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Epidural stimulation

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https://www.readbyqxmd.com/read/28319551/a-contemporary-medicolegal-analysis-of-implanted-devices-for-chronic-pain-management
#1
Christopher R Abrecht, Penny Greenberg, Ellen Song, Richard D Urman, James P Rathmell
BACKGROUND: Analysis of closed malpractice claims allows the study of rare but serious complications and likely results in improved patient safety by raising awareness of such complications. Clinical studies and closed claims analyses have previously reported on the common complications associated with intrathecal drug delivery systems (IDDS) and spinal cord stimulators (SCS). This study provides a contemporary analysis of claims from within the past 10 years. METHODS: We performed a closed claims analysis for a period January 1, 2009 to December 31, 2013 for cases with pain medicine as the primary service...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28286722/acute-neuropathic-orchalgia-and-scrotalgia-after-percutaneous-spinal-cord-stimulator-lead-placement-two-cases-with-an-unusual-complication
#2
Meng Huang, Virendra R Desai, David Ho, Richard K Simpson
Spinal cord stimulation is an effective adjunct to the treatment of a variety of chronic pain syndromes. Complications are relatively low in morbidity and are most often secondary to hardware malfunction/malposition. Infection and undesired dysesthesias represent only a minority of complications. Neuropathic orchalgia and scrotalgia after placement of epidural spinal cord stimulator is a previously unreported morbidity. While alarming, this condition is physiologically benign, causing no neurological or urological dysfunction...
January 30, 2017: Curēus
https://www.readbyqxmd.com/read/28274815/electroacupuncture-improves-gait-locomotion-h-reflex-and-ventral-root-potentials-of-spinal-compression-injured-rats
#3
Carlos Escobar-Corona, Sergio Torres-Castillo, Erika Elizabeth Rodríguez-Torres, Bertha Segura-Alegría, Ismael Jiménez-Estrada, Salvador Quiroz-González
This study explored the effect of electroacupuncture stimulation (EA) on alterations in the Hoffman reflex (H-reflex) response and gait locomotion provoked by spinal cord injury (SCI) in the rat. A compression lesion of the spinal cord was evoked by insufflating a Fogarty balloon located in the epidural space at the T8-9 spinal level of adult Wistar male rats (200-250 gr; n=60). In different groups of SCI rats, EA (frequencies: 2, 50 and 100Hz) was applied simultaneously to Huantiao (GB30), Yinmen (BL37), Jizhong (GV6) and Zhiyang (GV9) acupoints from the third post-injury day until the experimental session...
March 6, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28268678/novel-fractal-planar-electrode-design-for-efficient-neural-stimulation
#4
Xuefeng Wei, Mehdi Benmassaoud, Miriam Meller, Sindhuja Kuchibhatla
Planar electrodes are used in epidural spinal cord stimulation and cortical stimulation. Stimulation efficiency of an electrode is characterized by its ability to activate a volume of neural tissue with lower voltage and power requirements. As current density tends to increase towards the sharp edges of an electrode, we hypothesize that electrode designs involving a greater amount of sharp edges will have higher variations of current density, and therefore increase stimulation efficiency, compared to electrodes with flat or rounded edges...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28248888/comparison-between-bipolar-pulsed-radiofrequency-and-monopolar-pulsed-radiofrequency-in-chronic-lumbosacral-radicular-pain-a-randomized-controlled-trial
#5
Min Cheol Chang, Yun Woo Cho, Sang Ho Ahn
BACKGROUND: Chronic lumbosacral radicular pain is a challenging medical problem with respect to therapeutic management. Many patients with lumbosacral radicular pain complain of persistent leg pain after transforaminal epidural steroid injection. Nowadays, pulsed radiofrequency (PRF) stimulation on the dorsal root ganglion (DRG) is widely used for controlling lumbosacral radicular pain. METHODS: We evaluated the effect of bipolar PRF on the DRG for the management of lumbosacral radicular pain...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28226862/novel-fractal-planar-electrode-design-for-efficient-neural-stimulation
#6
Xuefeng Wei, Mehdi Benmassaoud, Miriam Meller, Sindhuja Kuchibhatla, Xuefeng Wei, Mehdi Benmassaoud, Miriam Meller, Sindhuja Kuchibhatla, Mehdi Benmassaoud, Sindhuja Kuchibhatla, Miriam Meller, Xuefeng Wei
Planar electrodes are used in epidural spinal cord stimulation and cortical stimulation. Stimulation efficiency of an electrode is characterized by its ability to activate a volume of neural tissue with lower voltage and power requirements. As current density tends to increase towards the sharp edges of an electrode, we hypothesize that electrode designs involving a greater amount of sharp edges will have higher variations of current density, and therefore increase stimulation efficiency, compared to electrodes with flat or rounded edges...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28215814/what-is-the-evidence-the-issue-of-verifying-correct-needle-position-during-epidural-anaesthesia-in-dogs
#7
REVIEW
Chiara Adami, Karine Gendron
OBJECTIVES: To review the methods for verifying the needle position while performing epidural anaesthesia in dogs, and to discuss the advantages, disadvantages, usefulness and reliability of each technique in the experimental and clinical research setting. DATABASES USED: PubMed, Scopus, Google Scholar and the Basel University Library online catalogues; the latter, which was provided by the University of Berne, were used as databases. The results were filtered manually based on the titles and abstracts in order to narrow the field...
