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https://www.readbyqxmd.com/read/28806211/the-opiorphin-analog-str-324-decreases-sensory-hypersensitivity-in-a-rat-model-of-neuropathic-pain
#1
Alain Van Elstraete, Philippe Sitbon, Leila Hamdi, Victor Juarez-Perez, Jean-Xavier Mazoit, Dan Benhamou, Catherine Rougeot
BACKGROUND: Neuropathic pain represents a therapeutic challenge, and treatments with increased efficacy and tolerability still need to be developed. Opiorphin protects endogenous enkephalins from degradation, potentiating enkephalin-dependent analgesia via the activation of opioid pathways. Enkephalins are natural ligands of opioid receptors, with strong affinity for δ-opioid receptors. Expression of functional δ-opioid receptors increases in sensory neurons after peripheral nerve injury in neuropathic pain models...
August 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28781097/lewis-sumner-syndrome-manifesting-as-unilateral-vocal-fold-paresis-and-laryngeal-fasciculations
#2
Jérôme R Lechien, Camille Finck
Lewis-Sumner syndrome (LSS) is a rare disease characterized by asymmetrical and multifocal mononeuropathy commonly located in the upper limbs. Some rare cases affecting cranial nerve have been described, but LSS is unknown to affect especially laryngeal nerves. This paper presents the first case of unilateral vocal fold paresis caused by an LSS in a 59-year-old man complaining of dysphonia, breathy voice, and vocal fatigue. Epidemiology, clinical features, diagnosis, and treatment will be described.
August 3, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28755280/magnetic-resonance-imaging-patterns-of-mononeuropathic-denervation-in-muscles-with-dual-innervation
#3
REVIEW
Darryl B Sneag, Susan C Lee, Joseph H Feinberg, Darius P Melisaratus, Ian Amber
Magnetic resonance imaging (MRI) of mononeuropathy in muscles with dual innervation depicts geographic denervation corresponding to the affected nerve. Knowledge of the normal distribution of a muscle's neural supply is clinically relevant as partial muscle denervation represents a potential imaging pitfall that can be confused with other pathology, such as muscle strain. This article reviews the normal innervation pattern of extremity muscles with dual supply, providing illustrative examples of mononeuropathy affecting such muscles...
July 28, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28680345/oxidative-stress-and-antioxidant-status-in-patients-with-bell-s-palsy
#4
Suat Terzi, Engin Dursun, Adnan Yılmaz, Zerrin Özergin Coşkun, Abdulkadir Özgür, Metin Çeliker, Münir Demirci
BACKGROUND: Bell's palsy (BP) is the most common acute mononeuropathy of unilateral facial paralysis. Immune, infective and ischaemic mechanisms are potential contributors to the development of BP, but the precise cause remains unclear. Recently, oxidative stress has been proposed as a risk factor of various idiopathic diseases. The aim of this study was to investigate the possible role of oxidative stress in patients with BP. METHODS: Thirty-two patients with BP and 30 healthy controls were included in this study...
January 2017: Journal of Medical Biochemistry
https://www.readbyqxmd.com/read/28584377/neurolymphomatosis-in-primary-cutaneous-cd4-pleomorphic-small-medium-sized-t-cell-lymphoma-mimicking-hansen-s-disease
#5
Anza Khader, Mary Vineetha, Mamatha George, Shiny Padinjarayil Manakkad, Sunitha Balakrishnan, Uma Rajan
Neurolymphomatosis (NL) refers to nerve infiltration by neurotropic neoplastic cells in the setting of a known or an unknown hematological malignancy. It typically presents as painful or painless peripheral mononeuropathy, mononeuritis multiplex, polyneuropathy, polyradiculopathy, or cranial neuropathy. A 32-year-old male presented with a hyperpigmented hypoesthetic plaque over the anterolateral aspect of the right leg with thickening of the right common peroneal nerve and foot drop clinically diagnosed as Hansen's disease...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28536920/clinicopathological-features-of-multiple-mononeuropathy-associated-with-systemic-lupus%C3%A2-erythematosus-a-multicenter-study
#6
Elodie Rivière, Fleur Cohen Aubart, Thierry Maisonobe, François Maurier, Christophe Richez, Bruno Gombert, Marie Gousseff, Daniel Adoue, Alexis Mathian, Miguel Hié, Julien Haroche, Zahir Amoura
Multiple mononeuropathy (MM) occurs rarely during systemic lupus erythematosus (SLE) but may lead to major disability. The aim of this study was to investigate the clinic-pathological presentations of MM during SLE, as well as long-term outcomes. We conducted a multicentric retrospective study that included patients receiving a diagnosis of MM during SLE. Ten patients were included (8 women and 2 men, median age at MM diagnosis: 40.4 years). SLE was diagnosed before MM in 9/10 patients (median time 8.2 years)...
