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https://www.readbyqxmd.com/read/27923065/mutations-in-the-heme-exporter-flvcr1-cause-sensory-neurodegeneration-with-loss-of-pain-perception
#1
Deborah Chiabrando, Marco Castori, Maja di Rocco, Martin Ungelenk, Sebastian Gießelmann, Matteo Di Capua, Annalisa Madeo, Paola Grammatico, Sophie Bartsch, Christian A Hübner, Fiorella Altruda, Lorenzo Silengo, Emanuela Tolosano, Ingo Kurth
Pain is necessary to alert us to actual or potential tissue damage. Specialized nerve cells in the body periphery, so called nociceptors, are fundamental to mediate pain perception and humans without pain perception are at permanent risk for injuries, burns and mutilations. Pain insensitivity can be caused by sensory neurodegeneration which is a hallmark of hereditary sensory and autonomic neuropathies (HSANs). Although mutations in several genes were previously associated with sensory neurodegeneration, the etiology of many cases remains unknown...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27922951/anatomic-and-ultrasonographic-evaluation-of-the-knee-sensory-innervation-a-cadaveric-study-to-determine-anatomic-targets-in-the-treatment-of-chronic-knee-pain
#2
Jorge M Orduña Valls, Ricardo Vallejo, Pablo López Pais, Eliezer Soto, Daniel Torres Rodríguez, David L Cedeño, Carlos Tornero Tornero, Maximino Quintáns Rodríguez, Aurora Baluja González, Julián Álvarez Escudero
BACKGROUND AND OBJECTIVES: Osteoarthrosis is a main cause of knee pain in the elderly. Pain associated with this condition is often refractory to conservative treatment. Total knee replacement may be the best option for severe pathologies; however, the occurrence of a chronic pain state after knee replacement has been well documented in the literature. The previous descriptions of the genicular nerves have been considered somewhat inaccurate. This innervation is complex and exhibits significant interindividual variability...
December 5, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27922760/nervecheck-for-the-detection-of-sensory-loss-and-neuropathic-pain-in-diabetes
#3
Georgios Ponirakis, Maria N Odriozola, Samantha Odriozola, Ioannis N Petropoulos, Shazli Azmi, Maryam Ferdousi, Hassan Fadavi, Uazman Alam, Andrew Marshall, Maria Jeziorska, Anthony Miro, Ahmad Kheyami, Mitra Tavakoli, Ahmed Al-Ahmar, Maria B Odriozola, Ariel Odriozola, Rayaz A Malik
BACKGROUND: Accurate and economic detection of nerve damage in diabetes is key to more widespread diagnosis of patients with diabetic peripheral neuropathy (DPN) and painful diabetic neuropathy. This study examined the diagnostic performance of NerveCheck, an inexpensive ($500) quantitative sensory testing (QST) device. METHODS: One hundred forty-four subjects (74 with and 70 without diabetes) underwent assessment with NerveCheck, neuropathy disability score (NDS), nerve conduction studies (NCS), intraepidermal and corneal nerve fiber density (IENFD and CNFD), and McGill questionnaire for neuropathic pain...
December 6, 2016: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/27922701/elolyckor-kan-ge-skador-som-visar-sig-efter-l%C3%A3-ng-tid-det-akuta-omh%C3%A3-ndertagandet-kan-vara-avg%C3%A3-rande-p%C3%A3-sikt
#4
Martin Tondel, Anna Blomqvist, Kristina Jakobsson, Tohr Nilsson, Bodil Persson, Sara Thomée, Lars-Gunnar Gunnarsson
Immediate and delayed outcomes after electrical injury. A guide for clinicians In Sweden about 300 electrical injuries are recorded each year at the Swedish National Electrical Safety Board. Most of our knowledge of the health consequences of these arise from clinical case series. Severe electrical injuries have direct thermal effects and may result in ventricular fibrillation, skin burns, as well as muscular and nerve affection. Long-term consequences include pain, vascular symptoms, cognitive and neurological symptoms and signs...
