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So Hee Park, Ikchan Jeon, Sang Woo Kim
OBJECTIVE: The aim of this study is to evaluate the values of ProSet magnetic resonance coronal source imaging (ProSet MR imaging) as a diagnostic tool for detecting symptomatic lesion in patients with multiple lumbar foraminal stenosis. PATIENTS AND METHODS: From January 2011 to June 2015, 46 patients with unilateral and single-level radiculopathy developed from foraminal stenosis were enrolled in the study. These diagnoses were confirmed with transforaminal selective nerve root block (SNRB) and electrophysiological testing, including electromyography and nerve conduction velocity (EMG/NCV) tests...
November 2016: Clinical Neurology and Neurosurgery
Zhaoxi Cai, Yi Li, Zhen Hu, Ruying Fu, Xiaoming Rong, Rong Wu, Jinping Cheng, Xiaolong Huang, Jinjun Luo, Yamei Tang
Radiation-induced brachial plexopathy (RIBP) is one of the late complications in nasopharyngeal carcinoma (NPC) patients who received radiotherapy. We conducted a retrospective study to investigate its clinical characteristics and risk factors.Thirty-onepatients with RIBP after radiotherapy for NPC were enrolled. Clinical manifestations of RIBP, electrophysiologic data, magnetic resonance imaging (MRI), and the correlation between irradiation strategy and incidence of RIBP were evaluated. The mean latency at the onset of RIBP was 4...
April 5, 2016: Oncotarget
Qian Xiong, Bing Lu, Hongying Ye, Xia Wu, Tiansong Zhang, Yiming Li
AIMS: This study aims to evaluate the diagnostic capabilities of neuropathy symptom and change (NSC) score, neuropathy impairment score (NIS) and Michigan neuropathy screening instrument (MNSI) in diagnosing diabetic peripheral neuropathy (DPN). METHODS: A total of 131 patients with type II diabetes received NSC, NIS and MNSI scoring systems. Electromyography/nerve conduction velocity (EMG/NCV) test was taken as gold standard. Correlations between EMG/NCV test and the 3 scorings, and their sensitivity, specificity, positive and negative predictive values, accuracy and kappa (x03BA;) value were analyzed...
2015: European Neurology
Ercan Yarar, Enis Kuruoglu, Ersoy Kocabıcak, Adnan Altun, Eyup Genc, Hamit Ozyurek, Mehmet Kefeli, Abdullah Hilmi Marangoz, Keramettin Aydın, Cengiz Cokluk
AIM: The aim of this study was to evaluate electrophysiological and histopathological effects of mesenchymal stem cells in treatment of sciatic nerve injury. MATERIAL AND METHODS: Thirty-two female Spraque-Dawley rat were used in this study. Eight rats were used as a reference group in electrophysiological analysis for evaluation of non-injured nerve recordings (Control Group). Twenty-four rats were used for experimental evaluation. Twelve rats were anastomosed without treatment with mesenchymal stem cells (Sham Group) and twelve other rats were anastomosed and treated with mesenchymal stem cells (Stem Cell Group)...
2015: International Journal of Clinical and Experimental Medicine
Kamal Seyed Forootan, Siamak Farokh Forghani, Seyed Pezhman Madani, Hamid Karimi Estahbanati, Nazilla Sadat Seyed Forootan
BACKGROUND: Nerve injuries resulting from major or minor trauma often cause some disabilities for patients. Neurotmesis, characterized by complete anatomical rupture of the nerve, is the most severe form of the injury which will not recover without reconstructive surgery and nowadays such neural damages are improved by microsurgical procedures. Some studies have used low power laser for nerve cell growth in order to improve the rehabilitation results of peripheral nerves. Low power laser can complement the reformation of postsurgical nerve injuries...
May 2015: Trauma Monthly
Gregory T Carter, Michael D Weiss
Proximal median (PMNE) and radial (RNE) nerve entrapment syndromes are uncommon. This article provides an evidenced-based treatment guideline for PMNE and RNE based on the available literature. Arriving at an accurate diagnosis must involve an electrodiagnostic (EDx) workup. EDx, including nerve conduction velocity studies and needle electromyography, should corroborate the clinical diagnosis and must be done before consideration of any surgical treatment. Conservative care includes rest, modified activities, splinting at wrist and elbow, physical therapy, antiinflammatory drug therapy, and corticosteroid injections...
August 2015: Physical Medicine and Rehabilitation Clinics of North America
Jung-Tung Liu, Cheng-Siu Chang, Chen-Hsing Su, Cho-Shun Li
Perfusion difference is used as a parameter to evaluate microcirculation. This study aims to differentiate lower-limb perfusion insufficiency from neuropathy to prevent possible occurrence of failed back surgery syndrome (FBSS).Patients were retrospectively gathered from 134 FBSS cases diagnosed in the past 7 years. Up to 82 cases that were excluded from neuralgia by radiologic imaging, electrodiagnostic electromyography, and nerve conduction velocity were enrolled in this study. Perfusion difference was evaluated by single-photon emission computed tomography, and pain intensities were recorded via visual analog scale (VAS) score...
