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tDCS and Pain

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https://www.readbyqxmd.com/read/28719422/polarity-independent-effects-of-transcranial-direct-current-stimulation-over-the-bilateral-opercular-somatosensory-region-a-magnetoencephalography-study
#1
Kei Nakagawa, Soichiro Koyama, Koji Inui, Satoshi Tanaka, Ryusuke Kakigi, Norihiro Sadato
The opercular somatosensory region (OP) plays an indispensable role in pain perception. In the present study, we investigated the neurophysiological effects of transcranial direct current stimulation (tDCS) over the OP. Somatosensory-evoked magnetic fields following noxious intraepidermal electrical stimulation to the left index finger (pain-SEFs) were recorded before and after tDCS with a single-blind, sham-controlled, cross-over trial design. Three tDCS conditions of left anodal/right cathodal tDCS, left cathodal/right anodal tDCS (each, 2 mA, 12 min), and sham tDCS (2 mA, 15 s) were applied...
July 17, 2017: Neuroreport
https://www.readbyqxmd.com/read/28684258/effects-of-transcranial-direct-current-stimulation-on-pain-mood-and-serum-endorphin-level-in-the-treatment-of-fibromyalgia-a-double-blinded-randomized-clinical-trial
#2
Eman M Khedr, Eman A H Omran, Nadia M Ismail, Dina H El-Hammady, Samar H Goma, Hassan Kotb, Hannan Galal, Ayman M Osman, Hannan S M Farghaly, Ahmed A Karim, Gehad A Ahmed
BACKGROUND: Recent studies have shown that novel neuro-modulating techniques can have pain-relieving effects in the treatment of chronic pain. The aim of this work is to evaluate the effects of transcranial direct current stimulation (tDCS) in relieving fibromyalgia pain and its relation with beta-endorphin changes. MATERIAL AND METHODS: Forty eligible patients with primary fibromyalgia were randomized to receive real anodal tDCS or sham tDCS of the left motor cortex (M1) daily for 10 days...
June 23, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28681715/motor-cortex-trns-improves-pain-affective-and-cognitive-impairment-in-patients-with-fibromyalgia-preliminary-results-of-a-randomised-sham-controlled-trial
#3
Massimiliano Curatolo, Giuseppe La Bianca, Giuseppe Cosentino, Roberta Baschi, Giuseppe Salemi, Rossella Talotta, Marcello Romano, Giovanni Triolo, Marina De Tommaso, Brigida Fierro, Filippo Brighina
OBJECTIVES: Fibromyalgia (FM) is a clinical syndrome characterised by widespread musculoskeletal pain, chronic fatigue, cognitive deficits, and sleep and mood disorders. The effectiveness of most pharmacological treatments is limited, and there is a need for new, effective and well-tolerated therapies. It has recently been shown that transcranial direct-current stimulation (tDCS) of the motor cortex reduces pain, and that tDCS of the dorso-lateral prefrontal cortex (DLPFC) improves anxiety, depression and cognitive impairment in FM patients...
May 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28681660/strategies-for-replacing-non-invasive-brain-stimulation-sessions-recommendations-for-designing-neurostimulation-clinical-trials
#4
Aurore Thibaut, Anthony Terrence O'Brien, Felipe Fregni
Despite the potential impact of missed visits on the outcomes of neuromodulation treatments, it is not clear how this issue has been addressed in clinical trials. Given this gap in the literature, we reviewed articles on non-invasive brain stimulation in participants with depression or chronic pain, and investigated how missed visits were handled. Areas covered: We performed a search on PUBMED/MEDLINE using the keywords: "tDCS", "transcranial direct current stimulation", "transcranial magnetic stimulation¨, "depression", and "pain"...