December 1, 2016: Läkartidningen
https://www.readbyqxmd.com/read/27921015/pediatric-olecranon-fractures-associated-with-radial-neck-fractures-review-and-report-of-two-cases
#5
Kemal Gokkus, Ozkan Kose, Murat Saylik, Ergin Sagtas, Ahmet Turan Aydin
INTRODUCTION: The debate regarding the description on classification and nomenclature of the injury which includes olecranon fracture associated with radial neck fractures in children is ongoing. We report two pediatric cases that could not be classified in a Monteggia-equivalents system and were treated with open reduction and k-wire fixation. The aim of this study was to perform a systematic review regarding pediatric radial neck fractures associated with olecranon fractures and presentation of two pediatric cases of olecranon fractures associated with radial neck fractures with radiocapitellar dislocation...
July 2016: Trauma Monthly
https://www.readbyqxmd.com/read/27920803/bone-pain-mechanism-in-osteoporosis-a-narrative-review
#6
REVIEW
Consalvo Mattia, Flaminia Coluzzi, Ludovica Celidonio, Renato Vellucci
Bone pain in elderly people dramatically affects their quality of life, with osteoporosis being the leading cause of skeletal related events. Peripheral and central mechanisms are involved in the pathogenesis of the nervous system sensitization. Osteoporosis in the elderly has been associated with increased density of bone sensory nerve fibers and their pathological modifications, together with an over-expression of nociceptors sensitized by the lowering pH due to the osteoclastic activity. The activation of N-methyl-D-aspartate (NMDA) receptors and the microglia, as a response to a range of pathological conditions, represent the leading cause of central sensitization...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920573/femoral-nerve-blockade-using-various-concentrations-of-local-anesthetic-for-knee-arthroscopy-in-the-pediatric-population
#7
Giorgio Veneziano, Jennifer Tripi, Dmitry Tumin, Mumin Hakim, David Martin, Ralph Beltran, Kevin Klingele, Tarun Bhalla, Joseph D Tobias
BACKGROUND: Femoral nerve blockade (FNB) provides effective postoperative analgesia in children undergoing arthroscopic knee surgery as evidenced by their opioid-sparing effects and decreased postoperative pain scores. Increasing the local anesthetic concentration in peripheral nerve blockade for adults undergoing orthopedic surgery has been shown to be beneficial, increasing block success rate, and providing a longer duration of analgesia. The effect of increasing the concentration of local anesthetic in extremity blocks in children remains largely unexplored...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27920572/home-peripheral-nerve-catheters-the-first-24-months-of-experience-at-a-children-s-hospital
#8
Andrew Gable, Candice Burrier, Jenna Stevens, Sharon Wrona, Kevin Klingele, Tarun Bhalla, David P Martin, Giorgio Veneziano, Joseph D Tobias
CONTEXT: Home peripheral nerve catheters (PNCs) have become common practice for adult patients after major orthopedic surgery. However, use in pediatric patients is a recent application. OBJECTIVES: The purpose of this study was to review the demographics and outcomes of pediatric patients receiving a PNC at our institution. METHODS: This retrospective study included patients from October 2012 through October 2014 undergoing orthopedic procedures with a PNC placed for postoperative pain management...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27920467/possible-therapeutic-role-of-ige-blockade-in-irritable-bowel-syndrome
#9
EDITORIAL
Eli Magen, Tinatin Chikovani
Omalizumab is a humanized monoclonal antibody that binds to the high-affinity type-I IgE Fc receptors on mast cells (MCs) and basophils, inhibiting the IgE immune pathway. Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder, and dysregulation of the immune system likely contributes to its etiology and/or symptomatology. Colonic biopsies from patients with IBS demonstrate considerable increase in the number of degranulating MCs releasing histamine in proximity to nerves, and this event may underlie the common IBS symptom of abdominal pain...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27919731/nerve-sparing-laparoscopic-colposacropexy-using-a-percutaneous-surgical-system-a-case-report
#10
Federico Romano, Francesco Legge, Giovanni Scambia, Maurizio Guido
STUDY OBJECTIVE: To evaluate the feasibility, efficacy and safeness of nerve-sparing laparoscopic colposacropexy performed with a minimally invasive approach by using 2,9 mm Percuvance(TM) Percutaneous Surgical System (PSS) (The Percuvance(TM) System, Teleflex Inc., USA). DESIGN: Step-by-step video demonstration of the surgical technique. The Internal Department Committee approved this study. The patient was adequately informed about the possible risks and benefits of this experimental technique and a written consent agreeing to undergo the described procedure was signed...
