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https://www.readbyqxmd.com/read/28297691/-intraoperative-artery-wall-stimulating-electromyography-during-microvascular-decompression-surgery-to-treat-hemifacial-spasm-a-case-report
#1
Ryotaro Yamashita, Taishi Nakamura, Ryutaro Fukuyama, Kosuke Ishikawa, Takahiro Hayashi, Ryohei Miyazaki, Makoto Ohtake, Mitsuru Sato, Kensuke Tateishi, Nobuyuki Shimizu, Jun Suenaga, Hidetoshi Murata
OBJECTIVE: Microvascular decompression(MVD)surgery has been established as a standard treatment for hemifacial spasm. However, because decompression surgery results in unfavorable outcomes in some cases, a more critical monitoring strategy is required. To improve surgical outcome for hemifacial spasms, abnormal muscle response(AMR)has been proposed as a tool for intraoperative electrophysiological monitoring during MVD surgery. Here, we report a single case of surgical MVD monitoring using artery wall stimulating electromyography(AWS-EMG)...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28269106/using-surface-electromyography-to-detect-changes-in-innervation-zones-pattern-after-human-cervical-spinal-cord-injury
#2
Babak Afsharipour, Milap S Sandhu, Ghulam Rasool, Nina L Suresh, William Z Rymer
Human spinal cord injuries (SCI) disrupt the pathways between brain and spinal cord, resulting in substantial impairment and loss of function. Currently, we do not have the ability to precisely quantify the "functional" level of motor injury. The aim of this study is to determine if high-density surface electromyography imaging (SEI) can be used to characterize the location and extent of the spinal lesion. SEI is a safe and non-invasive technique, which uses several electrodes to provide a map of muscle activity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267828/satoyoshi-syndrome-with-progressive-orofacial-manifestations-a-case-history-report
#3
Jian Li, Dong Peng, Ting Jiang, Limor Avivi-Arber
A young female patient suffering from Satoyoshi syndrome had the first characteristic signs and symptoms of hair loss and progressive spontaneous intermittent painful spasms of limb muscles at age 6.5 years. Thereafter, she developed chronic diarrhea, amenorrhea, and skeletal deformities. In the orofacial region, she suffered from painful spasms of the masseter (jaw closing) muscles, progressive tooth loss, and degeneration of the mandibular condyles. Treatment with steroids and provision of complete dentures improved the signs and symptoms...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28264545/innervation-zone-targeted-botulinum-toxin-injections
#4
Bayram Kaymak, Murat Kara, Arzu Yağiz-On, Abdullah R Soylu, Levent Özçakar
Muscle overactivity (spasticity, dystonia or spasm) seen in certain neuromuscular disorders has been effectively treated with intramuscular injection of botulinum neurotoxins (BoTXs). Since they act in the nerve terminals, the toxin must be transported to the neuromuscular junctions which are generally clustered in one or more restricted areas (innervations zone(s)) in a skeletal muscle. The innervation zone targeted BoTX injections using guidance is highly recommended to achieve an optimal therapeutic goal with lower doses and fewer side effects...
March 6, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28254601/electromyographically-guided-nerve-combing-makes-microvascular-decompression-more-successful-in-hemifacial-spasm-with-persistent-abnormal-muscle-response
#5
Xin Zhang, Jin Zhu, Yin-Da Tang, Hua Zhao, Ting-Ting Ying, Yan Yuan, Shi-Ting Li
BACKGROUND: Microvascular decompression (MVD) of the facial nerve monitored intra-operatively by abnormal muscle response (AMR) activity is a common treatment for hemifacial spasm. However, AMR frequently persists after MVD, for which electromyographically (EMG)-guided nerve combing is sometimes recommended. Because no research regarding the success of EMG-guided nerve combing has been published, we compared the effectiveness of nerve combing after MVD with simple MVD in cases including persistent AMR...
