović-Ranin, Mirjana Dimitrijević, Gordana Leposavić
Given that granulocyte macrophage colony-stimulating factor (GM-CSF) is identified as the key factor to endow auto-reactive Th cells with the potential to induce neuroinflammation in experimental autoimmune encephalomyelitis (EAE) models, the frequency and phenotype of GM-CSF-producing (GM-CSF+) Th cells in draining lymph nodes (dLNs) and spinal cord (SC) of Albino Oxford (AO) and Dark Agouti (DA) rats immunized for EAE were examined. The generation of neuroantigen-specific GM-CSF+ Th lymphocytes was impaired in dLNs of AO rats (relatively resistant to EAE induction) compared with their DA counterparts (susceptible to EAE) reflecting impaired CD4+ lymphocyte proliferation and less supportive of GM-CSF+ Th cell differentiation dLN cytokine microenvironment...
2016: PloS One
https://www.readbyqxmd.com/read/27770599/high-frequency-spinal-cord-stimulation-in-a-patient-with-an-implanted-cardiac-device
#5
Narayan R Kissoon, Bryan C Hoelzer, David P Martin, Tim J Lamer
BACKGROUND: New advances in spinal cord stimulation have led to improved treatment of patients suffering from chronic pain. While the overall safety of newer stimulation devices has been established, no published reports exist regarding safety considerations when these devices are implanted in patients with a preexisting cardiac device. CASE REPORT: An 83-year-old man with a history of out-of-hospital cardiac arrest secondary to an episode of ventricular fibrillation underwent automated implantable cardiac defibrillator placement...
October 22, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27721747/paired-associative-stimulation-with-high-frequency-peripheral-component-leads-to-enhancement-of-corticospinal-transmission-at-wide-range-of-interstimulus-intervals
#6
Anastasia Shulga, Aleksandra Zubareva, Pantelis Lioumis, Jyrki P Mäkelä
Background: In spinal paired associative stimulation (PAS), orthodromic and antidromic volleys elicited by transcranial magnetic stimulation (TMS) and peripheral nerve stimulation (PNS) coincide at corticomotoneuronal synapses at the spinal cord. The interstimulus interval (ISI) between TMS and PNS determines whether PAS leads to motor-evoked potential (MEP) potentiation or depression. PAS applied as a long-term treatment for neurological patients might alter conduction of neural fibers over time. Moreover, measurements of motoneuron conductance for determination of ISIs may be challenging in these patients...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27676804/management-of-neuropathic-central-pain-by-non-invasive-brain-stimulation-and-mirror-therapy
#7
Yann Le Déan, Benjamin Brissebrat, Evelyne Castel-Lacanal, Xavier De Boissezon, Philippe Marque
OBJECTIVE: Central neuropathic pain is common among neurological patients. Drug therapy has high pharmacoresistance and some GABAergic agents can be detrimental to the recovery process. Alternative therapies include neuromodulation techniques, such as repetitive transcranial magnetic stimulation (rTMS) and motor imagery techniques with mirror therapy. The objective of this study was to evaluate their effectiveness in clinical practice on central neuropathic pain. MATERIAL/PATIENTS AND METHODS: Thirty-two patients followed in the Physical Medicine and Rehabilitation department of Rangueil University Hospital were included...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27584814/comparison-of-10-khz-high-frequency-and-traditional-low-frequency-spinal-cord-stimulation-for-the-treatment-of-chronic-back-and-leg-pain-24-month-results-from-a-multicenter-randomized-controlled-pivotal-trial
#8
Leonardo Kapural, Cong Yu, Matthew W Doust, Bradford E Gliner, Ricardo Vallejo, B Todd Sitzman, Kasra Amirdelfan, Donna M Morgan, Thomas L Yearwood, Richard Bundschu, Thomas Yang, Ramsin Benyamin, Abram H Burgher
BACKGROUND: Pain relief with spinal cord stimulation (SCS) has focused historically on paresthesias overlapping chronically painful areas. A higher level evidence supports the use of SCS in treating leg pain than supports back pain, as it is difficult to achieve adequate paresthesia coverage, and then pain relief, in the low back region. In comparison, 10-kHz high-frequency (HF10) SCS therapy does not rely on intraoperative paresthesia mapping and remains paresthesia-free during therapy...
