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https://www.readbyqxmd.com/read/29775800/insertion-and-presence-of-fine-wire-intramuscular-electrodes-to-the-lumbar-paraspinal-muscles-do-not-affect-muscle-performance-and-activation-during-high-exertion-spinal-extension-activities
#1
Szu-Ping Lee, Jo Armour Smith, Matthew Kimber, Kelsey Houk
BACKGROUND: Low back pain (LBP) is commonly associated with paraspinal muscle dysfunctions. A method to study deep lumbar paraspinal (i.e. multifidus) muscle function and neuromuscular activation pattern is intramuscular electromyography (EMG). Previous studies have shown that the procedure does not significantly impact muscle function during activities involving low-level muscle contractions. However, it is currently unknown how muscular function and activation are affected during high-exertion contractions...
May 15, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29774198/a-rare-cause-of-thoracic-spinal-cord-compression-by-multiple-large-tarlov-cysts
#2
Ahmed-Salem Kleib, Sidi-Mohamed Salihy, Hussein Hamdi, Romain Carron, Outouma Soumaré
Spinal extradural arachnoid cyst (SEAC) is a rare cause of spinal cord compression. Bifocal location of thoracic and sacral SEACs is rarely reported in the literature. We report a case of thoracic spinal cord compression by SEAC associated with asymptomatic multiple sacral Tarlov cysts (TC). The surgical management and postoperative outcome of the patient are discussed. A 34-year-old woman was referred to the hospital for acute thoracic pain with a history of chronic long-standing back pain. She complained of walking difficulties...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29774194/improper-use-of-thrombolytic-agents-in-acute-hemiparesis-following-misdiagnosis-of-acute-ischemic-stroke
#3
Min Chan Kim, Seok Won Kim
Objective: Acute hemiparesis is often an early presentation of acute ischemic stroke, though it can occur in various disorders. This study aimed to investigate the improper use of thrombolytic agents for patients with acute hemiparesis, following the misdiagnosis of acute ischemic stroke. Methods: We analyzed the clinical and radiological data of nine patients initially misdiagnosed with cerebral stroke in the emergency room from May 2013 to January 2017. All the patients were treated with tissue plasminogen activator (TPA) owing to the presence of acute hemiparesis...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773517/astrocytic-ca-2-responses-in-the-spinal-dorsal-horn-by-noxious-stimuli-to-the-skin
#4
Kohei Yoshihara, Tsuyoshi Matsuda, Yuta Kohro, Hidetoshi Tozaki-Saitoh, Kazuhide Inoue, Makoto Tsuda
The role of astrocytes in the spinal dorsal horn (SDH) for sensory information processing under normal conditions is poorly understood. In this study, we investigated whether SDH astrocytes respond to noxious and innocuous stimuli to the skin of normal mice using in vivo two-photon Ca2+ imaging under anesthesia. We found that noxious stimulation evoked by intraplantar formalin injection provoked an elevation in intracellular Ca2+ levels in SDH astrocytes. By contrast, neither instantaneous noxious pinching nor innocuous stimuli (cooling or brushing) to the hindpaw elicited astrocytic Ca2+ responses...
May 3, 2018: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29772859/-analysis-of-clinical-efficacy-of-unilateral-open-door-cervical-laminoplasty-combined-with-foraminotomy-for-cervical-ossification-of-posterior-longitudinal-ligament
#5
Feng Yang, Ming-Sheng Tan, Xiang-Sheng Tang, Liang-Hai Jiang, Ping Yi, Qing-Ying Hao
OBJECTIVE: To explore the clinical efficacy of unilateral open-door laminoplasty combined with foraminotomy for cervical ossification of posterior longitudinal ligament(OPLL). METHODS: The clinical data of 45 patients with OPLL underwent surgical treatment between September 2011 and September 2015 were retrospectively analyzed. There were 26 males and 19 females with a mean age of 53.6 years old(ranged from 28 to 71 years). Among them, 24 cases received the surgery of unilateral open-door cervical laminoplasty combined with foraminotomy(combined group), and 21 cases received a single unilateral open-door cervical laminoplasty(single group)...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29771606/improved-motor-unit-number-estimate-when-motor-unit-alternation-is-addressed
#6
Bradley A DeForest, Jeffrey Winslow, Christine K Thomas
Motor unit number estimation (MUNE) is important for determining motoneuron survival with age or in conditions such as amyotrophic lateral sclerosis or spinal cord injury. The original incremental method, or approaches introduced to minimize alternation (e.g. multiple point stimulation), are most commonly used but accept the limitation that alternation of motor units may still inflate the estimate. Alternation occurs because axon thresholds are probabilistic and overlap for different axons, therefore different combination of motor units may respond at a given stimulus intensity...
