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tDCS dysphagia

Xiao-Su Hu, Clayton A Fisher, Stephanie M Munz, Rebecca L Toback, Thiago D Nascimento, Emily L Bellile, Laura Rozek, Avraham Eisbruch, Francis P Worden, Theodora E Danciu, Alexandre F DaSilva
Patients with head and neck cancer often experience a significant decrease in their quality of life during chemoradiotherapy (CRT) due to treatment-related pain, which is frequently classified as severe. Transcranial direct current stimulation (tDCS) is a method of non-invasive brain stimulation that has been frequently used in experimental and clinical pain studies. In this pilot study, we investigated the clinical impact and central mechanisms of twenty primary motor cortex (M1) stimulation sessions with tDCS during 7 weeks of CRT for head and neck cancer...
2016: Frontiers in Human Neuroscience
Ryo Momosaki, Shoji Kinoshita, Wataru Kakuda, Naoki Yamada, Masahiro Abo
The purpose of this study was to review the best available evidence of noninvasive brain stimulation, including repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) for dysphagia after acquired brain injury. We searched randomized controlled trials that compared noninvasive brain stimulation with control used to improve dysphagia after acquired brain injury. We assessed dysphagia severity rating scales and penetration-aspiration scale as outcomes immediately after intervention...
2016: Journal of Medical Investigation: JMI
Shaofeng Zhao, Zulin Dou, Xiaomei Wei, Jin Li, Meng Dai, Yujue Wang, Qinglu Yang, Huai He
Transcranial direct current stimulation (tDCS) is a non-invasive method to modulate cortical excitability in humans. Here, we examined the effects of anodal tDCS on suprahyoid motor evoked potentials (MEP) when applied over the hemisphere with stronger and weaker suprahyoid/submental projections, respectively, while study participants performed a swallowing task. Thirty healthy volunteers were invited to two experimental sessions and randomly assigned to one of two different groups. While in the first group stimulation was targeted over the hemisphere with stronger suprahyoid projections, the second group received stimulation over the weaker suprahyoid projections...
2015: Frontiers in Human Neuroscience
Seung Nam Yang, Sung-Bom Pyun, Hyun Jung Kim, Hyeong Sik Ahn, Byung Joo Rhyu
The objective of this study is to assess the efficacy and safety of non-invasive brain stimulation (NIBS) in patients with dysphagia subsequent to stroke. A systematic search of the literature published by Medline (January 1, 1976 through June 21, 2013), EMBASE (January 1, 1985 through June 21, 2013), and the Cochrane Library (January 1, 1987 through June 21, 2013) was conducted for all relevant articles related to NIBS, dysphagia, and cerebrovascular disorders (CVD). Two reviewers (S.N.Y and S.B.P) independently evaluated the eligibility of retrieved data according to the selection criteria and assessed methodological quality of the studies using the 'assessing risk of bias' table recommended in the Cochrane Handbook for Systematic Reviews of Interventions (version 5...
August 2015: Dysphagia
Sarah Marchina, Gottfried Schlaug, Sandeep Kumar
GOAL: Dysphagia is a major stroke complication but lacks effective therapy that can promote recovery. Noninvasive brain stimulation with and without peripheral sensorimotor activities may be an attractive treatment option for swallowing recovery but has not been systematically investigated in the stroke population. This article describes the study design of the first prospective, single-center, double-blinded trial of anodal versus sham transcranial direct current stimulation (tDCS) used in combination with swallowing exercises in patients with dysphagia from an acute ischemic stroke...
March 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Giuseppe Cosentino, Enrico Alfonsi, Filippo Brighina, Mauro Fresia, Brigida Fierro, Giorgio Sandrini, Antonio Schindler, Francesca Valentino, Danilo Fontana, Alberto Priori
BACKGROUND: Transcranial direct current stimulation (tDCS) is a non-invasive technique used for modulating cortical excitability in vivo in humans. Here we evaluated the effect of tDCS on behavioral and electrophysiological aspects of physiological sucking and swallowing. METHODS: Twelve healthy subjects underwent three tDCS sessions (anodal, cathodal and sham stimulation) on separate days in a double-blind randomized order. The active electrode was placed over the right swallowing motor cortex...
November 2014: Brain Stimulation
Dipesh H Vasant, Satish Mistry, Emilia Michou, Samantha Jefferson, John C Rothwell, Shaheen Hamdy
The human cortical swallowing system exhibits bilateral but functionally asymmetric representation in health and disease as evidenced by both focal cortical inhibition (pre-conditioning with 1 Hz repetitive transcranial magnetic stimulation; rTMS) and unilateral stroke, where disruption of the stronger (dominant) pharyngeal projection alters swallowing neurophysiology and behaviour. Moreover, excitatory neurostimulation protocols capable of reversing the disruptive effects of focal cortical inhibition have demonstrated therapeutic promise in post-stroke dysphagia when applied contralaterally...
