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Neuromodulation: Journal of the International Neuromodulation Society

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https://www.readbyqxmd.com/read/28205332/explantation-rates-and-healthcare-resource-utilization-in-spinal-cord-stimulation
#1
Jing L Han, Kelly R Murphy, Syed Mohammed Qasim Hussaini, Siyun Yang, Beth Parente, Jichun Xie, Promila Pagadala, Shivanand P Lad
OBJECTIVES: Certain patients ultimately undergo explantation of their spinal cord stimulation (SCS) devices. Understanding the predictors and rates of SCS explantation has important implications for healthcare resource utilization (HCRU) and pain management. The present study identifies explant predictors and discerns differences in HCRU for at-risk populations. METHODS: We designed a large, retrospective analysis using the Truven MarketScan Database. We included all adult patients who underwent a SCS trial from 2007 to 2012...
February 15, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28194840/burst-spinal-cord-stimulation-increases-peripheral-antineuroinflammatory-interleukin-10-levels-in-failed-back-surgery-syndrome-patients-with-predominant-back-pain
#2
Thomas M Kinfe, Sajjad Muhammad, Carolina Link, Sandra Roeske, Shafqat R Chaudhry, Thomas L Yearwood
OBJECTIVES: Burst spinal cord stimulation (SCS) has been reported to reduce back pain and improve functional capacity in Failed Back Surgery Syndrome (FBSS). However, its mechanism of action is not completely understood. Systemic circulating cytokines have been associated with the development of chronic back pain. METHODS: This prospective, feasibility study enrolled 12 refractory FBSS patients with predominant back pain (70% of overall pain) suitable for Burst SCS...
February 13, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28185373/dual-anchor-internal-pulse-generator-technique-may-lower-risk-of-twiddler-s-syndrome-a-case-series-and-literature-review
#3
Michał Roman Sobstyl, Mirosław Ząbek, Grażyna Brzuszkiewicz-Kuźmicka, Tomasz Pasterski
BACKGROUND: Twiddler's syndrome (TS) is described as a spontaneous rotation or intentional external manipulation of implanted internal pulse generator (IPG) for neurological or cardiac disorders. There have been identified some predisposing factors of the development of TS such as: loose subcutaneous tissue, older age of individuals undergoing deep brain stimulation (DBS) procedures, creation of too large pockets for IPG. Apart from these factors, the construction of IPG itself may predispose to the development of TS...
February 9, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28160397/alternate-intraspinal-targets-for-spinal-cord-stimulation-a-systematic-review
#4
REVIEW
George C Chang Chien, Nagy Mekhail
BACKGROUND: Conventional dorsal column spinal cord stimulation (SCS) provides less than optimal pain relief for certain pain syndromes and anatomic pain distributions. Practitioners have sought to treat these challenging therapeutic areas with stimulation of alternate intraspinal targets. OBJECTIVE: To identify and systematically review the evidence for the value neuromodulating specific neuronal targets within the spinal canal to achieve relief of chronic pain...
February 3, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28160364/peripheral-nerve-stimulation-of-brachial-plexus-nerve-roots-and-supra-scapular-nerve-for-chronic-refractory-neuropathic-pain-of-the-upper-limb
#5
Bénédicte Bouche, Marie Manfiotto, Philippe Rigoard, Jean Lemarie, Véronique Dix-Neuf, Michel Lanteri-Minet, Denys Fontaine
OBJECTIVES: We report the outcome of a consecutive series of 26 patients suffering from chronic medically-refractory neuropathic pain of the upper limb (including 16 patients with complex regional pain syndrome), topographically limited, treated by brachial plexus (BP) nerve roots or supra-scapular nerve (SSN) peripheral nerve stimulation (PNS). MATERIALS AND METHODS: The technique consisted in ultrasound-guided percutaneous implantation of a cylindrical lead (Pisces-Quad, Medtronic) close to the SSN or the cervical nerve roots within the BP, depending on the pain topography...