December 2, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27919414/early-diagnosis-in-patients-with-transthyretin-familial-amyloid-polyneuropathy-a-comparative-study
#11
Manuel Raya-Cruz, Juan Buades-Reines, Cristina Gállego-Lezáun, Tomás Ripoll-Vera, Mercedes Usón-Martín, Eugenia Cisneros-Barroso
INTRODUCTION AND OBJECTIVE: Transthyretin-associated familial amyloid polyneuropathy (TTR-FAP) is a disease caused by the deposit of abnormal transthyretin on tissues, mainly nerves. Small nerve fibers are altered earlier during the course of the disease; hence, detection of their involvement may have serious consequences on the natural history of disease. METHODS: A cross-sectional, observational study, was carried out on symptomatic patients, involving the conduct of several tests for small nerve fibers: Vibration, Touch Pressure (TP) and Heat Pain (HP)...
December 2, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27919285/a-randomised-patient-assessor-blinded-sham-controlled-trial-of-external-non-invasive-peripheral-nerve-stimulation-for-chronic-neuropathic-pain-following-peripheral-nerve-injury-en-pens-trial-study-protocol-for-a-randomised-controlled-trial
#12
Selina Johnson, Andreas Goebel, Roberta Richey, Emily Holmes, Dyfrig Hughes
BACKGROUND: Eight percent of people in the UK are estimated to have persistent (chronic) neuropathic pain, and for many there is no effective treatment. Medications are the most common first-line treatment but often have limited benefit or adverse events. Surgical treatments, such as spinal cord stimulation, are then often considered. External non-invasive peripheral nerve stimulation (EN-PENS) is a form of electrical stimulation that involves placing a pen-shaped electrode onto the skin, which can be easily self-administered by patients...
December 6, 2016: Trials
https://www.readbyqxmd.com/read/27919018/trigeminal-nervous-system-sensitization-by-infraorbital-nerve-injury-enhances-responses-in-a-migraine-model
#13
Midori Toyama, Chiho Kudo, Chikako Mukai, Mika Inoue, Aiko Oyamaguchi, Hiroshi Hanamoto, Mitsutaka Sugimura, Hitoshi Niwa
BACKGROUND: Although the peripheral and central sensitizations of trigeminal nervous system may be one of the important factors of migraine, the precise mechanism is not fully understood. In this study, we examined the influence of the sensitization of the second division of the trigeminal nerve (V2) by chronic constriction injury (CCI) of the infraorbital nerve (ION) on migraine headache, using the capsaicin-induced migraine model. METHODS: Male Sprague-Dawley rats were assigned to four groups: (a) sham surgery and topical-dural vehicle application (Sham + Vehicle) group, (b) CCI-ION and topical-dural vehicle application (CCI-ION + Vehicle) group, (c) sham surgery and topical-dural capsaicin application (Sham + Capsaicin) group, (d) CCI-ION and topical-dural capsaicin application (CCI-ION + Capsaicin) group...
November 9, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27917413/efficacy-of-s-lacosamide-in-preclinical-models-of-cephalic-pain
#14
Aubin Moutal, Nathan Eyde, Edwin Telemi, Ki Duk Park, Jennifer Y Xie, David W Dodick, Frank Porreca, Rajesh Khanna
Migraine is one of the world's most common neurological disorders. Current acute migraine treatments have sub-optimal efficacy and new therapeutic options are needed. Approaches targeting calcitonin gene related peptide (CGRP) signaling are clinically effective but small molecule antagonists have not been advanced due to toxicity. In this study, we explored the axonal growth/specification collapsin response mediator protein 2 (CRMP2) as a novel "druggable" target for inhibiting CGRP release and for potential relevance for treatment of migraine pain...
June 2016: Pain Reports (Baltimore, Md.)
https://www.readbyqxmd.com/read/27916737/suprascapular-block-associated-with-interscalene-block-an-alternative-to-isolated-interscalene-block-for-analgesia-in-shoulder-instability-surgery
#15
Walid Trabelsi, Abdelkader Ben Gabsia, Anis Lebbi, Walid Sammoud, Iheb Labbène, Mustapha Ferjani
BACKGROUND: Interscalene brachial plexus block (ISB) is the gold standard for postoperative pain management in shoulder surgery. However, this technique has side effects and potentially serious complications. The aim of this study was to compare the combinations of ultrasound-guided suprascapular (SSB) associated with supraclavicular nerve block (SCB) and ultrasound-guided ISB for postoperative analgesia after shoulder instability surgery. METHODS: Sixty ASA physical status I-II patients scheduled to undergo shoulder instability surgery were included...