July 6, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28665989/addition-of-transcranial-direct-current-stimulation-to-quadriceps-strengthening-exercise-in-knee-osteoarthritis-a-pilot-randomised-controlled-trial
#5
Wei-Ju Chang, Kim L Bennell, Paul W Hodges, Rana S Hinman, Carolyn L Young, Valentina Buscemi, Matthew B Liston, Siobhan M Schabrun
A randomised, assessor- and participant-blind, sham-controlled trial was conducted to assess the safety and feasibility of adding transcranial direct current stimulation (tDCS) to quadriceps strengthening exercise in knee osteoarthritis (OA), and provide data to inform a fully powered trial. Participants were randomised to receive active tDCS+exercise (AT+EX) or sham tDCS+exercise (ST+EX) twice weekly for 8 weeks whilst completing home exercises twice per week. Feasibility, safety, patient-perceived response, pain, function, pressure pain thresholds (PPTs) and conditioned pain modulation (CPM) were assessed before and after treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28659772/parameter-optimization-analysis-of-prolonged-analgesia-effect-of-tdcs-on-neuropathic-pain-rats
#6
Hui-Zhong Wen, Shi-Hao Gao, Yan-Dong Zhao, Wen-Juan He, Xue-Long Tian, Huai-Zhen Ruan
Background: Transcranial direct current stimulation (tDCS) is widely used to treat human nerve disorders and neuropathic pain by modulating the excitability of cortex. The effectiveness of tDCS is influenced by its stimulation parameters, but there have been no systematic studies to help guide the selection of different parameters. Objective: This study aims to assess the effects of tDCS of primary motor cortex (M1) on chronic neuropathic pain in rats and to test for the optimal parameter combinations for analgesia...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28654557/the-effectiveness-of-transcranial-direct-current-stimulation-as-an-add-on-modality-to-graded-motor-imagery-for-treatment-of-complex-regional-pain-syndrome-a-randomized-proof-of-concept-study
#7
Émilie Lagueux, Michaël Bernier, Patricia Bourgault, Kevin Whittingstall, Catherine Mercier, Guillaume Léonard, Sarah Laroche, Yannick Tousignant-Laflamme
BACKGROUND: The efficacy of graded motor imagery (GMI) for the management of complex regional pain syndrome (CRPS) is supported by evidence, but its treatment effect remains generally modest. Transcranial direct current stimulation (tDCS) has been advocated as an adjunct intervention to enhance the effect of motor imagery approaches in pain populations. OBJECTIVE: The purpose of this study was to investigate the effectiveness of GMI+active tDCS compared to the GMI+sham tDCS in the treatment of CRPS type I...
June 16, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28652716/can-we-improve-pain-and-sleep-in-elderly-individuals-with-transcranial-direct-current-stimulation-results-from-a-randomized-controlled-pilot-study
#8
Marie-Philippe Harvey, Dominique Lorrain, Marylie Martel, Kayla Bergeron-Vezina, Francis Houde, Mario Séguin, Guillaume Léonard
BACKGROUND: The prevalence of chronic pain and sleep disturbances substantially increases with age. Pharmacotherapy remains the primary treatment option for these health issues. However, side effects and drug interactions are difficult to control in elderly individuals. AIMS: The objective of this study was to assess the feasibility of conducting a randomized sham-controlled trial and to collect preliminary data on the efficacy of transcranial direct current stimulation (tDCS) to reduce pain and improve sleep in older adults suffering from chronic pain...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28611529/non-invasive-stimulation-techniques-to-relieve-abdominal-pelvic-pain-is-more-always-better
#9
COMMENT
Marie-Philippe Harvey, Alain Watier, Émilie Dufort Rouleau, Guillaume Léonard
Chronic abdominal and pelvic pain is a common condition that has significant impact on quality of life, and causes billions of dollars in direct and indirect costs. Emerging data suggest that transcranial direct current stimulation (tDCS), alone or in combination with transcutaneous electrical nerve stimulation (TENS), could be a promising therapeutic avenue to reduce chronic pain. The encouraging results coming from these studies prompted us to try combining TENS and tDCS in 4 of our patients who suffered from chronic abdominal/pelvic pain and to compare the effect with 5 other patients who received TENS alone...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28605527/effect-of-transcranial-direct-current-stimulation-of-the-motor-cortex-on-visceral-pain-in-patients-with-hepatocellular-carcinoma
#10
Nagwa Mostafa Ibrahim, Khaled Mohamed Abdelhameed, Shereen Mamdouh Mohamed Kamal, Eman Mohamed Hussein Khedr, Hassan Ibrahim Mohamed Kotb
Objective. : Hepatocellular carcinoma (HCC) is frequently associated with visceral pain. Transcranial direct current stimulation (tDCS) has been proven to reduce chronic pain; however, its effectiveness in malignant visceral pain is unknown. This study aimed to investigate the effects of tDCS in patients with visceral pain due to HCC. Design. : This is a randomized, sham-controlled, double-blind, prospective study. Forty patients with visceral pain due to HCC were enrolled and randomly assigned into two groups: a real and a sham group; tDCS was applied over the primary motor area (M1) for 10 consecutive days (2 mA, 30 minutes)...