September 6, 2016: Neurosurgery
https://www.readbyqxmd.com/read/27512251/effect-of-high-frequency-repetitive-transcranial-magnetic-stimulation-on-motor-cortical-excitability-and-sensory-nerve-conduction-velocity-in-subacute-stage-incomplete-spinal-cord-injury-patients
#9
Hyun Gyu Cha, Sang-Goo Ji, Myoung-Kwon Kim
[Purpose] The aim of the present study was to determine whether repetitive transcranial magnetic stimulation can improve sensory recovery of the lower extremities in subacute-stage spinal cord injury patients. [Subjects and Methods] This study was conducted on 20 subjects with diagnosed paraplegia due to spinal cord injury. These 20 subjects were allocated to an experimental group of 10 subjects that underwent active repetitive transcranial magnetic stimulation or to a control group of 10 subjects that underwent sham repetitive transcranial magnetic stimulation...
July 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27476516/recent-advances-in-spinal-cord-stimulation-for-pain-treatment
#10
Ganesan Baranidharan, John Titterington
Traditional (40-50 Hz) spinal column stimulation is an efficacious and widely accepted treatment for chronic neuropathic pain conditions. However, there are major challenges including its ineffectiveness for axial back pain, the burden of paresthesia-related discomfort and difficulties producing indisputable research. Recently, there have been the major technological innovations of high-frequency and burst stimulation. Studies have shown these to provide improved analgesia even for axial pain without the problems associated with paresthesia...
November 2016: Pain Management
https://www.readbyqxmd.com/read/27455042/new-modalities-of-neurostimulation-high-frequency-and-dorsal-root-ganglion
#11
Lance A Roy, Rathnayaka Mudiyanselage Kalpanee D Gunasingha, Richard Rauck
PURPOSE OF REVIEW: Neurostimulation is a well tolerated, cost-efficient, and effective method to treat chronic pain. Although spinal cord stimulation (SCS) has been shown to help patients, newer modalities such as burst, kilohertz-frequency, and dorsal root ganglion stimulation may provide greater pain relief, fewer paresthesias, and better outcomes. RECENT FINDINGS: Burst stimulation, programed as five-impulse burst at a frequency of 500 Hz, delivers more charge per second than conventional stimulation...
October 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27445503/a-review-of-spinal-cord-stimulation-systems-for-chronic-pain
#12
REVIEW
Paul Verrills, Chantelle Sinclair, Adele Barnard
Spinal cord stimulation (SCS) applications and technologies are fast advancing. New SCS technologies are being used increasingly in the clinical environment, but often there is a lag period between the clinical application and the publishing of high-quality evidence on safety and efficacy. Recent developments will undoubtedly expand the applicability of SCS, allowing more effective and individualized treatment for patients, and may have the potential to salvage patients who have previously failed neuromodulation...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27443310/high-frequency-spinal-cord-stimulation-for-chronic-pain-pre-clinical-overview-and-systematic-review-of-controlled-trials
#13
Mark C Bicket, Roger Y Dunn, Shihab U Ahmed
OBJECTIVE: To assess the evidence base for high-frequency spinal cord stimulation (HFSCS). HFSCS has the potential to provide paresthesia-free pain relief for patients with chronic pain, in contrast to conventional spinal cord stimulation, which produces distracting and potentially unpleasant paresthesias. DESIGN: A systematic review following standard methodological guidelines (Prospero #CRD42015029215). METHODS: We searched PubMed to March 14, 2016 without language restriction and hand-checked reference lists...
July 21, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27424529/goji-fruit-lycium-barbarum-protects-sciatic-nerve-function-against-crush-injury-in-a-model-of-diabetic-stress
#14
K V Simonyan, L G Avetisyan, V A Chavushyan
Excess fructose consumption causes changes in functioning of the central and peripheral nervous systems, which increase the vulnerability of peripheral nerves to traumatic injury. The aim of this study was to evaluate the electrophysiological parameters of responses of motoneurons of the spinal cord at high-frequency stimulation of the distal part of the injured sciatic nerve in a model of diabetic stress under action of Lycium barbarum (LB). Male albino rats were given with drinking water with 50% concentration of dietary fructose for 6 weeks...
September 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27401459/long-term-spinal-cord-stimulation-modifies-canine-intrinsic-cardiac-neuronal-properties-and-ganglionic-transmission-during-high-frequency-repetitive-activation
#15
Frank M Smith, Michel Vermeulen, René Cardinal
Long-term spinal cord stimulation (SCS) applied to cranial thoracic SC segments exerts antiarrhythmic and cardioprotective actions in the canine heart in situ. We hypothesized that remodeling of intrinsic cardiac neuronal and synaptic properties occur in canines subjected to long-term SCS, specifically that synaptic efficacy may be preferentially facilitated at high presynaptic nerve stimulation frequencies. Animals subjected to continuous SCS for 5-8 weeks (long-term SCS: n = 17) or for 1 h (acute SCS: n = 4) were compared with corresponding control animals (long-term: n = 15, acute: n = 4)...