February 15, 2014: Journal of Physiology
Sonja Suntrup, Inga Teismann, Andreas Wollbrink, Martin Winkels, Tobias Warnecke, Agnes Flöel, Christo Pantev, Rainer Dziewas
Swallowing is a complex neuromuscular task that is processed within multiple regions of the human brain. Rehabilitative treatment options for dysphagia due to neurological diseases are limited. Because the potential for adaptive cortical changes in compensation of disturbed swallowing is recognized, neuromodulation techniques like transcranial direct current stimulation (tDCS) are currently considered as a treatment option. Here we evaluate the effect of tDCS on cortical swallowing network activity and behavior...
December 2013: NeuroImage
Takashi Shigematsu, Ichiro Fujishima, Kikuo Ohno
BACKGROUND: Poststroke dysphagia can persist, leading to many complications. OBJECTIVE: We investigated whether noninvasive brain stimulation to the pharyngeal motor cortex combined with intensive swallowing therapy can improve dysphagia. METHODS: A total of 20 patients who had dysphagia for at least 1 month after stroke were randomly assigned to receive 10 sessions lasting 20 minutes each of either 1-mA anodal transcranial direct current stimulation (tDCS) or a sham procedure to the ipsilesional pharyngeal motor cortex, along with simultaneous conventional swallowing therapies...
May 2013: Neurorehabilitation and Neural Repair
Wuwei Wayne Feng, Mark G Bowden, Steven Kautz
Motor impairment, dysphagia, aphasia, and visual impairment are common disabling residual deficits experienced by stroke survivors. Recently, many novel rehabilitative modalities have been investigated for their potential to ameliorate such deficits and to improve functional outcomes. Noninvasive brain stimulation techniques, such as transcranial direct current stimulation (tDCS), have emerged as a promising tool to facilitate stroke recovery. tDCS can alter cortical excitability to induce brain plasticity by modulating the lesioned, contralesional, or bilateral hemispheres with various stimulation modalities...
January 2013: Topics in Stroke Rehabilitation
Bamidele O Adeyemo, Marcel Simis, Debora Duarte Macea, Felipe Fregni
INTRODUCTION/OBJECTIVES: Repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation are two powerful non-invasive neuromodulatory therapies that have the potential to alter and evaluate the integrity of the corticospinal tract. Moreover, recent evidence has shown that brain stimulation might be beneficial in stroke recovery. Therefore, investigating and investing in innovative therapies that may improve neurorehabilitative stroke recovery are next steps in research and development...
2012: Frontiers in Psychiatry
Eun Joo Yang, So-Ra Baek, Joonho Shin, Jong Youb Lim, Hye Jin Jang, Yu Kyeong Kim, Nam-Jong Paik
PURPOSE: Transcranial direct current stimulation (tDCS) combined with swallowing training might improve swallowing function in patients with post-stroke dysphagia. We investigate the effects of transcranial direct current stimulation (tDCS) combined with swallowing training on post-stroke dysphagia. METHODS: Sixteen patients with post-stroke dysphagia, diagnosed using video fluoroscopic swallowing (VFSS), were randomly assigned into two groups: (1) anodal tDCS group (1 mA for 20 min), or (2) sham group (1 mA for 30 s)...
2012: Restorative Neurology and Neuroscience
Sandeep Kumar, Cynthia W Wagner, Colleen Frayne, Lin Zhu, Magdy Selim, Wuwei Feng, Gottfried Schlaug
BACKGROUND AND PURPOSE: Treatment options for stroke-related dysphagia are currently limited. In this study, we investigated whether noninvasive brain stimulation in combination with swallowing maneuvers facilitates swallowing recovery in dysphagic stroke patients during early stroke convalescence. METHODS: Fourteen patients with subacute unilateral hemispheric infarction were randomized to anodal transcranial direct current stimulation (tDCS) versus sham stimulation to the sensorimotor cortical representation of swallowing in the unaffected hemisphere over the course of 5 consecutive days with concurrent standardized swallowing maneuvers...
April 2011: Stroke; a Journal of Cerebral Circulation
Wenhao Ren, Keqian Zhi, Lu Zhao, Ling Gao
OBJECTIVE: The objective of this study was to determine the clinical presentations and management of thyroglossal duct cyst (TDC or thyroglossal tract remnant [TTR]) between children and adults and evaluate risk factors associated with recurrence after surgery for TDCs. STUDY DESIGN: A retrospective study of all patients with TDCs managed in our department from January 1998 through April 2008 was performed. All records were reviewed for age and sex, sizes and locations of cysts, diagnostic methods, surgical management, recurrences, and complications...
February 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
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