June 12, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28592857/effects-of-transcranial-direct-current-stimulation-on-temperature-and-pain-perception
#11
Laura Mordillo-Mateos, Michele Dileone, Vanesa Soto-León, Angela Brocalero-Camacho, Yolanda A Pérez-Borrego, Ana Onate-Figuerez, Juan Aguilar, Antonio Oliviero
Transcranial direct current stimulation modifies cortical excitability and in consequence some cerebral functions. In the present study we aimed to elucidate whether tDCS could affect temperature and pain perceptions in healthy subjects testing different stimulation parameters. A total of 20 healthy subjects were studied by means of quantitative sensory testing. Two different experiments were performed. First, we studied the effects of 15 minutes 2 mA anodal transcranial direct current stimulation applied over left M1 and parietal cortex in two separated sessions...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28566193/efficacy-of-transcranial-direct-current-stimulation-over-primary-motor-cortex-anode-and-contralateral-supraorbital-area-cathode-on-clinical-pain-severity-and-mobility-performance-in-persons-with-knee-osteoarthritis-an-experimenter-and-participant-blinded-randomized
#12
Hyochol Ahn, Adam J Woods, Mark E Kunik, Abhishek Bhattacharjee, Zhiguo Chen, Eunyoung Choi, Roger B Fillingim
BACKGROUND: Previous studies indicate that transcranial direct current stimulation (tDCS) with anode over motor cortex (M1) and cathode over contralateral supraorbital region (SO) may be effective in reducing pain, but these studies are limited in number and have not focused on older adults with osteoarthritis (OA). OBJECTIVE: To evaluate the preliminary efficacy and safety of M1-SO applied tDCS on clinical pain severity and mobility performance in adults with knee OA pain...
May 19, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28566169/transcranial-direct-current-stimulation-over-the-primary-motor-vs-prefrontal-cortex-in-refractory-chronic-migraine-a-pilot-randomized-controlled-trial
#13
Suellen Marinho Andrade, Renata Emanuela Lyra de Brito Aranha, Eliane Araújo de Oliveira, Camila Teresa Ponce Leon de Mendonça, Wanessa Kallyne Nascimento Martins, Nelson Torro Alves, Bernardino Fernández-Calvo
Although transcranial direct current stimulation (tDCS) represents a therapeutic option for the prophylaxis of chronic migraine, the target area for application of the electrical current to the cortex has not yet been well established. Here we sought to determine whether a treatment protocol involving 12 sessions of 2mA, 20min anodal stimulation of the left primary motor (M1) or dorsolateral prefrontal cortex (DLPFC) could offer clinical benefits in the management of pain from migraine. Thirteen participants were assessed before and after treatment, using the Headache Impact Test-6, Visual Analogue Scale and Medical Outcomes Study 36 - Item Short - Form Health Survey...
July 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28556188/effect-of-transcranial-direct-current-stimulation-on-neuroplasticity-in-corticomotor-pathways-of-the-tongue-muscles
#14
Mohit Kothari, Peter W Stubbs, Krystian Figlewski, Asger R Pedersen, Jim Jensen, Lene Baad-Hansen, Peter Svensson, Jørgen F Nielsen
To investigate effects of transcranial direct current stimulation (tDCS) on neuroplasticity in corticomotor pathways related to tongue muscles evoked by a training task using the Tongue Drive System (TDS). Using a cross-over design, 13 healthy participants completed two sessions of tDCS while performing 30 min of TDS training. Sessions were spaced at least 2 weeks apart and participants randomly received anodal and sham tDCS stimulation in the first session and the other condition in the second session. Single and paired pulse transcranial magnetic stimulation was used to elicit motor evoked potentials (MEPs) of the tongue at three time-points; before, immediately after and 30 min after training...
May 28, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28551531/transcranial-direct-current-stimulation-tdcs-and-its-influence-on-analgesics-effectiveness-in-patients-suffering-from-migraine-headache
#15
Anna Przeklasa-Muszyńska, Magdalena Kocot-Kępska, Jan Dobrogowski, Maciej Wiatr, Joanna Mika
BACKGROUND: Headache is one of the most common conditions troubling nearly 45% of the world's population. Migraine headache itself, being more common among women, affects 7-18% of people. As much as 20-30% of the population report accompanying aura and neurological symptoms. In many cases, migraine headache can be effectively treated with suitably selected pharmacotherapies which include drugs used in symptomatic treatment. Frequent occurrence of the condition is treated with prophylaxis, which often fails...