July 2016: Physiological Reports
https://www.readbyqxmd.com/read/27395446/high-frequency-spinal-cord-stimulation-new-method-to-restore-cough
#16
K E Kowalski, J R Romaniuk, S Brose, M A Richmond, T Kowalski, A F DiMarco
Spinal cord stimulation (SCS, 50Hz) is a useful method to restore an effective cough in persons with spinal cord injury (SCI). However, high stimulus amplitudes and potential activation of pain fibers, significantly limits this application. It is our hypothesis that high frequency SCS (HF-SCS), with low stimulus amplitudes may provide the same level of expiratory muscle activation. In 6 dogs, the effects of SCS, with varying stimulus parameters on positive pressure (P) generation was evaluated. At any given level of stimulus current, mean P was largest at 500Hz, compared to all other stimulus frequencies...
October 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27393015/safety-and-efficacy-of-cervical-10%C3%A2-khz-spinal-cord-stimulation-in-chronic-refractory-primary-headaches-a-retrospective-case-series
#17
Giorgio Lambru, Michele Trimboli, Stefano Palmisani, Thomas Smith, Adnan Al-Kaisy
BACKGROUND: Paresthesia-free cervical 10 kHz spinal cord stimulation (HF10 SCS) may constitute a novel treatment modality for headache disorders, when pharmacological approaches fail. We report the results of a retrospective analysis assessing the long-term safety, tolerability and efficacy of HF10 SCS in a group of patients with chronic refractory primary headache disorders. FINDINGS: Four patients with chronic migraine (CM), two with chronic SUNA (Short-lasting Unilateral Neuralgiform headache attacks with Autonomic symptoms) and one with chronic cluster headache (CCH) refractory to medical treatments, were implanted with cervical HF10 SCS...
December 2016: Journal of Headache and Pain
https://www.readbyqxmd.com/read/27381425/neuromodulation-of-the-neural-circuits-controlling-the-lower-urinary-tract
#18
Parag N Gad, Roland R Roy, Hui Zhong, Yury P Gerasimenko, Giuliano Taccola, V Reggie Edgerton
The inability to control timely bladder emptying is one of the most serious challenges among the many functional deficits that occur after a spinal cord injury. We previously demonstrated that electrodes placed epidurally on the dorsum of the spinal cord can be used in animals and humans to recover postural and locomotor function after complete paralysis and can be used to enable voiding in spinal rats. In the present study, we examined the neuromodulation of lower urinary tract function associated with acute epidural spinal cord stimulation, locomotion, and peripheral nerve stimulation in adult rats...
July 2, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27377488/acupuncture-for-detoxification-in-treatment-of-opioid-addiction
#19
S Ly Wu, A Wn Leung, D Tw Yew
Opioid is a popular drug of abuse and addiction. We evaluated acupuncture as a non-pharmacological treatment with a focus on managing withdrawal symptoms. Electrical stimulation at a low frequency (2 Hz) accelerates endorphin and encephalin production. High-frequency stimulation (100 Hz) up-regulates the dynorphin level that in turn suppresses withdrawal at the spinal level. The effect of 100-Hz electroacupuncture may be associated with brain-derived neurotrophic factor activation at the ventral tegmental area, down-regulation of cAMP response element-binding protein, and enhanced dynorphin synthesis in the spinal cord, periaqueductal grey, and hypothalamus...
June 2016: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/27373204/subthalamic-deep-brain-stimulation-alters-neuronal-firing-in-canonical-pain-nuclei-in-a-6-hydroxydopamine-lesioned-rat-model-of-parkinson-s-disease
#20
Lucy E Gee, Ian Walling, Adolfo Ramirez-Zamora, Damian S Shin, Julie G Pilitsis
INTRODUCTION: Chronic pain is one of the most common non-motor symptoms of Parkinson's disease (PD) affecting up to 85% of patients. Previous studies have established that reduced mechanical and thermal thresholds occur in both idiopathic PD patients and animal models of PD, suggesting that changes may occur in sensory processing circuits. Improvements in sensory thresholds are achieved using subthalamic nucleus (STN) deep brain stimulation (DBS), however the mechanism by which this occurs remains unresolved...
September 2016: Experimental Neurology
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