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https://www.readbyqxmd.com/read/27930419/repetitive-facial-nerve-stimulation-using-occipitalis-muscle
#1
Turgut Adatepe, Ayşegül Gündüz, Ahmet Yldrm, Nurten Uzun
INTRODUCTION: We aimed to evaluate the reliability and reproducibility of repetitive nerve stimulation (RNS) recorded on occipitalis muscle by comparing recordings on nasalis muscle in healthy subjects. SUBJECTS: and methods: A total of 23 healthy subjects (mean age: 44.7±13.8 years) underwent detailed neurological examination and RNS using nasalis and occipitalis muscles. Amplitude and area percentage changes of CMAPs after RNS with different frequency were compared between right and left-sides and between recordings on nasalis and occipitalis muscles...
December 3, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27895925/somatic-neural-alterations-in-non-diabetic-obesity-a-cross-sectional-study
#2
Ram Lochan Yadav, Deepak Sharma, Prakash Kumar Yadav, Dev Kumar Shah, Kopila Agrawal, Rita Khadka, Md Nazrul Islam
BACKGROUND: Reports on alterations in somatic neural functions due to non-diabetic obesity, a major risk factor for diabetes, are few and still a matter of debate. Nevertheless, to our knowledge, reports lack any comments on the type of somatic nerve fibers affected in non-diabetic obesity. Therefore, this study aimed to find out the alteration in somatic neural functions in non-diabetic obese persons if any. METHODS: The study was conducted on 30 adult non-diabetic obese persons (mean age 32...
2016: BMC Obesity
https://www.readbyqxmd.com/read/27836905/electrophysiological-study-of-femoral-nerve-function-after-a-continuous-femoral-nerve-block-for-anterior-cruciate-ligament-reconstruction-a-randomized-controlled-single-blind-trial
#3
Kevin Stebler, Robin Martin, Kyle Robert Kirkham, Thierry Küntzer, Istvan Bathory, Eric Albrecht
BACKGROUND: A continuous femoral nerve block (CFNB) is an effective analgesic treatment after anterior cruciate ligament (ACL) reconstruction but may result in transient femoral nerve injuries and quadriceps muscle weakness, which in turn contribute to worsened functional outcomes. PURPOSE: To compare electrophysiological criteria of a femoral nerve injury as well as functional and pain-related outcomes after ACL reconstruction when analgesia was provided by a CFNB or intravenous patient-controlled analgesic of morphine (IV PCA)...
November 11, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27819419/clinical-significance-of-repetitive-compound-muscle-action-potentials-in-patients-with-myasthenia-gravis-a-predictor-for-cholinergic-side-effects-of-acetylcholinesterase-inhibitors
#4
Hyo Eun Lee, Yool Hee Kim, Seung Min Kim, Ha Young Shin
BACKGROUND AND PURPOSE: Acetylcholinesterase inhibitors (AChEIs) are widely used to treat myasthenia gravis (MG). Although AChEIs are usually tolerated well, some MG patients suffer from side effects. Furthermore, a small proportion of MG patients show cholinergic hypersensitivity and cannot tolerate AChEIs. Because repetitive compound muscle action potentials (R-CMAPs) are an electrophysiologic feature of cholinergic neuromuscular hyperactivity, we investigated the clinical characteristics of MG patients with R-CMAPs to identify their clinical usefulness in therapeutic decision-making...
October 2016: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/27816166/-perineural-dexmedetomidine-effects-on-sciatic-nerve-in-rat
#5
Abdulkadir Yektaş, Murat Çabalar, Mehmet Sar, Ayşin Alagöl, Duygu Sultan Çelik, Vildan Yayla, Deniz Tolga
The present study was designed to test the hypothesis that high dose dexmedetomidine would increase the duration of antinociception to a thermal stimulus in a rat model of sciatic nerve blockade without causing nerve damage. The rats were anesthetized with isoflurane. After electromyography (EMG) recordings, right sciatic nerves were explored and perineural injections were delivered: Group D (n=7), 40μgμgkg(-1) dexmedetomidine administration, Group II (n=6), (0.2mL) saline administration, Group III (n=2), only surgically exploration of the right sciatic nevre...