February 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28229063/childhood-laryngeal-dystonia-following-bilateral-globus-pallidus-abnormality-a-case-study-and-review-of-literature
#6
Mohammad Javad Saeedi Borujeni, Ebrahim Esfandiary, Mostafa Almasi-Dooghaee
INTRODUCTION: Dystonia is a disorder of movement caused by various etiologies. Laryngeal dystonia is caused by the spasm of laryngeal muscles. It is a disorder caused by vocal fold movement in which excessive adduction or abduction of the vocal folds occurs during speech. The pathophysiology of this type of dystonia is not fully known. Some researchers have suggested that basal ganglia structures and their connections with cortical areas have been involved in the pathogenesis of dystonia...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28227332/using-surface-electromyography-to-detect-changes-in-innervation-zones-pattern-after-human-cervical-spinal-cord-injury
#7
Babak Afsharipour, Milap S Sandhu, Ghulam Rasool, Nina L Suresh, William Z Rymer, Babak Afsharipour, Milap S Sandhu, Ghulam Rasool, Nina L Suresh, William Z Rymer, Milap S Sandhu, Babak Afsharipour, William Z Rymer, Nina L Suresh, Ghulam Rasool
Human spinal cord injuries (SCI) disrupt the pathways between brain and spinal cord, resulting in substantial impairment and loss of function. Currently, we do not have the ability to precisely quantify the "functional" level of motor injury. The aim of this study is to determine if high-density surface electromyography imaging (SEI) can be used to characterize the location and extent of the spinal lesion. SEI is a safe and non-invasive technique, which uses several electrodes to provide a map of muscle activity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224074/arthroscopic-resection-of-too-long-anterior-process-of-the-calcaneus
#8
Tun Hing Lui
A too-long anterior process (TLAP) of the calcaneus is an elongated anteromedial process of the calcaneus impinging the navicular or the talar head. TLAP can cause recurrent ankle sprain, peroneal muscle spasm, or persistent tarsal pain in adolescents. Arthroscopic resection is indicated if the symptoms do not respond to conservative treatment. It has the advantage of assessment of completeness of bone resection and treatment of associated lesions of the adjacent joints. The purpose of this technical note is to report an arthroscopic approach of the resection of the TLAP with the lateral midtarsal portal as the viewing portal...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28223858/the-therapeutic-usage-of-botulinum-toxin-botox-in-non-cosmetic-head-and-neck-conditions-an-evidence-based-review
#9
REVIEW
Kamran Habib Awan
Botulinum toxin (Botox) is an exotoxin produced from Clostridium botulinum. It blocks the release of acetylcholine from the cholinergic nerve end plates resulting in inactivity of the muscles or glands innervated. The efficacy of Botox in facial aesthetics is well established; however, recent literature has highlighted its utilization in multiple non-cosmetic medical and surgical conditions. The present article reviews the current evidence pertaining to Botox use in the non-cosmetic head and neck conditions...
January 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28217562/no-holes-transpectoral-tenodesis-technique-vs-tenotomy-of-the-long-head-of-the-biceps-brachii
#10
Enrico Gervasi, Enrico Sebastiani, Enrico Cautero
BACKGROUND: There is no univocal consensus regarding Long Head of the Biceps (LHB) best treatment between tenotomy and tenodesis. There is no consensus regarding the best location to perform the tenodesis. The LHB tenodesis performed by the proximal tendon excision as first step can miss the proper tension to the muscle belly. Fixations proximal to the pectoralis major can lead to groove pain. This study aims to test the efficacy of a new LHB tenodesis technique by comparing its results with the tenotomy...