December 1, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27916557/histone-acetylation-and-histone-deacetylation-in-neuropathic-pain-an-unresolved-puzzle
#16
REVIEW
Ravneet Kaur Khangura, Anjana Bali, Amteshwar Singh Jaggi, Nirmal Singh
Chronic pain is broadly classified into somatic, visceral or neuropathic pain depending upon the location and extent of pain perception. Evidences from different animal studies suggest that inflammatory or neuropathic pain is associated with altered acetylation and deacetylation of histone proteins, which result in abnormal transcription of nociceptive processing genes. There have been a number of studies indicating that nerve injury up-regulates histone deacetylase enzymes, which leads to increased histone deacetylation and induce chronic pain...
December 2, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27915078/analgesic-effect-of-coumarins-from-radix-angelicae-pubescentis-is-mediated-by-inflammatory-factors-and-trpv1-in-a-spared-nerve-injury-model-of-neuropathic-pain
#17
Ruili Li, Chao Zhao, Minna Yao, Ying Song, Yin Wu, Aidong Wen
ETHNOPHARMACOLOGICAL RELEVANCE: Coumarins from Radix angelicae pubescentis (CRAP) are a major active component that are isolated from dried roots of Angelica biserrata Yuan et Shan, which has been used clinically to cure headaches for a long period of time, and it is an effective treatment for pain. The aim of the present study was to investigate the analgesic effect of CRAP on a spared nerve injury (SNI) model of neuropathy. MATERIALS AND METHODS: Antinociceptive effects of CRAP were assessed in Sprague-Dawley male rats using a spared nerve injury model of neuropathic pain...
November 30, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27915068/effects-of-the-pulsed-ultrasound-therapy-on-sensory-nerve-conduction-parameters-and-the-pain-threshold-perceptions-in-humans
#18
Othmar Schuhfried, Damir Vukanovic, Christian Kollmann, Karin Pieber, Tatjana Paternostro-Sluga
BACKGROUND: Therapeutic ultrasound is a often used clinical modality in the non-surgical treatment of entrapment neuropathies. To date the possible mechanism of action of pulsed ultrasound therapy on the peripheral nerve in the treatment of entrapment neuropathies is unclear. OBJECTIVE: To examine the effects of pulsed ultrasound therapy on peripheral nerve conduction parameters. DESIGN: A prospective, randomized, single blind, cross-over study...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27913981/the-challenges-of-anaesthesia-and-pain-relief-in-hip-fracture-care
#19
Rachel Cowan, Jun Hao Lim, Terence Ong, Ashok Kumar, Opinder Sahota
The care of the older person with hip fracture is complicated by their comorbid condition, limited physiological reserve, cognitive impairment and frailty. Two aspects of hip fracture management that have received considerable attention are how best to manage the pain associated with it and the ideal mode of anaesthesia. Existing literature has reported on the suboptimal treatment of pain in this orthogeriatric cohort. With recent advancements in medical care, a number of options have emerged as alternatives to conservative systemic analgesia...
December 3, 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27913310/targeted-disruption-of-the-orphan-receptor-gpr151-does-not-alter-pain-related-behaviour-despite-a-strong-induction-in-dorsal-root-ganglion-expression-in-a-model-of-neuropathic-pain
#20
Fiona E Holmes, Niall Kerr, Ying-Ju Chen, Penny Vanderplank, Craig A McArdle, David Wynick
BACKGROUND: Gpr151 is an orphan GPCR whose function is unknown. The restricted pattern of neuronal expression in the habenula, dorsal horn of the spinal cord and dorsal root ganglion plus homology with the galanin family of receptors imply a role in nociception. RESULTS: Real-time quantitative RT-PCR demonstrated a 49.9±2.9 fold highly significant (P<0.001) increase in Gpr151 mRNA expression in the dorsal root ganglion 7days after the spared nerve injury model of neuropathic pain...
November 29, 2016: Molecular and Cellular Neurosciences
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