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https://www.readbyqxmd.com/read/28636927/noxious-but-not-innocuous-thermal-stimuli-evoke-perk-expression-in-dorsal-horn-neurons-after-spared-nerve-injury-in-adult-rats
#1
Mohamad S Samour, Sumaiya M Shaikh, David A Mahns, Peter J Shortland
Noxious stimulation of sensory afferents evokes phosphorylated extracellular signal regulated kinase (pERK) expression in spinal cord neurons. This study investigated the expression of pERK in the dorsal horn neurons in response to innocuous and noxious cold stimuli in naïve versus spared nerve injury (SNI) rats. Noxious cold or hot stimuli (0 or 45°C) elicited pERK expression in laminae I-II whereas cooling stimuli from 32°C to 25, 15 or 5°C produced no or little pERK expression in dorsal horn neurons...
June 18, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28635523/long-term-paired-associative-stimulation-enhances-motor-output-of-the-tetraplegic-hand
#2
Aleksandra Tolmacheva, Sarianna Savolainen, Erika Kirveskari, Pantelis Lioumis, Linda Kuusela, Nina Maria Brandstack, Aarne Ylinen, Jyrki Mäkelä, Anastasia Shulga
A large proportion of spinal cord injuries are incomplete. Even in clinically complete injuries, silent nonfunctional connections can be present. Therapeutic approaches that can strengthen transmission in weak neural connections to improve motor performance are needed. Our aim was to determine whether long-term delivery of paired associative stimulation (PAS, a combination of transcranial magnetic stimulation (TMS) with peripheral nerve stimulation (PNS)) can enhance motor output in the hands of patients with chronic traumatic tetraplegia, and to compare this technique with long-term PNS...
June 21, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28634513/correlation-of-lumbar-lateral-recess-stenosis-in-magnetic-resonance-imaging-and-clinical-symptoms
#3
Annina Splettstößer, M Fawad Khan, Bernd Zimmermann, Thomas J Vogl, Hanns Ackermann, Marcus Middendorp, Adel Maataoui
AIM: To assess the correlation of lateral recess stenosis (LRS) of lumbar segments L4/5 and L5/S1 and the Oswestry Disability Index (ODI). METHODS: Nine hundred and twenty-seven patients with history of low back pain were included in this uncontrolled study. On magnetic resonance images (MRI) the lateral recesses (LR) at lumbar levels L4/5 and L5/S1 were evaluated and each nerve root was classified into a 4-point grading scale (Grade 0-3) as normal, not deviated, deviated or compressed...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28634320/comparison-of-2-analgesia-modalities-in-total-knee-replacement-surgery-is-there-an-effect-on-knee-function-rehabilitation
#4
Janis Zinkus, Lina Mockutė, Arūnas Gelmanas, Ramūnas Tamošiūnas, Arūnas Vertelis, Andrius Macas
BACKGROUND We compared the effects of continuous femoral nerve block (CFNB) and continuous intraarticular block (CIAB) on pain, functional recovery and adverse effects after total knee arthroplasty (TKA). MATERIAL AND METHODS We prospectively randomized 54 patients undergoing TKA into 2 groups: CFNB (Group F) and CIAB (Group I). Surgery was performed under spinal anesthesia. All patients received patient-controlled analgesia (PCA) with morphine, diclofenac, and acetaminophen for the first 72 h postoperatively...
June 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28633155/regional-anesthesia-and-pain-medicine-us-anesthesiology-resident-training-the-year-2015
#5
Joseph M Neal, Anne Gravel Sullivan, Richard W Rosenquist, Dan J Kopacz
BACKGROUND AND OBJECTIVES: The Anesthesiology Review Committee of the Accreditation Council for Graduate Medical Education sets core requirements for residency program accreditation. We periodically report and analyze the US anesthesiology residents' training experience in regional anesthesia and pain medicine. METHODS: Resident caseload, procedure, and pain medicine evaluation data were aggregated for the resident cohort who graduated in 2015. These data were analyzed for present-day experience and compared with previous reports from years 1980, 1990, and 2000 graduates...