November 2, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27789383/differential-responses-of-spinal-motoneurons-to-fatigue-induced-by-short-lasting-repetitive-and-isometric-tasks
#6
Antonio Madrid, Josep Valls-Solé, Antonio Oliviero, Javier Cudeiro, Pablo Arias
Compared to isometric activities, the neural basis of fatigue induced by repetitive tasks has been scarcely studied. Recently, we showed that during short-lasting repetitive tasks at the maximal possible rate (finger tapping for 10 and 30s), tapping rate and maximal voluntary contraction (MVC) force decrease at the end of finger tapping. We also observed larger silent periods (SP) induced by transcranial magnetic stimulation during MVC post finger tapping. However, if SP were induced by cervicomedullary stimulation (CMS) they remained unchanged...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27789344/behavioral-and-electromyographic-assessment-of-oxaliplatin-induced-motor-dysfunctions-evidence-for-a-therapeutic-effect-of-allopregnanolone
#7
Omar Taleb, Fateh Bouzobra, Hava Tekin-Pala, Laurence Meyer, Ayikoé, G Mensah-Nyagan, Christine Patte-Mensah
The antineoplastic oxaliplatin (OXAL) is pivotal for metastatic cancer treatments. However, OXAL evokes sensory and motor side-effects including pain, muscle weakness, motor nerve fiber dysfunctions/neuropathies that significantly impact patients' lives. Therefore, preclinical investigations are struggling to characterize effective analgesics against OXAL-induced painful/sensory symptoms but surprisingly, OXAL-evoked motor dysfunctions received little attention although these neurological symptoms are also disabling for patients...
October 24, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27778232/a-computational-systems-biology-approach-for-identifying-candidate-drugs-for-repositioning-for-cardiovascular-disease
#8
Alvin Z Yu, Stephen A Ramsey
We report an in silico method to screen for receptors or pathways that could be targeted to elicit beneficial transcriptional changes in a cellular model of a disease of interest. In our method, we integrate: (1) a dataset of transcriptome responses of a cell line to a panel of drugs; (2) two sets of genes for the disease; and (3) mappings between drugs and the receptors or pathways that they target. We carried out a gene set enrichment analysis (GSEA) test for each of the two gene sets against a list of genes ordered by fold-change in response to a drug in a relevant cell line (HL60), with the overall score for a drug being the difference of the two enrichment scores...
October 24, 2016: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/27764971/effect-of-electrical-stimulation-as-an-adjunct-to-botulinum-toxin-type-a-in-the-treatment-of-adult-spasticity-a-systematic-review
#9
Domenico Intiso, Andrea Santamato, Filomena Di Rienzo
OBJECTIVE: To investigate whether electrical stimulation (ES) as an adjunct to BTX-A boosts botulinum activity and whether the combined therapeutic procedure is more effective than BTX-A alone in reducing spasticity in adult subjects. DATA SOURCES: A search was conducted in PubMed, EMBASE, Cochrane Central Register, and CINAHL from January 1966 to January 2016. STUDY SELECTION: Only randomized controlled studies (RCT) involving the combination of BTX-A and ES were considered...
October 21, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27756228/drug-discovery-using-clinical-outcome-based-connectivity-mapping-application-to-ovarian-cancer
#10
Rama Raghavan, Stephen Hyter, Harsh B Pathak, Andrew K Godwin, Gottfried Konecny, Chen Wang, Ellen L Goode, Brooke L Fridley
BACKGROUND: Epithelial ovarian cancer (EOC) is the fifth leading cause of cancer death among women in the United States (5 % of cancer deaths). The standard treatment for patients with advanced EOC is initial debulking surgery followed by carboplatin-paclitaxel combination chemotherapy. Unfortunately, with chemotherapy most patients relapse and die resulting in a five-year overall survival around 45 %. Thus, finding novel therapeutics for treating EOC is essential. Connectivity Mapping (CMAP) has been used widely in cancer drug discovery and generally has relied on cancer cell line gene expression and drug phenotype data...