February 3, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28160355/the-effect-of-uni-and-bilateral-thalamic-deep-brain-stimulation-on-speech-in-patients-with-essential-tremor-acoustics-and-intelligibility
#6
Johannes Becker, Michael T Barbe, Mariam Hartinger, Till A Dembek, Jil Pochmann, Jochen Wirths, Niels Allert, Doris Mücke, Anne Hermes, Ingo G Meister, Veerle Visser-Vandewalle, Martine Grice, Lars Timmermann
BACKGROUND: Deep brain stimulation (DBS) of the ventral intermediate nucleus (VIM) is performed to suppress medically-resistant essential tremor (ET). However, stimulation induced dysarthria (SID) is a common side effect, limiting the extent to which tremor can be suppressed. To date, the exact pathogenesis of SID in VIM-DBS treated ET patients is unknown. OBJECTIVE: We investigate the effect of inactivated, uni- and bilateral VIM-DBS on speech production in patients with ET...
February 3, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28150422/successful-restoration-of-fecal-continence-using-sacral-nerve-stimulation-following-chemoradiation-and-transanal-excision-of-an-anal-melanoma-with-partial-internal-anal-sphincter-resection-a-case-report
#7
Tyler Cameron Tolopka, Craig A Messick
OBJECTIVE: This case report provides evidence for our hypothesis that use of a sacral nerve stimulator may be considered in patients with fecal incontinence (FI) following chemoradiation and transanal operations in the setting of cancer including partial internal sphincter resections. MATERIALS AND METHODS: A 57-year-old female with a history of anal melanoma was treated with neoadjuvant chemoradiation followed by wide local, transanal tumor excision with partial internal anal sphincter resection that resulted in ≥2 full fecal incontinent episodes/week with gas, liquid, and solid stool leakage ≥10/day requiring pad changes...
February 1, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28145626/evaluation-of-quantitative-measurement-techniques-for-head-tremor-with-thalamic-deep-brain-stimulation
#8
Arun Chockalingam, Hans Boggs, Julia Prusik, Adolfo Ramirez-Zamora, Paul Feustel, Abigail Belasen, Youngwon Youn, Chris Fama, Jessica Haller, Julie Pilitsis
BACKGROUND: Ventralis intermedius thalamic deep brain stimulation (VIM DBS) has shown to be safe and effective for medically refractory essential tremor (ET). We evaluate the use of quantitative tremor measurement methods for head tremor in ET using a "smart" hat and a smartphone application. METHODS: We enrolled 13 ET patients who previously underwent VIM DBS. Head and arm tremor was measured ON and OFF stimulation using the clinical gold standard Fahn-Tolosa-Marin Tremor Rating Scale (TRS)...
February 1, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28145065/positional-relations-of-the-cervical-vagus-nerve-revisited
#9
Uwe Planitzer, Niels Hammer, Ingo Bechmann, Juliane Glätzner, Sabine Löffler, Robert Möbius, Bernhard N Tillmann, David Weise, Dirk Winkler
OBJECTIVES: The cervical part of the vagus nerve (CVN) has become an important target for stimulation therapy to treat epilepsy and psychiatric conditions. For this purpose, the CVN is visualized in the carotid sheath, assuming it to be localized dorsomedially between the carotid artery (CA) and the internal jugular vein (JV). The aim of our morphological study was therefore to revisit the CVN relationships to the CA and JV, hypothesizing it to have common variations to this classical textbook anatomy...
February 1, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28116797/a-multidisciplinary-infection-control-bundle-to-reduce-the-number-of-spinal-cord-stimulator-infections
#10
Erlangga Yusuf, Sven Bamps, Bénédicte Thüer, Jan Mattheussen, Jean-Paul Ursi, Elke Del Biondo, Kris de Smedt, Raf Van Paesschen, Dirk Berghmans, Kaat Hofkens, Jef Van Schaeren, Tony van Havenbergh, Bruno Van Herendael
OBJECTIVE: To investigate the effect of a quality improvement project that resulted in an infection control bundle to reduce the number of spinal cord stimulator (SCS) infections. MATERIALS AND METHODS: The study was performed in a single center for neuromodulation from January 1, 2014, through May 31, 2016. In response to a high number of surgical site infections (SSIs) after SCS surgery, a multidisciplinary team analyzed the surgical process and developed an infection prevention bundle consisting of five items: 1) showering and decolonization for five days prior to surgery and showering in the hospital on the morning of surgery; 2) performing the SCS implantation as the first in the daily operating room (OR) program; 3) maintaining a minimal number of people in the OR; 4) providing home care nurses with a folder with SCS wound care instructions including pictures; 5) giving oral specific wound care instructions to patients...