July 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28632021/neuromyelitis-optica-application-of-computer-diagnostics-to-historical-case-reports
#6
Pablo Garcia Reitboeck, Peter Garrard, Timothy Peters
The retrospective diagnosis of illnesses by medical historians can often be difficult and prone to bias, although knowledge of the medical disorders of historical figures is key to the understanding of their behavior and reactions. The recent application of computer diagnostics to historical figures allows an objective differential diagnosis to be accomplished. Taking an example from clinical neurology, we analyzed the earliest reported cases of Devic's disease (neuromyelitis optica) that commonly affects the optic nerve and spinal cord and was previously often confused with multiple sclerosis...
February 10, 2017: Journal of the History of the Neurosciences
https://www.readbyqxmd.com/read/28628851/spinal-5-ht4-and-5-ht6-receptors-contribute-to-the-maintenance-of-neuropathic-pain-in-rats
#7
Jorge Baruch Pineda-Farias, Paulino Barragán-Iglesias, Alann Valdivieso-Sánchez, Juan Rodríguez-Silverio, Francisco Javier Flores-Murrieta, Vinicio Granados-Soto, Héctor Isaac Rocha-González
BACKGROUND: Nerve injury promotes release of 5-HT at the spinal cord. Once released, 5-HT may produce antinociceptive or pronociceptive effects depending of the nature of 5-HT receptors. The purpose of this study was to investigate the participation of spinal 5-HT4 and 5-HT6 receptors in the maintenance of neuropathic pain in rats. METHODS: Tactile allodynia was measured using von Frey hairs in male Wistar rats subjected to L5-L6 spinal nerve injury. Selective 5-HT4 (GR-113808, 0...
April 4, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28627589/effect-of-the-spinal-apelin%C3%A2-apj-system-on-the-pathogenesis-of-chronic-constriction-injury%C3%A2-induced-neuropathic-pain-in-rats
#8
Qingming Xiong, Wanyou He, Hanbing Wang, Jun Zhou, Yajun Zhang, Jian He, Chengxiang Yang, Bin Zhang
Apelin is hypothesized to serve a dual function in pain processing. Spinal administration of apelin induces hyperalgesia, while opioid receptors are implicated in the antinociceptive effects of apelin in acute nociceptive models. However, whether the apelin‑apelin receptor (APJ) system is involved in neuropathic pain remains to be elucidated. The present study aimed to evaluate the impact and mechanism of the spinal apelin‑APJ system in neuropathic pain. Chronic constriction injury (CCI) of the sciatic nerve produced sustained spinal apelin and APJ upregulation, which was associated with mechanical allodynia and heat hyperalgesia development in the hind‑paw plantar surface...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626095/-role-of-the-autophagy-in-the-treatment-of-neuropathic-pain-with-pulsed-radiofrequency
#9
Lin Yang, Liang Guo, Junmei Xu, Yaping Wang, Dingquan Zou, Xinghua Jiang
To detect the effect of pulse radiofrequency (PRF) treatment on the neuropathic pain established by L5-spinal nerve ligation (SNL) on rats, and to investigate if PRF treatment would affect the expression of autophagy related protein LC3 and autophagy related receptor P62 at the dorsal horn.
 Methods: A total of 36 male Sprague-Dawley rats were randomly divided into 3 groups: a Sham group, a SNL group, and a SNL+PRF group. The 50% paw withdrawal mechanical threshold (PWMT) was detected at 1 day before and 1, 3, 7, 14 and 28 days post-operation by using Von-Frey filaments...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28625489/diosmin-reduces-chronic-constriction-injury-induced-neuropathic-pain-in-mice
#10
Mariana M Bertozzi, Ana C Rossaneis, Victor Fattori, Daniela T Longhi-Balbinot, Andressa Freitas, Fernando Q Cunha, José C Alves-Filho, Thiago M Cunha, Rubia Casagrande, Waldiceu A Verri
Injury or dysfunction of somatosensory system induces a complex syndrome called neuropathic pain, which still needs adequate pharmacological control. The current pharmacological treatments were in part developed from natural compounds. Flavonoids are natural polyphenolic molecules presenting varied biological activities and low toxicity. The flavonoid diosmin is a safe compound with good tolerability and low toxicity. This study evaluated the antinociceptive effect of diosmin in the sciatic nerve chronic constriction injury (CCI)-induced neuropathic pain model...