May 17, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29770521/nicotine-mediated-neuroprotection-of-rat-spinal-networks-against-excitotoxicity
#7
Jaspreet Kaur, Rossana Rauti, Andrea Nistri
Activation of neuronal nicotinic acetylcholine receptors (nAChRs) by nicotine is reported to protect brain neurons from glutamate excitotoxicity. We inquired whether a similar phenomenon can occur in the rat isolated spinal cord (or spinal slice culture) challenged by a transient (1 h) application of kainate (a powerful glutamate receptor agonist) to induce excitotoxicity mimicking spinal injury in vitro. We recorded spinal reflexes and fictive locomotion generated by the locomotor central pattern generator before and 24 h after applying kainate...
May 16, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29769079/a-consistency-evaluation-of-signal-to-noise-ratio-in-the-quality-assessment-of-human-brain-magnetic-resonance-images
#8
Shaode Yu, Guangzhe Dai, Zhaoyang Wang, Leida Li, Xinhua Wei, Yaoqin Xie
BACKGROUND: Quality assessment of medical images is highly related to the quality assurance, image interpretation and decision making. As to magnetic resonance (MR) images, signal-to-noise ratio (SNR) is routinely used as a quality indicator, while little knowledge is known of its consistency regarding different observers. METHODS: In total, 192, 88, 76 and 55 brain images are acquired using T2 * , T1 , T2 and contrast-enhanced T1 (T1 C) weighted MR imaging sequences, respectively...
May 16, 2018: BMC Medical Imaging
https://www.readbyqxmd.com/read/29768375/total-spondylectomy-of-recurrent-giant-cell-tumors-in-the-cervical-spine-two-case-reports-and-review-of-literature
#9
Ji Tu, Wentian Li, Shenglei Shu, Yukun Zhang, Wenbin Hua, Shuai Li, Shuhua Yang, Cao Yang
RATIONALE: Spinal Giant Cell Tumors (SGCTs) are rare, aggressive, and benign tumors. Their presence in the cervical spine is even more exceptional. There are few reports of cervical GCT in the literature, especially recurrent cases. The treatment are challenging to clinically because radical resection is extremely difficult. PATIENT CONCERNS: In this study, we present the cases of a 25-year-old man and a 41-year-old woman who suffered from recurrent cervical GCT...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29766046/deletion-of-tsc2-in-nociceptors-reduces-target-innervation-ion-channel-expression-and-sensitivity-to-heat
#10
Dan Carlin, Judith P Golden, Amit Mogha, Vijay K Samineni, Kelly R Monk, Robert W Gereau, Valeria Cavalli
The mechanistic target of rapamycin complex 1 (mTORC1) is known to regulate cellular growth pathways, and its genetic activation is sufficient to enhance regenerative axon growth following injury to the central or peripheral nervous systems. However, excess mTORC1 activation may promote innervation defects, and mTORC1 activity mediates injury-induced hypersensitivity, reducing enthusiasm for the pathway as a therapeutic target. While mTORC1 activity is required for full expression of some pain modalities, the effects of pathway activation on nociceptor phenotypes and sensory behaviors are currently unknown...