January 9, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28208978/a-randomized-controlled-study-of-0-5-bupivacaine-0-5-ropivacaine-and-0-75-ropivacaine-for-supraclavicular-brachial-plexus-block
#8
Ranjan R Venkatesh, Prabhat Kumar, Ramachandran R Trissur, Sagiev Koshy George
INTRODUCTION: For any surgery in the upper extremity that does not involve the shoulder, a supraclavicular block is preferred, as it is a safe procedure associated with rapid onset and reliable anaesthesia. Although ropivacaine has been extensively studied for epidural anaesthesia, very few reports exist on its use in supraclavicular brachial plexus block. AIM: This study was conducted to investigate and compare the effectiveness of supraclavicular brachial plexus anaesthesia with two different concentrations of ropivacaine (0...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207450/response-to-response-patterns-to-the-electric-stimulation-of-epidural-catheters-in-pregnant-women-a-randomized-controlled-trial-of-uniport-versus-multiport-catheters
#9
Ellis Muggleton, Tuelin Muggleton
No abstract text is available yet for this article.
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28192079/electrical-neuromodulation-of-the-cervical-spinal-cord-facilitates-forelimb-skilled-function-recovery-in-spinal-cord-injured-rats
#10
Monzurul Alam, Guillermo Garcia-Alias, Benita Jin, Jonathan Keyes, Hui Zhong, Roland R Roy, Yury Gerasimenko, Daniel C Lu, V Reggie Edgerton
Enabling motor control by epidural electrical stimulation of the spinal cord is a promising therapeutic technique for the recovery of motor function after a spinal cord injury (SCI). Although epidural electrical stimulation has resulted in improvement in hindlimb motor function, it is unknown whether it has any therapeutic benefit for improving forelimb fine motor function after a cervical SCI. We tested whether trains of pulses delivered at spinal cord segments C6 and C8 would facilitate the recovery of forelimb fine motor control after a cervical SCI in rats...
February 10, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28182130/therapeutic-effect-of-epidural-hyaluronic-acid-in-a-rat-model-of-foraminal-stenosis
#11
Francis Sahngun Nahm, Pyung Bok Lee, Ghee Young Choe, Young Jin Lim, Yong Chul Kim
PURPOSE: Since receiving a warning from the US Food and Drug Administration (FDA) about injection of corticosteroids into the epidural space having serious adverse events, we have sought alternative medications for injection at this site. Hyaluronic acid (HA) has anti-adhesive, anti-inflammatory, and lubricating properties, so could potentially be useful for spinal pain. The exact mechanism by which spinal stenosis develops is not fully understood, but is likely to involve inflammation...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28165427/developing-and-evaluating-a-flexible-wireless-microcoil-array-based-integrated-interface-for-epidural-cortical-stimulation
#12
Xing Wang, Sharjeel A Chaudhry, Wensheng Hou, Xiaofeng Jia
Stroke leads to serious long-term disability. Electrical epidural cortical stimulation has made significant improvements in stroke rehabilitation therapy. We developed a preliminary wireless implantable passive interface, which consists of a stimulating surface electrode, receiving coil, and single flexible passive demodulated circuit printed by flexible printed circuit (FPC) technique and output pulse voltage stimulus by inductively coupling an external circuit. The wireless implantable board was implanted in cats' unilateral epidural space for electrical stimulation of the primary visual cortex (V1) while the evoked responses were recorded on the contralateral V1 using a needle electrode...
February 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28159637/transcranial-magnetic-stimulation-tms-responses-elicited-in-hindlimb-muscles-as-an-assessment-of-synaptic-plasticity-in-spino-muscular-circuitry-after-chronic-spinal-cord-injury
#13
Hayk A Petrosyan, Valentina Alessi, Sue A Sisto, Mark Kaufman, Victor L Arvanian
Electromagnetic stimulation applied at the cranial level, i.e. transcranial magnetic stimulation (TMS), is a technique for stimulation and neuromodulation used for diagnostic and therapeutic applications in clinical and research settings. Although recordings of TMS elicited motor-evoked potentials (MEP) are an essential diagnostic tool for spinal cord injured (SCI) patients, they are reliably recorded from arm, and not leg muscles. Mid-thoracic contusion is a common SCI that results in locomotor impairments predominantly in legs...