January 24, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28111832/minimal-heating-at-the-skin-surface-during-transcranial-direct-current-stimulation
#11
Niranjan Khadka, Adantchede L Zannou, Fatima Zunura, Dennis Q Truong, Jacek Dmochowski, Marom Bikson
OBJECTIVE: To assess if transcranial direct current stimulation (tDCS) produces a temperature change at the skin surface, if any change is stimulation polarity (anode or cathode) specific, and the contribution of passive heating (joule heat) or blood flow on such change. MATERIAL AND METHODS: Temperature differences (ΔTs) in an agar phantom study and an in vivo study (forearm stimulation) including 20 volunteers with both experimental measures and finite element method (FEM) multiphysics prediction (current flow and bioheat) models of skin comprising three tissue layers (epidermis, dermis, and subcutaneous layer with blood perfusion) or of the phantom for active stimulation and control cases were compared...
January 22, 2017: Neuromodulation: Journal of the International Neuromodulation Society
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
#12
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/28102636/thalamic-deep-brain-stimulation-for-refractory-tourette-syndrome-clinical-evidence-for-increasing-disbalance-of-therapeutic-effects-and-side-effects-at-long-term-follow-up
#13
Anouk Y J M Smeets, Annelien A Duits, Albert F G Leentjens, Koen Schruers, Vivianne van Kranen-Mastenbroek, Veerle Visser-Vandewalle, Yasin Temel, Linda Ackermans
OBJECTIVE: Thalamic deep brain stimulation (DBS) is effective in reducing tics in patients with refractory Tourette syndrome at the short-term. Here, we report on the long-term outcome. MATERIALS AND METHODS: Seven patients underwent bilateral DBS between 2001 and 2008. The target was the centromedian nucleus, substantia periventricularis and nucleus ventro-oralis internus cross point of the thalamus. The effect on tics and side effects were evaluated with a variable follow-up duration of 12 to 78 months...
January 19, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28093818/intraoperative-microstimulation-predicts-outcome-of-postoperative-macrostimulation-in-subthalamic-nucleus-deep-brain-stimulation-for-parkinson-s-disease
#14
Raja Mehanna, Andre G Machado, John E Connett, Faisal Alsaloum, Scott E Cooper
BACKGROUND: In deep brain stimulation (DBS) of the subthalamic nucleus for treatment of Parkinson's Disease, a commonly encountered stimulation side effect is involuntary muscle contractions from spread of electrical current to cortico-spinal and cortico-bulbar fibers in the internal capsule. During surgery, a variety of techniques, including microelectrode recording (MER), are used to avoid positioning the DBS electrode too close to the internal capsule. At some centers, MER includes stimulating through the microelectrode (microstimulation)...
January 17, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28083888/rechargeable-or-nonrechargeable-deep-brain-stimulation-in-dystonia-a-cost-analysis
#15
Jerome Perez, Victoria Gonzalez, Laura Cif, Fabienne Cyprien, Emilie Chan-Seng, Philippe Coubes
OBJECTIVE: Deep brain stimulation of the internal Globus Pallidus (GPi DBS) delivered by an implantable neurostimulator (INS) is an established, effective, and safe treatment option for patients with medically refractory primary dystonia. Compared to other DBS targets, the battery life of the INS is substantially shorter due to the higher energy demands required to penetrate the GPi resulting in faster battery depletion and more frequent hospitalizations for INS replacement. We, therefore, performed a cost analysis to compare a rechargeable DBS system, Activa®RC, with nonrechargeable systems, from the perspective of the French public health insurer...
January 13, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28055131/subthalamic-nuclei-stimulation-in-patients-with-pantothenate-kinase-associated-neurodegeneration-pkan
#16
Ziyuan Liu, Yang Liu, Yingmai Yang, Lin Wang, Wanchen Dou, Jinzhu Guo, Yu Wang, Yi Guo, Xinhua Wan, Wenbin Ma, Renzhi Wang
INTRODUCTION: Pantothenate kinase-associated neurodegeneration (PKAN) is a rare autosomal recessive genetic disease that leads to extrapyramidal symptoms, such as dystonia, ataxia, dysarthria, and involuntary movements. Treatment of PKAN with deep brain stimulation (DBS) has been reported, but mainly focuses on targeting the globus pallidus internus (GPi). Subthalamic nuclei (STN) may also be a potential target for treatment of PKAN. METHODS: In this study, we reviewed three patients with PKAN (two with typical PKAN and one with atypical PKAN) treated by bilateral STN stimulation and present a review of the literature...