July 2015: Medicine (Baltimore)
Matthias Gmeiner, Raffi Topakian, Manuel Göschl, Sarah Wurm, Anita Holzinger, Willem J R van Ouwerkerk, Kurt Holl
PURPOSE: An accessory to suprascapular nerve (XIN-SSN) transfer is considered in patients with obstetric brachial plexus lesion who fail to recover active shoulder external rotation. The aim of this study was to evaluate the quality of extraplexal suprascapular nerve neurotization and to perform a detailed analysis of the infraspinatus muscle (IM) and shoulder external rotation. METHODS: A XIN-SSN transfer was performed in 14 patients between 2000 and 2007. Patients had been operated at the age of 3...
September 2015: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Richard Foy
Healthy partnerships with hospital administration are essential for any neurodiagnostics program to experience growth and development. The differing backgrounds of business-oriented administrators and clinically oriented technologists can result in challenges with various departmental initiatives and lead to ineffective outcomes when seeking to balance high-quality, patient-oriented care with efficient and profitable operations. Over the course of a two-year period, The University of Texas Medical Branch at Galveston (UTMB Health) implemented several changes that have led to better patient care outcomes...
March 2015: Neurodiagnostic Journal
Liangfu Jiang, Yan Zheng, Ou Chen, Tinggang Chu, Jian Ding, Qing Yu
OBJECTIVE: To evaluate the effects of differentiated adipose-derived stem cells (dADSC) and chondroitinase ABC (ChABC)-treated acellular nerves (ACN) in building artificial nerves and repairing nerve defects. METHODS: ADSC were isolated from the adipose tissue of Wistar rats, induced to differentiate into Schwann-like cells, and implanted into ChABC-treated ACN to repair a 15-mm sciatic nerve defect in Sprague Dawley (SD) rats (the experimental group, group D). The control groups were an autologous nerve transplantation group (group E); ACN (group A), ChABC-treated ACN graft group (group B), and dADSC + ACN (group C)...
May 22, 2015: International Journal of Neuroscience
Alexandra B Lämmer, Stefan Schwab, Axel Schramm
INTRODUCTION: Sonography in classical nerve entrapment syndromes is an established and validated method. In contrast, few publications highlight lesions of the radial nerve, particularly of the posterior interosseus nerve (PIN). METHOD: Five patients with a radial nerve lesion were investigated by electromyography, nerve conduction velocity and ultrasound. Further normative values of 26 healthy subjects were evaluated. RESULTS: Four patients presented a clinical and electrophysiological proximal axonal radial nerve lesion and one patient showed a typical posterior interosseous nerve syndrome (PINS)...
2015: PloS One
Marcin Wrzosek, Elżbieta Giza, Marta Płonek, Przemysław Podgórski, Marc Vandevelde
BACKGROUND: Alexander disease is a rare neurodegenerative disorder that has not often been described in dogs. None of the existing descriptions include electrodiagnostic or magnetic resonance imaging workup. This is the first presentation of the results of an electrodiagnostic evaluation including electromyography, motor nerve conduction velocity, F-wave, the brainstem auditory evoked response and magnetic resonance imaging of a dog with Alexander disease. CASE PRESENTATION: A six month old male entire Bernese mountain dog was presented with central nervous system symptoms of generalized tremor, general stiffness, decreased proprioceptive positioning, a reduced menace response, decreased physiological nystagmus, myotonic spasms and increased spinal reflexes which progressed to lateral recumbency...
2015: BMC Veterinary Research
Engy A Mogahed, Marian Y Girgis, Rodina Sobhy, Hala Elhabashy, Osama M Abdelaziz, Hanaa El-Karaksy
UNLABELLED: Glycogen storage disease type III (GSD III) may present with hepatic disease or may involve both skeletal and cardiac muscles as well. To assess the prevalence of neuromuscular and cardiac involvement in a group of children with GSD III, 28 children with GSD III, diagnosed by enzymatic assay, were enrolled in the study after an informed consent was obtained from their parents/guardians and after the study protocol was approved by our institutional ethical committee. Their mean age was 6...
November 2015: European Journal of Pediatrics
Yong-hua Zhou, Jun-feng Yang, Yong-liang Xu, Yu-han Yin, Ying Zhang, Xiao-lin Gu, Jing Yang
OBJECTIVE: To observe the dynamic changes of sciatic nerve conduction velocity of Toxoplasma gondii-infected rats at different time points. METHODS: Twenty SD rats were randomly divided into control group and Toxoplasma gondii infection group. Rats in T. gondii infection group were intraperitoneal injected with 4x10(7) T. gondii tachyzoites, while those in control group were given equivalent normal saline. Motor and sensory nerve conduction velocities (MNCV, SNCV) in sciatic nerve were measured by Medtronic Keypoint4 Workstation electromyography at pre-infection, and 2, 4, 8, 12 months post-infection...