June 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28483540/peripheral-nervous-system-involvement-in-systemic-lupus-erythematosus-prevalence-clinical-and-immunological-characteristics-treatment-and-outcome-of-a-large-cohort-from-a-single-centre
#7
REVIEW
Pilar Toledano, Ramón Orueta, Ignasi Rodríguez-Pintó, Josep Valls-Solé, Ricard Cervera, Gerard Espinosa
Disorders of peripheral nervous system in patients with systemic lupus erythematosus (PNS-SLE) are a major cause of morbidity. The aims of the present study were to determine the prevalence of PNS-SLE involvement in a large cohort of SLE patients from a single centre, to characterize such involvement, treatment modalities and outcome, and to identify the possible variables that may be associated with its presence. We performed an observational cross-sectional study that included all SLE patients being followed in our department between March and December 2015 who met at least one of the PNS-SLE case definitions proposed in 1999 by the American College of Rheumatology...
May 5, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28432174/postintervention-acute-opsoclonus-myoclonus-syndrome
#8
Annelise Aquilina, Nicola Dingli, Josanne Aquilina
Opsoclonus myoclonus syndrome (OMS) is a rare, neurological condition affecting 1 in 10 000 000 people annually. Opsoclonus, defined as involuntary rapid, multivectorial oscillations of the eyes, together with ataxia and myoclonus are usually present. OMS may be paraneoplastic: often associated with occult neuroblastoma in childhood and with breast carcinoma or small cell lung carcinoma in adults. Other aetiologies include viral or toxic agents. The pathogenesis is thought to be immune mediated. A 37-year-old woman with previous inflammatory cranial mononeuropathies was admitted for elective dilatation and curettage (D&C)...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28407266/hereditary-neuropathy-with-liability-to-pressure-palsy-in-patients-under-30-years-old-neurophysiological-data-and-proposed-electrodiagnostic-criteria
#9
Florence Robert-Varvat, Guillemette Jousserand, Françoise Bouhour, Christophe Vial, Pascal Cintas, Andoni Echaniz-Laguna, Emilien Delmont, Pierre Clavelou, Guy Chauplannaz, Laurent Jomir, Yann Pereon, Sarah Leonard-Louis, Veronique Manel, Jean-Christophe Antoine, Arnaud Lacour, Jean-Philippe Camdessanche
INTRODUCTION: In young patients with mononeuropathy who lack family history and precipitating factors, hereditary neuropathy with liability to pressure palsy (HNPP) may be a possibility. Our objective is to propose neurophysiological criteria for HNPP in patients <30 years of age. METHODS: We conducted a national multicenter retrospective clinical and neurophysiological study in patients under 30 with genetically confirmed HNPP. RESULTS: All of the 51 patients included in the study had at least 1 demyelinating pattern in 2 asymptomatic nerves, and 3 abnormalities were found in almost 90%, including slowed motor nerve conduction velocity across the elbow in at least 1 ulnar nerve (97...