January 5, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28055126/neuromodulation-therapies-for-alcohol-addiction-a-literature-review
#17
REVIEW
Celeste A Azevedo, Antonios Mammis
OBJECTIVES: The goal of this review is to explore alternative neurological therapies in the treatment of alcohol use disorder; including transcranial direct current stimulation (tDCS), transcranial magnetic stimulation, deep brain stimulation (DBS), electroconvulsive therapy (ECT), and the off-label use of the GABAB receptor agonist baclofen. METHODS: A comprehensive literature search was conducted through EBSCOhost regarding the neurological therapies in the treatment of alcoholism discussed in this paper...
January 5, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042914/the-polyanalgesic-consensus-conference-pacc-recommendations-for-intrathecal-drug-delivery-guidance-for-improving-safety-and-mitigating-risks
#18
REVIEW
Timothy R Deer, Jason E Pope, Salim M Hayek, Tim J Lamer, Ilir Elias Veizi, Michael Erdek, Mark S Wallace, Jay S Grider, Robert M Levy, Joshua Prager, Steven M Rosen, Michael Saulino, Tony L Yaksh, Jose A De Andrés, David Abejon Gonzalez, Jan Vesper, Stefan Schu, Brian Simpson, Nagy Mekhail
INTRODUCTION: Intrathecal therapy is an important part of the pain treatment algorithm for chronic disease states. The use of this option is a viable treatment strategy, but it is inherent for pain physicians to understand risk assessment and mitigation. In this manuscript, we explore evidence and mitigating strategies to improve safety with intrathecal therapy. METHODS: A robust literature search was performed covering January 2011 to October 9, 2016, in PubMed, Embase, MEDLINE, Biomed Central, Google Scholar, Current Contents Connect, and International Pharmaceutical Abstracts...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042904/the-polyanalgesic-consensus-conference-pacc-recommendations-on-intrathecal-drug-infusion-systems-best-practices-and-guidelines
#19
REVIEW
Timothy R Deer, Jason E Pope, Salim M Hayek, Anjum Bux, Eric Buchser, Sam Eldabe, Jose A De Andrés, Michael Erdek, Dennis Patin, Jay S Grider, Daniel M Doleys, Marilyn S Jacobs, Tony L Yaksh, Lawrence Poree, Mark S Wallace, Joshua Prager, Richard Rauck, Oscar DeLeon, Sudhir Diwan, Steven M Falowski, Helena M Gazelka, Philip Kim, Michael Leong, Robert M Levy, Gladstone McDowell Ii, Porter McRoberts, Ramana Naidu, Samir Narouze, Christophe Perruchoud, Steven M Rosen, William S Rosenberg, Michael Saulino, Peter Staats, Lisa J Stearns, Dean Willis, Elliot Krames, Marc Huntoon, Nagy Mekhail
INTRODUCTION: Pain treatment is best performed when a patient-centric, safety-based philosophy is used to determine an algorithmic process to guide care. Since 2007, the International Neuromodulation Society has organized a group of experts to evaluate evidence and create a Polyanalgesic Consensus Conference (PACC) to guide practice. METHODS: The current PACC update was designed to address the deficiencies and innovations emerging since the previous PACC publication of 2012...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/27898202/optimization-of-transcutaneous-vagus-nerve-stimulation-using-functional-mri
#20
Natalia Yakunina, Sam Soo Kim, Eui-Cheol Nam
OBJECTIVE/HYPOTHESIS: Vagus nerve stimulation (VNS) is an established therapy for drug-resistant epilepsy, depression, and a number of other disorders. Transcutaneous stimulation of the auricular branch of the vagus nerve (tVNS) has been considered as a non-invasive alternative. Several functional magnetic resonance imaging (fMRI) studies on the effects of tVNS used different stimulation parameters and locations in the ear, which makes it difficult to determine the optimal tVNS methodology...
November 29, 2016: Neuromodulation: Journal of the International Neuromodulation Society
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