March 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28120050/spinal-cord-stimulation-for-vegetative-state-and-minimally-conscious-state-changes-in-consciousness-level-and-motor-function
#14
Takamitsu Yamamoto, Mitsuru Watanabe, Toshiki Obuchi, Kazutaka Kobayashi, Hideki Oshima, Chikashi Fukaya, Atsuo Yoshino
Twenty-one vegetative state (VS) patients and 10 minimally conscious state (MCS) patients were treated by spinal cord stimulation (SCS) following an electrophysiological evaluation 3 months or more after the onset of brain injury.A flexible four-contact cylindrical electrode was inserted into the epidural space of the cervical vertebrae, and placed at cervical levels C2-C4. Five-hertz stimulation was applied for 5 min every 30 min during the daytime at an intensity that produced muscle twitches of the upper extremities...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28113186/epidural-spinal-stimulation-to-improve-bladder-bowel-and-sexual-function-in-individuals-with-spinal-cord-injuries-a-framework-for-clinical-research
#15
Roderic I Pettigrew, William J Heetderks, Christine A Kelley, Grace C Y Peng, Steven H Krosnick, Lyn B Jakeman, Katharine D Egan, Michael Marge
While some recent studies that apply epidural spinal cord stimulation (SCS) have demonstrated a breakthrough in improvement of the health and quality of the life of persons with spinal cord injury (SCI), the numbers of people who have received SCS are small. This is in sharp contrast to the thousands of persons worldwide living with SCI who have no practical recourse or hope of recovery of lost functions. Thus, the vision is to understand the full potential of this new intervention and to determine if it is safe and effective in a larger cohort, and if it is scalable so that it can be made available to all those who might benefit...
February 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28102925/the-effect-of-motor-cortex-stimulation-on-central-poststroke-pain-in-a-series-of-16-patients-with-a-mean-follow-up-of-28-months
#16
Xiaolei Zhang, Yongsheng Hu, Wei Tao, Hongwei Zhu, Dongsheng Xiao, Yongjie Li
OBJECTIVE: To investigate the effect of motor cortex stimulation (MCS) on central poststroke pain (CPSP) and the outcome predictors associated with medium- to long-term results. MATERIALS AND METHODS: This is a retrospective review of 16 CPSP patients treated with MCS with a mean follow-up of 28.2 months. The pain intensity was assessed based on the visual analogue scale (VAS) before surgery and at various follow-up visits. An effective outcome was determined to be at least 40% pain relief...
January 19, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28097065/upregulation-of-noxa-by-10-hydroxycamptothecin-plays-a-key-role-in-inducing-fibroblasts-apoptosis-and-reducing-epidural-fibrosis
#17
Jihang Dai, Yu Sun, Lianqi Yan, Jingcheng Wang, Xiaolei Li, Jun He
The fibrosis that develops following laminectomy or discectomy often causes serious complications, and the proliferation of fibroblasts is thought to be the major cause of epidural fibrosis. 10-Hydroxycamptothecin (HCPT) has been proven to be efficient in preventing epidural fibrosis, but the exact mechanism is still unclear. NOXA is a significant regulator of cell apoptosis, which has been reported to be beneficial in the treatment of fibrosis. We performed a series of experiments, both in vitro and in vivo, to explore the intrinsic mechanism of HCPT that underlies the induction of apoptosis in fibroblasts, and also to investigate whether HCPT has positive effects on epidural fibrosis following laminectomy in rats...
2017: PeerJ
https://www.readbyqxmd.com/read/28072795/treatment-outcomes-for-patients-with-failed-back-surgery
#18
Jae Hwan Cho, Jae Hyup Lee, Kwang Sup Song, Jae-Young Hong, Yoon-Suk Joo, Dong-Ho Lee, Chang Ju Hwang, Choon Sung Lee
BACKGROUND: Failed back surgery syndrome (FBSS) is a frequently encountered disease entity following lumbar spinal surgery. Although many plausible reasons have been investigated, the exact pathophysiology remains unknown. Various medications, reoperations, interventions such as spinal cord stimulation, epidural adhesiolysis or epidural injection, exercise therapy, and psychotherapy have been suggested treatment options. However, the evidence of the clinical outcome for each treatment has not been clearly determined...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28002621/acupuncture-and-acupressure-in-labor
#19
REVIEW
Judith M Schlaeger, Elizabeth M Gabzdyl, Jeanie L Bussell, Nobuari Takakura, Hiroyoshi Yajima, Miho Takayama, Diana J Wilkie
Acupuncture and acupressure, 2 modalities of Traditional Chinese Medicine, are based on reducing pain and symptoms of disease through balancing yin and yang. Acupuncture and acupressure have been used in China for reduction of labor pain, labor augmentation, and other intrapartum indications for more than 2 millennia. This article presents a review of the current literature that has addressed the effects of acupuncture and acupressure on intrapartum events. Studies of acupuncture have demonstrated that acupuncture may reduce labor pain, the use of pharmacologic agents, the use of forceps and vacuum-assisted births, and the length of labor...
January 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/27988240/intraoperative-spinal-cord-monitoring-lesional-level-diagnosis
#20
M Gavaret, S Pesenti, M S Diop-Sene, E Choufani, G Bollini, J-L Jouve
BACKGROUND: In spinal deformity surgery, iatrogenic spinal cord injury is the most feared complication. Intraoperative monitoring (IOM) of the spinal cord assesses its functional integrity and allows significant reduction of the rate of spinal cord injury. HYPOTHESIS: In case of severe IOM alert, lesional level diagnosis constitutes supplementary and useful information. MATERIAL AND METHODS: This study was retrospective and monocentric. In our institution, 1062 pediatric spinal deformity surgeries have been monitored since 2004...
December 14, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
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