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Nerve conduction study

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https://www.readbyqxmd.com/read/29161336/efficacy-of-electrical-stimulation-of-the-occipital-nerve-in-intractable-primary-headache-disorders-a-systematic-review-with-meta-analyses
#1
Robert T Cadalso, John Daugherty, Caron Holmes, Saravanan Ram, Reyes Enciso
AIMS: To determine the efficacy of occipital nerve stimulation (ONS) in reducing the intensity, duration, and frequency of medically intractable primary headaches. METHODS: A systematic review was carried out by searching three electronic databases: the Cochrane Library, MEDLINE via PubMed, and Web of Science. Randomized controlled trials (RCTs) and case series were eligible for inclusion. RCTs were assessed for quality of evidence by using the Cochrane Risk of Bias and the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) tools...
November 21, 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29160537/relationship-between-anterior-segment-and-optic-nerve-head-parameters-in-healthy-subjects
#2
Ali Bulent Cankaya, Serdar Ozates
PURPOSE: To determine the relationship between anterior segment and optic nerve head (ONH) parameters. METHODS: Two hundred healthy subjects were enrolled in this study. The par-ticipants underwent measurement of anterior segment parameters with a Pentacam Scheimpflug system and imaging of the optic disc with confocal scanning laser ophthalmoscopy. Pearson's correlation coefficient was calculated to assess the associations between ONH and anterior segment parameters...
September 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29160181/chick-embryo-model-homing-and-host-interactions-of-tissue-engineering-aimed-human-dental-stem-cells
#3
Jennifer Adriane Dos Santos, Monica Talarico Duailibi, Durvanei Augusto Maria, Sonia Elisabete Alves de Lima Will, Paulo Cesar Simoes Silva, Ligia Ferreira Gomes, Silvio Eduardo Duailibi
Human dental stem cells (hDSC) have a potential for regenerative therapies and could differentiate in vitro into many tissues such as dentin, nerve and vascular endothelium. Gallus gallus domesticus developing fertilized egg, or chick embryo is an experimental model absent of xenografts rejection, largely employed in replacement of mammal species in scientific research and pre-clinical studies to evaluate angiogenesis and vasculogenesis, tissue differentiation, and embryonic development. This multiscale research deals with the homing and cell signaling effects of a standardized hDSC towards the receptor tissues of Gallus gallus domesticus in ovo...
November 21, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29159712/effect-of-kaempferol-isolated-from-seeds-of-eruca-sativa-on-changes-of-pain-sensitivity-in-streptozotocin-induced-diabetic-neuropathy
#4
Lalit Kishore, Navpreet Kaur, Randhir Singh
Generation of excessive reactive oxygen species (ROS) and advanced glycation end products (AGEs), and cellular apoptosis are implicated in the pathogenesis of diabetic neuropathy. Present study was aimed to explore the effect of Eruca sativa and Kaempferol (KP) on hyperalgesia (thermal and mechanical); tactile allodynia, motor nerve conduction velocity (MNCV) and oxidative-nitrosative stress in streptozotocin (STZ) induced experimental diabetes. Neuropathy developed in diabetic rats was evident from a marked hyperalgesia and allodynia; reduced MNCV associated with excess formation of AGEs and ROS...
November 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29159513/molybdenum-coated-su-8-microneedle-electrodes-for-transcutaneous-electrical-nerve-stimulation
#5
Ramin Soltanzadeh, Elnaz Afsharipour, Cyrus Shafai, Neda Anssari, Behzad Mansouri, Zahra Moussavi
Electrophysiological devices are connected to the body through electrodes. In some applications, such as nerve stimulation, it is needed to minimally pierce the skin and reach the underneath layers to bypass the impedance of the first layer called stratum corneum. In this study, we have designed and fabricated surface microneedle electrodes for applications such as electrical peripheral nerve stimulation. We used molybdenum for microneedle fabrication, which is a biocompatible metal; it was used for the conductive layer of the needle array...