April 13, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28378856/involvement-of-galanin-and-galanin-receptor-2-in-nociceptive-modulation-in-anterior-cingulate-cortex-of-normal-rats-and-rats-with-mononeuropathy
#10
Meng-Lin Zhang, Hong-Bo Wang, Feng-Hua Fu, Long-Chuan Yu
The present study was performed to explore the role of galanin and galanin receptor 2 in nociceptive modulation in anterior cingulate cortex (ACC) of normal rats and rats with mononeuropathy. Intra-ACC injection of galanin induced significant increases in hindpaw withdrawal latencies (HWLs) to thermal and mechanical stimulations in both normal rats and rats with mononeuropathy, the increased HWLs were attenuated significantly by intra-ACC injection of galanin receptor 2 antagonist M871, indicating an involvement of galanin receptor 2 in nociceptive modulation in ACC...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28375915/common-entrapment-neuropathies
#11
Lisa D Hobson-Webb, Vern C Juel
PURPOSE OF REVIEW: This article addresses relevant peripheral neuroanatomy, clinical presentations, and diagnostic findings in common entrapment neuropathies involving the median, ulnar, radial, and fibular (peroneal) nerves. RECENT FINDINGS: Entrapment neuropathies are a common issue in general neurology practice. Early diagnosis and effective management of entrapment mononeuropathies are essential in preserving limb function and maintaining patient quality of life...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28341506/a-case-of-acute-ischemic-monomelic-neuropathy-and-review-of-the-literature
#12
Andre Ramdon, Amelia Breyre, Venkat Kalapatapu
Ischemia monomelic neuropathy is rare and underrecognized complication of hemodialysis access (HA), characterized by diffuse multiple mononeuropathies in the absence of significant clinical ischemia. It is important to diagnose this syndrome early because ligation of the HA is the most accepted treatment to prevent or at least halt irreversible neural dysfunction and therefore, chronic pain and disability. Literature describing this fistulae-related pathology is rare, and we attempt to increase its awareness...
March 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28295152/causally-treatable-hereditary-neuropathies-in-fabry-s-disease-transthyretin-related-familial-amyloidosis-and-pompe-s-disease
#13
REVIEW
J Finsterer, J Wanschitz, S Quasthoff, S Iglseder, W Löscher, W Grisold
OBJECTIVES: Most acquired neuropathies are treatable, whereas genetic neuropathies respond to treatment in Fabry's disease (FD), transthyretin-related familial amyloidosis (TTR-FA), and Pompe's disease (PD). This review summarizes and discusses recent findings and future perspectives concerning etiology, pathophysiology, clinical presentation, diagnosis, treatment, and outcome of neuropathy in FD, TTR-FA, and PD. METHODS: Literature review. RESULTS: Neuropathy in FD concerns particularly small, unmyelinated, or myelinated sensory fibers (small fiber neuropathy [SFN]) and autonomic fibers, manifesting as acroparesthesias, Fabry's crises, or autonomous disturbances...
March 12, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28285487/load-carriage-related-paresthesias-part-2-meralgia-paresthetica
#14
REVIEW
Joseph J Knapik, Katy Reynolds, Robin Orr, Rodney Pope
This is the second of a two-part series addressing symptoms, evaluation, and treatment of load carriage- related paresthesias. Part 1 addressed rucksack palsy and digitalgia paresthetica; here, meralgia paresthetica (MP) is discussed. MP is a mononeuropathy involving the lateral femoral cutaneous nerve (LFCN). MP has been reported in load carriage situations where the LFCN was compressed by rucksack hipbelts, pistol belts, parachute harnesses, and body armor. In the US military, the rate of MP is 6.2 cases/10,000 personyears...
December 0: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28283866/evaluating-the-evidence-is-neurolysis-or-neurectomy-a-better-treatment-for-meralgia-paresthetica
#15
REVIEW
Russell Payne, Scott Seaman, Emily Sieg, Sara Langan, Kimberly Harbaugh, Elias Rizk
BACKGROUND: Meralgia paresthetica is a mononeuropathy of the lateral femoral cutaneous nerve (LCFN). Surgical treatment involves transection or decompression of the LCFN. There is no clear consensus on the superiority of one technique over the other. We performed a systematic review of the literature to answer this question. METHODS: Eligible studies included those that compared neurolysis versus neurectomy for the treatment of meralgia paresthetica after failure of conservative therapy...