March 2018: ENeuro
https://www.readbyqxmd.com/read/29763654/obturator-neuromodulation-with-laparoscopic-placement-of-an-obturator-lead-for-the-treatment-of-intractable-opioid-dependent-chronic-pelvic-pain-due-to-obturator-neuralgia
#11
Richard P Marvel
Chronic pelvic pain(CPP) is a common condition in women that can have a devastating effect on quality of life. Some of the most severe forms of CPP are related to peripheral nerve injuries causing persistent neuropathic pain. This is a case of a young woman with severe opioid dependent chronic pelvic and right groin pain due to obturator neuralgia. She had failed a multitude of treatments including multiple medications, manual physical therapy, nerve blocks, surgical neurolysis and spinal cord stimulation without significant benefit...
May 12, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29762151/comparison-of-the-peripheral-antinociceptive-effect-of-somatostatin-with-bupivacaine-and-morphine-in-the-rodent-postoperative-pain-model
#12
Rahul Kumar, Mayank Gautam, Pranav Prasoon, Shivani Gupta, Subrata Basu Ray
BACKGROUND AND OBJECTIVES: Infiltration of surgical wound with local anaesthetics attenuate postoperative pain. However, side effects can also occur. Somatostatin (SST) and its analogues like octreotide reportedly reduce peripheral sensitisation. The current study evaluates peripherally mediated antinociceptive effect of SST in a rat model of postoperative pain. This was compared with bupivacaine and morphine under identical experimental conditions. DESIGN: Randomised vehicle-controlled blind study...
May 11, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29761250/sarcoma-in-neurofibromatosis-2-case-report-and-review-of-the-literature
#13
C Linder, M J Smith, M Bulman, A Wallace, A J Freemont, D C Mangham, D G R Evans
Neurofibromatosis type 2 (NF2) is associated with the development of several types of benign nervous system tumours, while malignancies are rare. We report a 22-year-old man who presented with retroperitoneal and spinal high-grade sarcomas with epithelial features. Samples showed a mixed epithelioid and spindled cell content with little associated matrix and inconclusive immunochemistry. Genetic analysis of a schwannoma and matched blood samples demonstrated a constitutional de novo substitution at the splice donor site of intron 8 of the NF2 gene and aa acquired large deletion of the entire NF2 gene as a second hit, with some loss of SMARCB1...
May 14, 2018: Familial Cancer
https://www.readbyqxmd.com/read/29761130/spinal-muscular-atrophy-with-respiratory-distress-type-1-a-child-with-atypical-presentation
#14
Annie Ting Gee Chiu, Sophelia Hoi Shan Chan, Shun Ping Wu, Shun Hin Ting, Brian Hon Yin Chung, Angel On Kei Chan, Virginia Chun Nei Wong
The authors report a child with spinal muscular atrophy with respiratory distress type 1 (SMARD1). She presented atypically with hypothyroidism and heart failure due to septal defects that required early heart surgery and microcephaly in association with cerebral atrophy and thin corpus collosum. The subsequent asymmetrical onset of diaphragmatic paralysis, persistent hypotonia, and generalized muscle weakness led to the suspicion of spinal muscular atrophy with respiratory distress type 1. Sanger sequencing confirmed a compound heterozygous mutation in the Immunoglobulin Mu Binding Protein 2 (IGHMBP2) gene, with a known mutation c...