October 19, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27753733/cauda-equina-conduction-time-determined-by-f-waves-in-normal-subjects-and-patients-with-neurogenic-intermittent-claudication-caused-by-lumbar-spinal-stenosis
#11
Yasuaki Imajo, Tsukasa Kanchiku, Hidenori Suzuki, Masahiro Funaba, Norihiro Nishida, Kazuhiro Fujimoto, Toshihiko Taguchi
INTRODUCTION: Lumbar spinal stenosis (LSS) typically presents with neurogenic intermittent claudication (NIC). The aim is to investigate cauda equina conduction time (CECT) in patients with NIC caused by LSS and its relationship with age and body height in normal subjects. METHODS: The study included 172 normal subjects (mean age 44.1 ± 16.6 years; mean height 163.7 ± 8.9 cm). (Group C) 47 patients (mean age 71.3 ± 8.7 years; mean height 158.8 ± 11.2 cm) underwent surgery due to NIC in cauda equina type for LSS...
October 5, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27751623/phrenic-nerve-stimulation-is-more-sensitive-than-ultrasound-measurement-of-diaphragm-thickness-in-assessing-early-als-progression
#12
Susana Pinto, Pedro Alves, Michael Swash, Mamede de Carvalho
AIMS OF THE STUDY: To compare the assessment of respiratory decline with conventional tests, measurement of diaphragm compound muscle action potential (CMAP) to phrenic nerve stimulation and diaphragm thickness to ultrasound (US) investigation in amyotrophic lateral sclerosis (ALS) patients followed for a short period of time. PATIENTS AND METHODS: We evaluated in 40 consecutive ALS patients, the clinical functional scale (ALSFRS-R), forced vital capacity (FVC), maximal voluntary ventilation (MVV), maximal inspiratory (MIP) and expiratory (MEP) pressures, sniff nasal inspiratory pressure (SNIP), Diaphragm-CMAP (latency and amplitude) and diaphragm US (maximal and minimal diaphragm thickness during full inspiration and expiration, respectively)...
October 14, 2016: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/27749616/a-randomized-prospective-comparison-of-ultrasound-guided-and-landmark-guided-steroid-injections-for-carpal-tunnel-syndrome
#13
Fariba Eslamian, Bina Eftekharsadat, Arash Babaei-Ghazani, Fateme Jahanjoo, Mojgan Zeinali
INTRODUCTION: The aim of this study was to compare the clinical and electrodiagnostic efficacy of ultrasound (US) guided vs. landmark (LM) guided steroid injections in patients with carpal tunnel syndrome (CTS). METHODS: This randomized clinical trial included 47 patients (60 affected hands) with moderate CTS (30 hands in each group). All clinically suspected CTS patients who met the inclusion criteria confirmed by electrodiagnostic tests were enrolled. The subjects received 40mg of methylprednisolone either with the US-guide or the LM -guide injection technique...
October 1, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27737314/analyzing-gene-expression-profiles-in-dilated-cardiomyopathy-via-bioinformatics-methods
#14
Liming Wang, L Zhu, R Luan, L Wang, J Fu, X Wang, L Sui
Dilated cardiomyopathy (DCM) is characterized by ventricular dilatation, and it is a common cause of heart failure and cardiac transplantation. This study aimed to explore potential DCM-related genes and their underlying regulatory mechanism using methods of bioinformatics. The gene expression profiles of GSE3586 were downloaded from Gene Expression Omnibus database, including 15 normal samples and 13 DCM samples. The differentially expressed genes (DEGs) were identified between normal and DCM samples using Limma package in R language...
October 10, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27736033/four-year-sequential-nerve-conduction-changes-since-first-visit-in-japanese-patients-with-early-type-2-diabetes
#15
Mariko Kobori, Soroku Yagihashi, Norie Shiina, Nana Shiozawa, Akiko Haginoya, Misato Ojima, Satako Douguchi, Atsuko Tamasawa, Miyoko Saitou, Masayuki Baba, Takeshi Osonoi
AIMS/INTRODUCTION: Despite being the most common complication of diabetes, the pattern of clinical development of diabetic neuropathy is not well-known. In the present study, we retrospectively examined sequential changes in nerve conduction studies (NCS) for 4 years to characterize the way neuropathic changes develop in patients with type 2 diabetes. MATERIALS AND METHODS: We randomly selected 158 patients with type 2 diabetes who newly visited Naka Memorial Clinic, Ibaraki, Japan, and underwent serial 4-year NCS...