October 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28215594/adult-onset-satoyoshi-syndrome-in-a-young-male
#11
Vinícius Viana Abreu Montanaro, Thiago Falcão Hora, Christian Marques Couto, Flavio Diniz Ribas
Satoyoshi syndrome is a rare condition of presumed autoimmune etiology that is characterized by intermittent painful spasms, diarrhea, hair loss, and bone abnormalities. We report the first case of adult onset Satoyoshi syndrome in South America. A 32-year-old Caucasian male presented with sudden involuntary muscle contractions and painful cramps that had started at the age of 21. He also presented with trismus and complete loss of body hair. Electroneuromyography showed abnormal spontaneous activity. Diagnosis of Satoyoshi syndrome was made after extensive investigation; improvement was achieved with corticosteroids and azathioprine...
January 20, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28203304/muscle-spasms-an-unexpected-adverse-drug-reaction-of-pemetrexed
#12
REVIEW
Hendrika J A de Rouw, Naomi T Jessurun, Lucie J P Masen-Poos, Hieronymus J Derijks
In this report we describe a 53-year-old woman with advanced non-small cell lung cancer, treated with pemetrexed and cisplatin combination therapy, followed by pemetrexed monotherapy. The patient developed severe muscle spasms at least twice, shortly after administration of pemetrexed monotherapy. A possible explanation for this observation is that in combination with cisplatin therapy, the patient was hyperhydrated before administration to promote renal excretion and reduce toxicity. Pemetrexed is also renally excreted, which supports the finding that toxicity did not occur when the patient was hyperhydrated...
February 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28194398/sphincter-of-oddi-function-and-risk-factors-for-dysfunction
#13
REVIEW
Elham Afghani, Simon K Lo, Paul S Covington, Brooks D Cash, Stephen J Pandol
The sphincter of Oddi (SO) is a smooth muscle valve regulating the flow of biliary and pancreatic secretions into the duodenum, initially described in 1887 by the Italian anatomist, Ruggero Oddi. SO dysfunction (SOD) is a broad term referring to numerous biliary, pancreatic, and hepatic disorders resulting from spasms, strictures, and relaxation of this valve at inappropriate times. This review brings attention to various factors that may increase the risk of SOD, including but not limited to: cholecystectomy, opiates, and alcohol...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28191872/spatiotemporal-correlation-of-spinal-network-dynamics-underlying-spasms-in-chronic-spinalized-mice
#14
Carmelo Bellardita, Vittorio Caggiano, Roberto Leiras, Vanessa Caldeira, Andrea Fuchs, Julien Bouvier, Peter Löw, Ole Kiehn
Spasms after spinal cord injury (SCI) are debilitating involuntary muscle contractions that have been associated with increased motor neuron excitability and decreased inhibition. However, whether spasms involve activation of premotor spinal excitatory neuronal circuits is unknown. Here we use mouse genetics, electrophysiology, imaging and optogenetics to directly target major classes of spinal interneurons as well as motor neurons during spasms in a mouse model of chronic SCI. We find that assemblies of excitatory spinal interneurons are recruited by sensory input into functional circuits to generate persistent neural activity, which interacts with both the graded expression of plateau potentials in motor neurons to generate spasms, and inhibitory interneurons to curtail them...
February 13, 2017: ELife
https://www.readbyqxmd.com/read/28190443/neurologic-manifestations-of-major-electrolyte-abnormalities
#15
M Diringer
The brain operates in an extraordinarily intricate environment which demands precise regulation of electrolytes. Tight control over their concentrations and gradients across cellular compartments is essential and when these relationships are disturbed neurologic manifestations may develop. Perturbations of sodium are the electrolyte disturbances that most often lead to neurologic manifestations. Alterations in extracellular fluid sodium concentrations produce water shifts that lead to brain swelling or shrinkage...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28188086/two-intermittent-vismodegib-dosing-regimens-in-patients-with-multiple-basal-cell-carcinomas-mikie-a-randomised-regimen-controlled-double-blind-phase-2-trial
#16
Brigitte Dréno, Rainer Kunstfeld, Axel Hauschild, Scott Fosko, David Zloty, Bruno Labeille, Jean-Jacques Grob, Susana Puig, Frank Gilberg, Daniel Bergström, Damian R Page, Gary Rogers, Dirk Schadendorf
BACKGROUND: Vismodegib, a first-in-class Hedgehog-pathway inhibitor, is approved for use in adults with advanced basal-cell carcinoma. Patients with multiple basal-cell carcinomas, including those with basal-cell nevus (Gorlin) syndrome, need extended treatment. We assessed the safety and activity of two long-term intermittent vismodegib dosing regimens in patients with multiple basal-cell carcinomas. METHODS: In this randomised, regimen-controlled, double-blind, phase 2 trial, we enrolled adult patients with multiple basal-cell carcinomas, including those with basal-cell nevus syndrome, who had one or more histopathologically confirmed and at least six clinically evident basal-cell carcinomas...