December 2014: chinese Journal of Parasitology & Parasitic Diseases
Shouyao Liu, Rongguo Wang, Dan Luo, Qianwei Xu, Cheng Xiao, Peng Lin, Zhange Yu, Xuanji Zhao, Rongrong Cai, Jinhui Ma, Qingxi Zhang, Yunting Wang
BACKGROUND: Our preliminary studies indicated that electroacupuncture (EA) at the ST36 and Ashi acupoints could promote regeneration of the rabbit gastrocnemius (GM) by improving microcirculation perfusion, promoting the recovery of myofiber structures, and inhibiting excessive fibrosis. However, the effects of EA on recovery of the electrophysiological properties of the GM after contusion are not yet clear. Thus, the purpose of this study was to investigate the effects of EA at the Zusanli (ST36) and Ashi acupoints with regard to recovery of the electrophysiological properties of the rabbit GM after contusion...
2015: BMC Complementary and Alternative Medicine
Isha S Deshmukh, Akash B Bang, Manish A Jain, Krishna Y Vilhekar
Acute disseminated encephalomyelitis (ADEM) and Guillain-Barré syndrome (GBS) are distinct demyelinating disorders that share an autoimmune pathogenesis and prior history of viral infection or vaccination. Our patient is a 10 years with acute flaccid paralysis, quadriparesis (lower limbs affected more than upper limbs), generalized areflexia and urinary retention. He had difficulty in speech and drooling of saliva. He also presented with raised intracranial pressure with papilledema; then bilateral optic neuritis developed during the later course of illness...
January 2015: Journal of Pediatric Neurosciences
Zain Boghani, Andrew D Livingston, Ericka P Simpson, Paul J Holman, Robert G Grossman
BACKGROUND: Guillain-Barré syndrome (GBS) is an acute peripheral neuropathy caused by an autoimmune response against myelin of peripheral nerves. GBS has been reported after surgery, in general, and after spinal surgery, in particular. In most cases, GBS developed 1-3 weeks after surgery. METHODS: Report of 2 cases of GBS after elective spine surgery that developed in the immediate postoperative period. RESULTS: Within 1 and 3 hours after surgery, respectively, both patients developed ascending loss of motor and sensory function...
August 2015: World Neurosurgery
Guan-Heng He, Jing-Wen Ruan, Yuan-Shan Zeng, Xin Zhou, Ying Ding, Guang-Hui Zhou
Peripheral nerve injury not only affects the site of the injury, but can also induce neuronal apoptosis at the spinal cord. However, many acupuncture clinicians still focus only on the injury site, selecting acupoints entirely along the injured nerve trunk and neglecting other regions; this may delay onset of treatment efficacy and rehabilitation. Therefore, in the present study, we compared the clinical efficacy of acupuncture at Governor vessel and local meridian acupoints combined (GV/LM group) with acupuncture at local meridian acupoints alone (LM group) in the treatment of patients with peripheral nerve injury...
January 2015: Neural Regeneration Research
Ran Schwarzkopf, Phuc Dang, Michele Luu, Tahseen Mozaffar, Ranjan Gupta
BACKGROUND: Tranexamic acid is a safe and effective antifibrinolytic agent used systemically and topically to reduce blood loss and transfusion rate in patients having TKA or THA. As the hip does not have a defined capsule, topical application of tranexamic acid may entirely envelop the sciatic nerve during THA. Accidental application of tranexamic acid onto the spinal cord in spinal anesthesia has been shown to produce seizures; therefore, we sought to investigate if topical application of tranexamic acid on the sciatic nerve has a deleterious effect...
March 2015: Clinical Orthopaedics and related Research
Dong-Yeon Kim, Yong-Seong Choi, Sung-Eun Kim, Jung-Ho Lee, Sue-Min Kim, Young-Jin Kim, Jong-Won Rhie, Young-Joon Jun
There have been many attempts for regeneration of peripheral nerve injury. In this study, we examined the in vivo effects of non-differentiated and neuronal differentiated adipose-derived stem cells (ADSCs) in inducing the neuronal regeneration in the Sprague-Dawley (SD) rats undergoing nerve defect bridged with the PCL nanotubes. Then, we performed immunohistochemical and histopathologic examinations, as well as the electromyography, in three groups: the control group (14 sciatic nerves transplanted with the PCL nanotube scaffold), the experimental group I (14 sciatic nerves with the non-differentiated ADSCs at a density of 7×10(5) cells/0...
November 2014: Journal of Korean Medical Science
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