November 21, 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/29159464/anti-mag-associated-cerebellar-ataxia-and-response-to-rituximab
#6
Panagiotis Zis, Dasappaiah Ganesh Rao, Nigel Hoggard, Ptolemaios Georgios Sarrigiannis, Marios Hadjivassiliou
BACKGROUND: Myelin-associated glycoprotein (MAG) is a glycoprotein specific to Schwann cells. Schwann cells produce myelin for nerve cells in the peripheral nervous system. MAG also plays a role in the central nervous system (CNS) by maintaining myelin integrity and inhibiting axonal regeneration from cerebellar neurons. There is a well-established link between distal demyelinating neuropathy and anti-MAG antibodies in patients with monoclonal gammopathy of unknown significance. We describe a series of five patients with anti-MAG antibodies with evidence of cerebellar rather than just sensory ataxia and our experience of treatment with rituximab...
November 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29157154/risk-assessments-using-the-strain-index-and-the-tlv-for-hal-part-ii-multi-task-jobs-and-prevalence-of-cts
#7
Jay M Kapellusch, Barbara A Silverstein, Stephen S Bao, Mathew S Thiese, Andrew S Merryweather, Kurt T Hegmann, Arun Garg
BACKGROUND: The Strain Index (SI) and the American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value for Hand Activity Level (TLV for HAL) have been shown to be associated with prevalence of distal upper limb musculoskeletal disorders such as carpal tunnel syndrome (CTS). The SI and TLV for HAL disagree on more than half of task exposure classifications. Similarly, Time-Weighted-Average (TWA), Peak, and Typical exposure techniques used to quantity physical exposure from multi-task jobs have shown between-technique agreement ranging from 61% to 93%, depending upon whether the SI or TLV for HAL model was used...
November 20, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29156496/sensation-mechanoreceptor-and-nerve-fiber-function-after-nerve-regeneration
#8
Christian Krarup, Birgitta Rosén, Michel Boeckstyns, Allan Ibsen Sørensen, Göran Lundborg, Mihai Moldovan, Simon J Archibald
OBJECTIVE: Sensation is essential for recovery after peripheral nerve injury. However, the relationship between sensory modalities and function of regenerated fibers is uncertain. We have investigated the relationships between touch threshold, tactile gnosis and mechanoreceptor and sensory fiber function after nerve regeneration. METHODS: Twenty-one median or ulnar nerve lesions were repaired by a collagen nerve conduit or direct suture. Quantitative sensory hand function and sensory conduction studies by near-nerve technique including tactile stimulation of mechanoreceptors were followed for 2 years, and results were compared to non-injured hands...
November 20, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29155701/an-ultrasonic-tool-for-nerve-conduction-block-in-diabetic-rat-models
#9
Yee Fun Lee, Chou-Ching Lin, Jung-Sung Cheng, Gin-Shin Chen
Nerve conduction block with a high intensity-focused ultrasound (HIFU) transducer has been performed in normal and diabetic animal models recently. HIFU can reversibly block the conduction of peripheral nerves without damaging the nerves while using an appropriate ultrasonic parameter. Temporary and partial block of the action potentials of nerves shows that HIFU has the potential to be a useful clinical treatment for pain relief. This work demonstrates the procedures for suppressing the action potentials of neuropathic nerves in diabetic rats in vivo using an HIFU transducer...
October 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154836/a-new-promising-simultaneous-approach-for-attenuating-type-ii-diabetes-mellitus-induced-neuropathic-pain-in-rats-inos-inhibition-and-neuroregeneration
#10
Abhilasha Ahlawat, Saurabh Sharma
In view of the pathologic basis for the treatment of diabetic neuropathy, it is important to enhance nerve regeneration as well as prevent nerve degeneration. So, in the present study, we have investigated the effect of S-Methylisothiourea Sulfate (selective iNOS inhibitor) and Citicoline, alone and in combination, on Type II Diabetes Mellitus induced neuropathic pain in wistar rats. Type II diabetes was induced by providing high fat diet and low dose of Streptozotocin for 35 days in rats. Type II Diabetes Mellitus was assessed in terms of increased glucose, triglycerides, cholesterol, LDL levels, glucose tolerance and decrease in HDL levels...