February 7, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28186662/blepharospasm-40-years-later
#17
REVIEW
Giovanni Defazio, Mark Hallett, Hyder A Jinnah, Antonella Conte, Alfredo Berardelli
Forty years ago, C.D. Marsden proposed that blepharospasm should be considered a form of adult-onset focal dystonia. In the present paper, we provide a comprehensive overview of the findings regarding blepharospasm reported in the past 40 years. Although prolonged spasms of the orbicularis oculi muscles remain the clinical hallmark of blepharospasm, patients with blepharospasm may be characterized by various types of involuntary activation of periocular muscles. In addition to motor features, blepharospasm patients may also have nonmotor manifestations, including psychiatric, mild cognitive, and sensory disturbances...
February 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28186656/phenotype-and-genotype-specific-structural-alterations-in-spasmodic-dysphonia
#18
Serena Bianchi, Giovanni Battistella, Hailey Huddleston, Rebecca Scharf, Lazar Fleysher, Anna F Rumbach, Steven J Frucht, Andrew Blitzer, Laurie J Ozelius, Kristina Simonyan
BACKGROUND: Spasmodic dysphonia is a focal dystonia characterized by involuntary spasms in the laryngeal muscles that occur selectively during speaking. Although hereditary trends have been reported in up to 16% of patients, the causative etiology of spasmodic dysphonia is unclear, and the influences of various phenotypes and genotypes on disorder pathophysiology are poorly understood. In this study, we examined structural alterations in cortical gray matter and white matter integrity in relationship to different phenotypes and putative genotypes of spasmodic dysphonia to elucidate the structural component of its complex pathophysiology...
February 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28186450/an-investigation-into-quality-of-life-improvement-in-patients-undergoing-microvascular-decompression-for-hemifacial-spasm
#19
Jesse D Lawrence, Andrew M Frederickson, Yue-Fang Chang, Patricia M Weiss, Peter C Gerszten, Raymond F Sekula
OBJECTIVE Hemifacial spasm (HFS) is a movement disorder characterized by involuntary spasms of the facial muscles, and it can negatively impact quality of life (QOL). This retrospective study and systematic review with meta-analysis was conducted to investigate the QOL in patients with HFS following intervention with microvascular decompression (MVD) and botulinum toxin (BT). METHODS In the retrospective analysis, a QOL questionnaire was administered to all patients undergoing MVD performed by a single surgeon...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28182134/differential-pharmacology-and-clinical-utility-of-sonidegib-in-advanced-basal-cell-carcinoma
#20
REVIEW
Mohd Wahid, Arshad Jawed, Sajad Ahmad Dar, Raju K Mandal, Shafiul Haque
Patients suffering from advanced basal cell carcinoma (BCC) have very limited treatment options. Sonidegib selectively inhibits the growth of Hedgehog pathway-dependent tumors and can treat locally advanced BCC patients who are not candidates for surgery or radiation therapy. The BOLT clinical trials were conducted to evaluate the efficacy/potency of sonidegib in the treatment of advanced BCC or metastatic BCC. The patients were randomized in 1:2 ratios to receive 200 or 800 mg oral sonidegib daily, stratified by disease, histological subtype and geographical region...
2017: OncoTargets and Therapy
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