June 15, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28624955/presynaptic-inhibition-of-nociceptive-neurotransmission-by-somatosensory-neuron-secreted-suppressors
#11
REVIEW
Kaicheng Li, Bing Cai, Changlin Li, Xu Zhang
Noxious stimuli cause pain by activating cutaneous nociceptors. The Aδ- and C-fibers of dorsal root ganglion (DRG) neurons convey the nociceptive signals to the laminae I-II of spinal cord. In the dorsal horn of spinal cord, the excitatory afferent synaptic transmission is regulated by the inhibitory neurotransmitter γ-aminobutyric acid and modulators such as opioid peptides released from the spinal interneurons, and by serotonin, norepinepherine and dopamine from the descending inhibitory system. In contrast to the accumulated evidence for these central inhibitors and their neural circuits in the dorsal spinal cord, the knowledge about the endogenous suppressive mechanisms in nociceptive DRG neurons remains very limited...
June 15, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28620005/cancer-and-central-nervous-system-tumor-surveillance-in-pediatric-neurofibromatosis-2-and-related-disorders
#12
REVIEW
D Gareth R Evans, Hector Salvador, Vivian Y Chang, Ayelet Erez, Stephan D Voss, Harriet Druker, Hamish S Scott, Uri Tabori
The neurofibromatoses consist of at least three autosomal-dominant inherited disorders: neurofibromatosis type 1 (NF1), neurofibromatosis type 2 (NF2), and schwannomatosis. For over 80 years, these conditions were inextricably tied together under generalized neurofibromatosis. In 1987, the localization of NF1 to chromosome 17q and NF2 (bilateral vestibular schwannoma) to 22q led to a consensus conference at Bethesda, Maryland. The two main neurofibromatoses, NF1 and NF2, were formally separated. More recently, the SMARCB1 and LZTR1 genes on 22q have been confirmed as causing a subset of schwannomatosis...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28619428/neuromyelitis-optica-presenting-with-horner-syndrome-a-case-report-and-review-of-literature
#13
İrem Fatma Uludağ, Alp Sarıteke, Levent Öcek, Yaşar Zorlu, Ufuk Şener, Figen Tokuçoğlu, Burhanettin Uludağ
Neuromyelitis optica (NMO) is a demyelinating disease of the central nervous system that predominantly affects the spinal cord and optic nerves. We describe a 19 years old woman with left Horner syndrome (HS), who was diagnosed as NMO with characteristic longitudinally extensive myelitis and positive serum aquaporin-4 immunoglobulin G antibodies (AQP4-IgG). Our report describes one of the very rare ocular motor symptoms in NMO patients.
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28619300/clinical-effect-of-traditional-chinese-spinal-orthopedic-manipulation-in-treatment-of-functional-abdominal-pain-syndrome
#14
Liyang Xing, Liuxin Qu, Hong Chen, Song Gao
OBJECTIVE: To evaluate the clinical effect of Traditional Chinese Spinal Orthopedic Manipulation (TCSOM) in treating Functional Abdominal Pain Syndrome (FAPS) in comparison with Pinaverium Bromide (Dicetel, PBD), and to assess a possible cause for FAPS. METHODS: 60 cases of FAPS patients were randomly assigned to the TCSOM group and PBD group according to the random number table method. The TCSOM group was treated with thumb pressing manipulation, every other day in the first week, and once every three days in the second week, for 5 times treatments...
June 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28617705/liver-x-receptor-%C3%AE-is-involved-in-counteracting-mechanical-allodynia-by-inhibiting-neuroinflammation-in-the-spinal-dorsal-horn
#15
Jing Xu, Yi-Wei Feng, Ling Liu, Wei Wang, Xiong-Xiong Zhong, Xu-Hong Wei, Xian-Guo Liu
BACKGROUND: Liver X receptors, including α and β isoforms, are ligand-activated transcription factors. Whether liver X receptor α plays a role in neuropathic pain is unknown. METHODS: A spared nerve injury model was established in adult male rats and mice. Von Frey tests were performed to evaluate the neuropathic pain behavior; Western blot and immunohistochemistry were performed to understand the underlying mechanisms. RESULTS: Intrathecal injection of a specific liver X receptor agonist T0901317 or GW3965 could either prevent the development of mechanical allodynia or alleviate the established mechanical allodynia, both in rats and wild-type mice...