March 1, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28460127/effects-of-combining-a-brief-cognitive-intervention-with-transcranial-direct-current-stimulation-on-pain-tolerance-a-randomized-controlled-pilot-study
#16
Abigail Powers, Alok Madan, Megan Hilbert, Scott T Reeves, Mark George, Michael R Nash, Jeffrey J Borckardt
Objective.:  Cognitive behavioral therapy has been shown to be effective for treating chronic pain, and a growing literature shows the potential analgesic effects of minimally invasive brain stimulation. However, few studies have systematically investigated the potential benefits associated with combining approaches. The goal of this pilot laboratory study was to investigate the combination of a brief cognitive restructuring intervention and transcranial direct current stimulation (tDCS) over the left dorsolateral prefrontal cortex in affecting pain tolerance...
April 26, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28440034/role-of-transcranial-direct-current-stimulation-on-reduction-of-postsurgical-opioid-consumption-and-pain-in-total-knee-arthroplasty-double-randomized-clinical-trial
#17
E M Khedr, E S A Sharkawy, A M A Attia, N M Ibrahim Osman, Z M Sayed
BACKGROUND: Postoperative pain control is an important factor in determining recovery in total knee arthroplasty (TKA).The aim of the study was to assess the efficacy of 4 sessions of transcranial direct current stimulation (tDCS) over primary motor cortex (M1) in patients undergoing unilateral TKA. MATERIALS: Fifty patients undergoing TKA were included in the study. They were divided randomly into two groups (25 patients for each, using closed envelopes): real tDCS (2 mA, 20 min, with anodal stimulation applied over M1 postoperative for 4 consecutive days) and sham tDCS...
April 25, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28440001/treating-low-back-pain-with-combined-cerebral-and-peripheral-electrical-stimulation-a-randomized-double-blind-factorial-clinical-trial
#18
F A Hazime, A F Baptista, D G de Freitas, R L Monteiro, R L Maretto, R H Hasue, S M A João
BACKGROUND: Recent evidence suggests that chronic low back pain is associated with plastic changes in the brain that can be modified by neuromodulation strategies. This study investigated the efficacy of transcranial direct current stimulation (tDCS) combined simultaneously with peripheral electrical stimulation (PES) for pain relief, disability and global perception in patients with chronic low back pain (CLBP). METHODS: Ninety-two patients with CLBP were randomized to receive 12 sessions on nonconsecutive days of anodal tDCS (primary motor cortex, M1), 100 Hz sensory PES (lumbar spine), tDCS + PES or sham tDCS + PES...
April 25, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28419862/the-effect-of-tdcs-over-the-right-temporo-parietal-junction-on-pain-empathy
#19
Michel-Pierre Coll, Marie-Pier B Tremblay, Philip L Jackson
Empathy is a complex psychological phenomenon crucial for social perception and interactions. Several lines of evidence suggest that the right temporo-parietal junction is involved in self-other control mechanisms that play an important role in empathic responses. However, limited direct evidence of the involvement of this region in empathic responses is currently available. In this study, inhibitory transcranial direct current stimulation over this region influenced empathic responses to others' pain. It was found that compared to participants that received anodal or sham transcranial direct current stimulation, participants who received cathodal transcranial direct current stimulation over the right temporo-parietal junction perceived the pain of others as less intense compared to sham stimulation and showed decreased late event related potentials to facial expressions of pain...
April 15, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28321566/differential-effects-of-bifrontal-and-occipital-nerve-stimulation-on-pain-and-fatigue-using-transcranial-direct-current-stimulation-in-fibromyalgia-patients
#20
Wing Ting To, Evan James, Jan Ost, John Hart, Dirk De Ridder, Sven Vanneste
Fibromyalgia is a disorder characterized by widespread musculoskeletal pain frequently accompanied by other symptoms such as fatigue. Moderate improvement from pharmacological and non-pharmacological treatments have proposed non-invasive brain stimulation techniques such as transcranial direct current stimulation (tDCS) to the occipital nerve (more specifically the C2 area) or to the dorsolateral prefrontal cortex (DLPFC) as potential treatments. We aimed to explore the effectiveness of repeated sessions of tDCS (eight sessions) targeting the C2 area and DLPFC in reducing fibromyalgia symptoms, more specifically pain and fatigue...
March 20, 2017: Journal of Neural Transmission
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