May 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28267271/do-we-underestimate-influences-of-diabetic-mononeuropathy-or-polyneuropathy-on-hand-functional-performance-and-life-quality
#16
Chien-Ju Yang, Hsiu-Yun Hsu, Chieh-Hsiang Lu, Yen-Li Chao, Haw-Yen Chiu, Li-Chieh Kuo
AIMS/INTRODUCTION: The purpose of this study is to identify whether there are differences in hand dexterity, hand functional performance and quality of life between diabetes hands with mononeuropathy and polyneuropathy to further present the importance regarding impacts of diabetic neuropathic deficits on patient's functional capacity. MATERIALS AND METHODS: The neurological deficits of 127 patients with type 2 diabetes were examined by electrophysiological tests for the median and ulnar nerves and were stratified into the diabetic mononeuropathy, diabetic polyneuropathy and non-diabetic neuropathy groups by sensory amplitude of these nerves...
March 7, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28263010/bilateral-analgesic-effects-of-abobotulinumtoxina-dysport-%C3%A2-following-unilateral-administration-in-the-rat
#17
C Favre-Guilmard, P-E Chabrier, M Kalinichev
BACKGROUND: In addition to inhibition of muscle and glandular hyperactivity, botulinum neurotoxin (BoNT) type A also interferes with pain processing. Previously, in a rat model of paclitaxel-induced polyneuropathy, abobotulinumtoxinA (aboBoNT-A) elicited analgesic effects not only in the injected paw, but also in the contralateral, non-injected paw. METHODS: Here, we assessed bilateral analgesic effects of unilateral aboBoNT-A in several chronic pain models in Sprague-Dawley rats...
May 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28252606/-diabetic-asymmetric-proximal-neuropathy
#18
S V Kotov, I G Rudakova, E V Isakova, Yu A Belova, T V Volchenkova, M Khirbek, G A Stashuk
AIM: To study the prevalence, clinical features and treatment of diabetic asymmetric proximal neuropathy (DAPN). MATERIAL AND METHODS: Four hundred and forty-five patients with diabetes mellitus (DM), 257 women and 188 men, mean age 47.6±0.5 years, including 163 patients with DM type I and 282 with DM type II, were examined. RESULTS AND CONCLUSION: Distal symmetric sensory motor polyneuropathy was found in 62% of the patients, autonomic neuropathy in 25...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28251151/electrospun-nanofibers-loaded-with-quercetin-promote-the-recovery-of-focal-entrapment-neuropathy-in-a-rat-model-of-streptozotocin-induced-diabetes
#19
Chonlathip Thipkaew, Jintanaporn Wattanathorn, Supaporn Muchimapura
In this study, quercetin-loaded zein-based nanofibers were developed using electrospinning technique. The therapeutic effect of these quercetin-loaded nanofibers on neuropathy in streptozotocin- (STZ-) induced diabetes in rats was assessed. Diabetic condition was induced in male Wistar rats by STZ, after which a crush injury of the right sciatic nerve was performed to induce mononeuropathy. Functional recovery was assessed using walking track analysis, measurements of foot withdrawal reflex, nerve conduction velocity, and morphological analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28247042/neuralgic-amyotrophy-triggered-by-hepatitis-e-virus-a-particular-phenotype
#20
REVIEW
Quentin Scanvion, Thierry Perez, François Cassim, Olivier Outteryck, Aurélia Lanteri, Pierre-Yves Hatron, Marc Lambert, Sandrine Morell-Dubois
The neuralgic amyotrophy may be of difficult diagnosis, due to phenotypic variability, with different initial presentations (upper plexus multiple mononeuropathy, lumbosacral involvement, distal reached, phrenic involvement). To date, there is little guidance on these patients' therapeutic management, especially those for which neuralgic amyotrophy is triggered by hepatitis E virus (HEV-NA). The study aims to identify specific features that characterize patients bearing the neuralgic amyotrophy triggered by HEV...
April 2017: Journal of Neurology
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