November 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29154235/the-use-of-neurodynamic-techniques-in-the-conservative-treatment-of-carpal-tunnel-syndrome-a-critical-appraisal-of-the-literature
#11
Tomasz Wolny
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common peripheral neuropathy, characterized by the presence of many sensory and motor abnormalities. In the physiotherapy of patients with CTS, neurodynamic tech-niques are very common, while the scientific literature does not show clear evidence of beneficial effects obtained by using these techniques. Therefore, the aim of this work was to critically evaluate the use of neurodynamic techniques in the conservative treatment of CTS...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/29151988/lumbar-spinal-angiolipoma-with-expanding-left-neural-foramen-mimicking-lumbar-schwannoma-case-report-and-review-of-the-literature
#12
Yener Akyuva, Aylin Gonultas, Numan Karaaslan, Zehra Gulciftci Dagci, Semih Saglik, Mehmet Isyar, Mahir Mahirogullari
Aim: To describe a patient with lumbar angiolipoma mimicking schwannoma in the posterolateral side of the spinal canal with expansion of the left lumbar foramen and to discuss the clinical, radiologic, and surgical features of these lesions with literature. Methods: Without language restriction in this paper, the electronic databases; The Cochrane Collaboration the Cochrane, The Cochrane Library (Issue 2 of 12, Feb. 2011), ProQuest, US National Library of Medicine, National Institutes of Health (NLM) and PubMed dating from 1966 September to January Week 2 2017, were searched for comparative experimental studies using the terms: "OR", "AND"...
2017: Open Neurology Journal
https://www.readbyqxmd.com/read/29151179/comparison-of-three-analgesic-drug-regimens-with-twelfth-subcostal-nerve-block-for-pain-control-during-extracorporeal-shock-wave-lithotripsy
#13
Miguel Maldonado-Avila, Leopoldo Mateo Garduño-Arteaga, Roberto Alejandro Vela-Mollinedo, Jorge Jaspersen-Gastelum, Francisco Virgen-Gutierrez, Marcos Del Rosario-Santiago, Victor Rios-Davila
INTRODUCTION AND OBJECTIVE: Extracorporeal shock wave lithotripsy (ESWL) is the first-line treatment in the majority of cases of upper urinary tract stones. Since its introduction, attempts have been made to establish the ideal accompanying analgesic method to enable the application of shock waves of adequate duration and intensity for efficacious stone fragmentation. An open, randomized, prospective, longitudinal, comparative, and experimental clinical study was conducted to evaluate the efficacy of subcostal nerve block with lidocaine, comparing it in combination with tramadol or diclofenac for pain control during ESWL...
November 18, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29150079/mechanism-hypotheses-for-the-electrophysiological-manifestations-of-two-cases-of-endplate-acetylcholinesterase-deficiency-related-congenital-myasthenic-syndrome
#14
Qingyun Ding, Dongchao Shen, Yi Dai, Youfang Hu, Yuzhou Guan, Mingsheng Liu, Liying Cui
OBJECTIVE: To summarize the electrophysiological characteristics of two cases of endplate acetylcholinesterase deficiency (EAD) related congenital myasthenic syndrome (CMS) caused by COLQ mutation and to discuss the possible mechanism of these electrophysiological phenomena. METHODS: Electrophysiological examinations were conducted including nerve conduction studies, routine electromyography (EMG), repetitive nerve stimulation (RNS) and single fiber EMG (SFEMG)...
November 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29149211/occupational-exposure-to-unburnt-tobacco-and-potential-risk-of-toxic-optic-neuropathy-a-cross-sectional-study-among-beedi-rollers-in-selected-rural-areas-of-coastal-karnataka-india
#15
Soujanya Kaup, Ansaba Naseer, Siddharudha Shivalli, Cynthia Arunachalam
BACKGROUND: Beedi also known as poor man's cigarette is manufactured in almost all major states of India. Beedi workers are exposed to various health risks. There is an increased risk of systemic absorption of tobacco through skin and mucous membrane. The optic nerve is susceptible to damage from several toxic substances including tobacco. This group of disorders is known as toxic optic neuropathy (TON). The association of TON with occupational exposure to unburnt tobacco in beedi rollers has not been explored...