October 13, 2016: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/27703845/identify-potential-drugs-for-cardiovascular-diseases-caused-by-stress-induced-genes-in-vascular-smooth-muscle-cells
#16
Chien-Hung Huang, Jin-Shuei Ciou, Shun-Tsung Chen, Victor C Kok, Yi Chung, Jeffrey J P Tsai, Nilubon Kurubanjerdjit, Chi-Ying F Huang, Ka-Lok Ng
BACKGROUND: Abnormal proliferation of vascular smooth muscle cells (VSMC) is a major cause of cardiovascular diseases (CVDs). Many studies suggest that vascular injury triggers VSMC dedifferentiation, which results in VSMC changes from a contractile to a synthetic phenotype; however, the underlying molecular mechanisms are still unclear. METHODS: In this study, we examined how VSMC responds under mechanical stress by using time-course microarray data. A three-phase study was proposed to investigate the stress-induced differentially expressed genes (DEGs) in VSMC...
2016: PeerJ
https://www.readbyqxmd.com/read/27686434/-an-analysis-of-characteristics-of-nerve-conduction-in-154-cases-of-amyotrophic-lateral-sclerosis
#17
Y T Ren, F Cui, F Yang, Z H Chen, L Ling, X S Huang
Objective: To analyze the features of nerve conduction in patients with amyotrophic lateral sclerosis (ALS), and explore the correlation between compound muscle action potential (CMAP) amplitude and disease duration and revised amyotrophic lateral sclerosis functional rating scale (ALSFRS-R). Methods: Standard motor and sensory nerve conduction studies were performed in 154 patients with ALS. The following parameters were collected including CMAP amplitude, distal motor latency (DML), motor conduction velocity, sensory conduction velocity and sensory nerve action potential amplitude...
October 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27664700/radiation-protective-effects-of-baclofen-predicted-by-a-computational-drug-repurposing-strategy
#18
Lei Ren, Dafei Xie, Peng Li, Xinyan Qu, Xiujuan Zhang, Yaling Xing, Pingkun Zhou, Xiaochen Bo, Zhe Zhou, Shengqi Wang
Exposure to ionizing radiation causes damage to living tissues; however, only a small number of agents have been approved for use in radiation injuries. Radioprotector is the primary countermeasure to radiation injury and none radioprotector has indeed reached the drug development stage. Repurposing the long list of approved, non-radioprotective drugs is an attractive strategy to find new radioprotective agents. Here, we applied a computational approach to discover new radioprotectors in silico by comparing publicly available gene expression data of ionizing radiation-treated samples from the Gene Expression Omnibus (GEO) database with gene expression signatures of more than 1309 small-molecule compounds from the Connectivity Map (cmap) dataset...
September 21, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27635950/connectivity-map-identifies-hdac-inhibition-as-a-treatment-option-of-high-risk-hepatoblastoma
#19
Alexander Beck, Corinna Eberherr, Michaela Hagemann, Stefano Cairo, Beate Häberle, Christian Vokuhl, Dietrich von Schweinitz, Roland Kappler
Hepatoblastoma (HB) is the most common liver tumor of childhood, usually occurring in children under the age of 3 y. The prognosis of patients presenting with distant metastasis, vascular invasion and advanced tumor stages remains poor and children that do survive often face severe late effects from the aggressive chemotherapy regimen. To identify potential new therapeutics for high risk HB we used a 1,000-gene expression signature as input for a Connectivity Map (CMap) analysis, which predicted histone deacetylase (HDAC) inhibitors as a promising therapy option...
September 16, 2016: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/27607534/systemic-transplantation-of-bone-marrow-mononuclear-cells-promotes-axonal-regeneration-and-analgesia-in-a-model-of-wallerian-degeneration
#20
Vanina Usach, Mariana Malet, Margarita López, Lucía Lavalle, Gonzalo Piñero, María Saccoliti, Alicia Cueto, Pablo Brumovsky, Alicia Brusco, Patricia Setton-Avruj
BACKGROUND: Reinnervation timing after nerve injury is critical for favorable axonal regeneration, remyelination and clinical improvement. Considering bone marrow mononuclear cells (BMMC) are easily obtained and readily available for transplant, this work analyzed the effect of BMMC systemic administration on nerve repair and pain behavior. METHODS: Adult rats with sciatic nerve crush were immediately and systemically injected BMMC through the caudal artery. Nontreated, sham and naïve rats were also included...
September 8, 2016: Transplantation
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