2018: Child Neurology Open
https://www.readbyqxmd.com/read/29760648/profile-of-arachidonic-acid-derived-inflammatory-markers-and-its-modulation-by-nitro-oleic-acid-in-an-inherited-model-of-amyotrophic-lateral-sclerosis
#15
Andrés Trostchansky, Mauricio Mastrogiovanni, Ernesto Miquel, Sebastián Rodríguez-Bottero, Laura Martínez-Palma, Patricia Cassina, Homero Rubbo
The lack of current treatments for amyotrophic lateral sclerosis (ALS) highlights the need of a comprehensive understanding of the biological mechanisms of the disease. A consistent neuropathological feature of ALS is the extensive inflammation around motor neurons and axonal degeneration, evidenced by accumulation of reactive astrocytes and activated microglia. Final products of inflammatory processes may be detected as a screening tool to identify treatment response. Herein, we focus on (a) detection of arachidonic acid (AA) metabolization products by lipoxygenase (LOX) and prostaglandin endoperoxide H synthase in SOD1G93A mice and (b) evaluate its response to the electrophilic nitro-oleic acid (NO2 -OA)...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29760560/spinal-anesthesia-instead-of-general-anesthesia-for-infants-undergoing-tendon-achilles-lengthening
#16
EDITORIAL
Mohammad AlSuhebani, David P Martin, Lance M Relland, Tarun Bhalla, Allan C Beebe, Amanda T Whitaker, Walter Samora, Joseph D Tobias
Spinal anesthesia (SA) has been used relatively sparingly in the pediatric population, as it is typically reserved for patients in whom the perceived risk of general anesthesia is high due to comorbid conditions. Recently, concern has been expressed regarding the potential long-term neurocognitive effects of general anesthesia during the early stages of life. In view of this, our center has developed a program in which SA may be used as the sole agent for applicable surgical procedures. While this approach in children is commonly used for urologic or abdominal surgical procedures, there have been a limited number of reports of its use for orthopedic procedures in this population...
2018: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/29760552/patients-receiving-chiropractic-care-in-a-neurorehabilitation-hospital-a-descriptive-study
#17
Robert D Vining, Stacie A Salsbury, W Carl Cooley, Donna Gosselin, Lance Corber, Christine M Goertz
Objectives: Individuals rehabilitating from complex neurological injury require a multidisciplinary approach, which typically does not include chiropractic care. This study describes inpatients receiving multidisciplinary rehabilitation including chiropractic care for brain injury, spinal cord injury (SCI), stroke, and other complex neurological conditions. Design: Chiropractic services were integrated into Crotched Mountain Specialty Hospital (CMSH) through this project...
2018: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/29758356/the-influence-of-placebo-analgesia-manipulations-on-pain-report-the-nociceptive-flexion-reflex-and-autonomic-responses-to-pain
#18
Jamie L Rhudy, Yvette M Güereca, Bethany L Kuhn, Shreela Palit, Magne Arve Flaten
Expectations for pain relief and experience/conditioning are psychological factors that contribute to placebo analgesia, yet few studies have studied the physiological mechanisms underlying their effects. This study randomized 133 participants to 4 groups: an expectation only (E-only) group, a conditioning only (C-only) group, an expectation plus conditioning (E+C) group, and a natural history (NH) control group. Painful electric stimulations were delivered before and after an inert cream was applied to the site of stimulation...
May 11, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29757755/sinking-skin-flap-syndrome-after-decompressive-craniectomy-a-case-report
#19
Nicholas Fawley, Chiedozie Udeh
Sinking skin flap syndrome is a rare complication of decompressive craniectomy characterized by a sunken skin flap, neurological deterioration, and paradoxical herniation of the brain. An absent cranium allows for external compression via atmospheric pressure, causing alterations in cerebral blood flow, cerebral spinal fluid flow, and glucose metabolism, which ultimately leads to cortical dysfunction. This case report describes a patient with relatively early onset of variable neurological symptoms and imaging correlation, leading to a diagnosis and definitive therapeutic intervention with cranioplasty...
May 11, 2018: A&A practice
https://www.readbyqxmd.com/read/29756060/factors-associated-with-acute-and-chronic-pain-after-inguinal-herniorraphy
#20
Elif Erdogan, Ecder Ozenc
Objectives: The aim of this study was to analyse the relationship between types of anaesthesia, patients' demographic variables, preoperative emotional states and the prevalence of postoperative pain. Method: In this randomized prospective study, postoperative pain was assessed in 100 patients, who were ASA (American Society of Anaesthesiologist) I-II and between 18-65 years old, undergoing inguinal herniorrhaphy with either general or spinal anaesthesia. In addition, postoperative pain compared with patients' demographic properties and psychological conditions in each group was also considered...
April 2018: Romanian Journal of Anaesthesia and Intensive Care
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