2017: PloS One
https://www.readbyqxmd.com/read/29147011/lower-serum-extracellular-superoxide-dismutase-levels-are-associated-with-polyneuropathy-in-recent-onset-diabetes
#16
Alexander Strom, Kirti Kaul, Jutta Brüggemann, Iris Ziegler, Ilka Rokitta, Sonja Püttgen, Julia Szendroedi, Karsten Müssig, Michael Roden, Dan Ziegler
Increased oxidative stress is implicated in the pathogenesis of experimental diabetic neuropathy, but translational evidence in recent-onset diabetes is scarce. We aimed to determine whether markers of systemic oxidative stress are associated with diabetic sensorimotor polyneuropathy (DSPN) in recent-onset diabetes. In this cross-sectional study, we measured serum concentrations of extracellular superoxide dismutase (SOD3), thiobarbituric acid reactive substances (TBARS), and reduced glutathione (GSH) in 107 type 1 and 215 type 2 diabetes patients from the German Diabetes Study baseline cohort and 37 glucose-tolerant individuals (controls)...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146475/electrical-activity-of-sensory-pathways-in-female-and-male-geriatric-rhesus-monkeys-macaca-mulatta-and-its-relation-to-oxidative-stress
#17
A Ibáñez-Contreras, U Hernández-Arciga, A Poblano, M Arteaga-Silva, B Hernández-Godínez, G I Mendoza-Cuevas, R Toledo-Pérez, A Alarcón-Aguilar, V Y González-Puertos, M Konigsberg
Synapses loss during aging has been related to decreased neuronal excitability and reduced electrophysiological activity in the nervous system, as well as to increased brain damage. Those physiological and biochemical alterations have been related to the oxidative stress increase associated with old age. The main substrate of lipid peroxidation (LPX) in the central and peripheral nervous systems are the myelin sheaths, and their damage generates a delayed nerve conduction velocity. However, studies in which the neural conduction velocity is related to changes in the redox state are still lacking...
November 13, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29145311/pulmonary-hypertension-as-a-manifestation-of-mitochondrial-disease-a-case-report-and-review-of-the-literature
#18
Shan Xu, Xiaoling Xu, Jisong Zhang, Kejing Ying, Yuquan Shao, Ruifeng Zhang
BACKGROUND: Mitochondrial diseases are a group of multisystem heterogeneous diseases caused by pathologic dysfunction of the mitochondrial respiratory chain. A wide range of clinical expression has been described. However, pulmonary hypertension has rarely been described in association with mitochondrial disease until the past decade, and there is no currently recognized treatment for the pulmonary hypertension complicated with mitochondrial disorder. PATIENT CONCERNS: We reported the case of a 15-year-old boy who presented with shortness of breath and exercise limitation after a cold, and the diagnosis of pulmonary hypertension was confirmed by right heart catheter...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29142834/two-stage-thyroidectomy-in-the-era-of-intraoperative-neuromonitoring
#19
Christos Christoforides, Ioannis Papandrikos, Georgios Polyzois, Nikolaos Roukounakis, Gianlorenzo Dionigi, Kyriakos Vamvakidis
Background: The use of intraoperative neuromonitoring (IONM) provides surgeons with real time information about recurrent laryngeal nerves (RLN) functional integrity. Hence, allowing them to modify the initially scheduled bilateral procedure, to a two-stage thyroidectomy in cases of loss of signal (LOS) on the first side of resection resulting in minimization of bilateral RLN injury. The purpose of our study was to present our results since the implementation of the above mentioned process in both malignant and benign thyroid disease...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29141725/comparison-of-enzyme-linked-immunosorbent-assay-using-either-natural-octyl-disaccharide-leprosy-idri-diagnostic-or-phenolic-glycolipid-i-antigens-for-the-detection-of-leprosy-patients-in-colombia
#20
Mónica Muñoz, Juan Camilo Beltrán-Alzate, Malcolm S Duthie, Héctor Serrano-Coll, Nora Cardona-Castro
Leprosy is a chronic infectious disease with a broad spectrum of manifestations. Delays in attaining correct diagnosis permit progressive peripheral nerve damage that can produce irreversible disabilities. Tests detecting antigen-specific antibodies can aid the diagnostic process and potentially detect patients earlier. Reported tests have lacked optimal sensitivity and specificity; however, the need to develop new tests to aid early diagnosis still remains. In this study, we determined the sensitivity, specificity, positive predictive value, and negative predictive value of enzyme-linked immunosorbent assay (ELISA) using natural octyl disaccharide-leprosy IDRI diagnostic (NDO-LID)...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
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