June 15, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28616651/comparison-of-efficacy-of-transversus-abdominis-plane-block-and-iliohypogastric-ilioinguinal-nerve-block-for-postoperative-pain-management-in-patients-undergoing-inguinal-herniorrhaphy-with-spinal-anesthesia-a-prospective-randomized-controlled-open-label-study
#16
Onur Okur, Zeki Tuncel Tekgul, Nazif Erkan
PURPOSES: The purpose of this study was to compare the effects of lateral abdominal transversus abdominis plane block (TAP block) and iliohypogastric/ilioinguinal nerve block (IHINB) under ultrasound guidance for postoperative pain management of inguinal hernia repair. Secondary purposes were to compare the complication rates of the two techniques and to examine the effects of TAP block and IHINB on chronic postoperative pain. METHODS: This was a prospective randomized controlled open-label study...
June 14, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28616261/nerve-entrapment-as-a-cause-of-shoulder-pain-in-the-spinal-cord-injured-patient
#17
Catherine M Curtin, Carl-Goran Hagert, Claes Hultling, Elisabet Hagert
INTRODUCTION: Many people with chronic spinal cord injury (SCI) develop shoulder pain, which can adversely impact transfers and independence. Yet effective treatments remain elusive. CASE PRESENTATION: This report presents two patients with tetraplegia who had long-standing shoulder pain. Our exam showed muscle weakness and point tenderness, suggestive of nerve entrapments of the radial and axillary nerves in the posterior shoulder. These nerves were surgically decompressed and post-operatively the patients' pain resolved...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28616022/therapeutic-opportunities-and-challenges-of-induced-pluripotent-stem-cells-derived-motor-neurons-for-treatment-of-amyotrophic-lateral-sclerosis-and-motor-neuron-disease
#18
REVIEW
Manoj Kumar Jaiswal
Amyotrophic lateral sclerosis (ALS) and motor neuron diseases (MNDs) are progressive neurodegenerative diseases that affect nerve cells in the brain affecting upper and lower motor neurons (UMNs/LMNs), brain stem and spinal cord. The clinical phenotype is characterized by loss of motor neurons (MNs), muscular weakness and atrophy eventually leading to paralysis and death due to respiratory failure within 3-5 years after disease onset. No effective treatment or cure is currently available that halts or reverses ALS and MND except FDA approved drug riluzole that only modestly slows the progression of ALS in some patients...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28615976/clinical-utility-of-neurostimulation-devices-in-the-treatment-of-overactive-bladder-current-perspectives
#19
REVIEW
Dick Aw Janssen, Frank Mj Martens, Liesbeth L de Wall, Hendrikje Mk van Breda, John Pfa Heesakkers
OBJECTIVES: This review describes the evidence from established and experimental therapies that use electrical nerve stimulation to treat lower urinary tract dysfunction. METHODS: Clinical studies on established treatments such as percutaneous posterior tibial nerve stimulation (P-PTNS), transcutaneous electrical nerve stimulation (TENS), sacral nerve stimulation (SNS) and sacral anterior root stimulation (SARS) are evaluated. In addition, clinical evidence from experimental therapies such as dorsal genital nerve (DGN) stimulation, pudendal nerve stimulation, magnetic nerve stimulation and ankle implants for tibial nerve stimulation are evaluated...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28615341/high-frequency-epidural-stimulation-across-the-respiratory-cycle-evokes-phrenic-short-term-potentiation-after-incomplete-cervical-spinal-cord-injury
#20
Elisa J Gonzalez-Rothi, Kristi A Streeter, Marie H Hanna, Anna C Stamas, Paul J Reier, David M Baekey, David D Fuller
C2 spinal hemilesion (C2Hx) paralyzes the ipsilateral diaphragm, but recovery is possible through activation of "crossed spinal" synaptic inputs to ipsilateral phrenic motoneurons. We tested the hypothesis that high frequency epidural stimulation (HF-ES) would potentiate ipsilateral phrenic output after subacute and chronic C2Hx. HF-ES (300 Hz) was applied to the ventrolateral C4 or T2 spinal cord ipsilateral to C2Hx in anesthetized and mechanically ventilated adult rats. Stimulus duration was 60-sec and currents ranged from 100-1000 µA...
June 14, 2017: Journal of Neurophysiology
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