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central sensitivity syndromes

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https://www.readbyqxmd.com/read/28106318/reduced-laser-evoked-potential-habituation-detects-abnormal-central-pain-processing-in-painful-radiculopathy-patients
#1
P Hüllemann, C von der Brelie, G Manthey, J Düsterhöft, A K Helmers, M Synowitz, R Baron
BACKGROUND: Repetitive painful laser stimuli lead to physiological laser-evoked potential (LEP) habituation, measurable by a decrement of the N2/P2 amplitude. The time course of LEP-habituation is reduced in the capsaicin model for peripheral and central sensitization and in patients with migraine and fibromyalgia. In the present investigation, we aimed to assess the time course of LEP-habituation in a neuropathic pain syndrome, i.e. painful radiculopathy. METHODS: At the side of radiating pain, four blocks of 25 painful laser stimuli each were applied to the ventral thigh at the L3 dermatome in 27 patients with painful radiculopathy...
January 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28092404/metformin-versus-myoinositol-which-is-better-in-obese-pcos-patients-a-randomized-controlled-crossover-study
#2
Valeria Tagliaferri, Daniela Romualdi, Valentina Immediata, Simona De Cicco, Christian Di Florio, Antonio Lanzone, Maurizio Guido
CONTEXT: due to the central role of metabolic abnormalities in the pathophysiology of PCOS, insulin sensitising agents have been proposed as a feasible treatment option. OBJECTIVE: to investigate which is the more effective between metformin and myoinositol on hormonal, clinical and metabolic parameters in obese patients with polycystic ovary syndrome (PCOS). STUDY DESIGN: crossover randomized-controlled study. PATIENTS: Thirty-four PCOS obese women (age: 25...
January 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28087351/central-nervous-system-vasculitis-in-adults-an-update
#3
REVIEW
Lívia Almeida Dutra, Alexandre Wagner Silva de Souza, Gabriela Grinberg-Dias, Orlando Graziani Povoas Barsottini, Simone Appenzeller
Primary central nervous system vasculitis (PCNSV) is a challenging diagnosis due to broad clinical manifestations and variable specificity and sensitivity of laboratory and imaging diagnostic tools. Differential diagnosis include reversible cerebral vasoconstriction syndrome (RCVS), secondary vasculitis of the CNS and other noninflammatory vasculopathies. Brain biopsy is essential for definitive diagnosis and to exclude mimickers. Recent data show data large-vessel PCNSV present worse prognosis when compared to small-vessel PCNSV...
January 10, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28086952/glucagon-like-peptide-1-analogues-an-efficient-therapeutic-option-for-the-severe-insulin-resistance-of-lipodystrophic-syndromes-two-case-reports
#4
Joana Oliveira, Eva Lau, Davide Carvalho, Paula Freitas
BACKGROUND: Lipodystrophic syndromes are uncommon medical conditions which are normally associated with metabolic disorders, such as diabetes mellitus, dyslipidemia, and fatty liver disease. These complications are generally difficult to treat, particularly diabetes, due to severe insulin resistance. We present two case reports of successful treatment of diabetes with glucagon-like peptide-1 analogues in patients with clinical features of lipodystrophic syndromes. CASE PRESENTATION: Two white women aged 49 and 60 years manifested marked central body fat deposition with severe lipoatrophy of their limbs and buttocks and pronounced acanthosis nigricans...
January 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28065687/restless-legs-syndrome-and-cardiovascular-disease-a-research-roadmap
#5
REVIEW
Daniel J Gottlieb, Virend K Somers, Naresh M Punjabi, John W Winkelman
In this paper, we first critically appraise the epidemiologic literature examining the association of restless legs syndrome (RLS) with cardiovascular disease (CVD) and then consider whether lessons learned from the study of cardiovascular consequences of other sleep disorders might inform a research agenda to examine the potential mechanisms of cardiovascular morbidity of RLS. Cross-sectional and longitudinal studies are both mixed as to whether there is a meaningful association of RLS and CVD. On the other hand, numerous cross-sectional and longitudinal observational studies have shown a strong association of obstructive sleep apnea (OSA) with CVD risk...
October 27, 2016: Sleep Medicine
https://www.readbyqxmd.com/read/28040285/diagnostic-performance-of-a-high-sensitive-troponin-t-assay-and-a-troponin-t-point-of-care-assay-in-the-clinical-routine-of-an-emergency-department-a-clinical-cohort-study
#6
Anna Slagman, Johannes von Recum, Martin Möckel, Fabian Holert, Dirk Meyer Zum Büschenfelde, Christian Müller, Julia Searle
BACKGROUND: A point of care test (POCT) for troponin T (TnT) in the Emergency Department (ED) was compared to a high-sensitivity TnT (hsTnT) central laboratory test (CLT) to determine the influence of test system and different cut-off values on the diagnostic performance in patients with suspected acute coronary syndrome (ACS) under routine conditions. METHODS: All patients with routine TnT testing in the ED were enrolled. Only internal medicine patients without STEMI and with both troponin values were analyzed...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28025360/patterns-of-cerebral-blood-flow-modulation-during-painful-stimulation-in-fibromyalgia-a-transcranial-doppler-sonography-study
#7
Casandra I Montoro, Stefan Duschek, Cristina Muñóz Ladrón de Guevara, Gustavo A Reyes Del Paso
OBJECTIVE: This study analyzed the temporal dynamics of cerebral blood flow (CBF) modulations, during painful stimulation in fibromyalgia syndrome (FMS), using functional transcranial Doppler sonography. METHOD: Blood flow velocities were recorded bilaterally in the anterior (ACA) and middle (MCA) cerebral arteries of 24 FMS patients and 20 healthy individuals during exposure to painful pressure stimulation. Participants were presented with two stimulation blocks: a) fixed pressure (2...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28019651/infratentorial-superficial-siderosis-classification-diagnostic-criteria-and-rational-investigation-pathway
#8
Duncan Wilson, Fiona Chatterjee, Simon F Farmer, Peter Rudge, Mark O McCarron, Peter Cowley, David J Werring
Central nervous system infratentorial superficial siderosis (iSS) is increasingly detected by blood-sensitive MRI sequences. Despite this, there are no standardized diagnostic criteria, and the clinical-radiological spectrum, causes and optimum investigation strategy are not established. We reviewed clinical and radiological details of patients with iSS assessed at a specialist neurological center from 2004-2016 using pre-defined standardized radiological criteria. All imaging findings were rated blinded to clinical details...
December 26, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/28012542/audiological-findings-in-children-with-ataxia-telangiectasia-a-t-syndrome
#9
Pretty O Afifi, Hanaa Hussein Elsanadiky
AIM: To assess peripheral and central hearing in children with A-T. METHOD: 3 children diagnosed with A-T according to the diagnostic criteria for A-T of the European Society for Immunodeficiencies. Involuntary movements were seen in the form of chorea-athetosis together with tremors. They were examined to assess both peripheral and central hearing was assessed (hearing thresholds). Sound-field testing, tympanometry, acoustic reflexes, Otoacoustic Emissions (OAEs) and Auditory Brainstem Responses (ABR) were done for all of them...
January 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28003587/free-t3-to-free-t4-ratio-less-than-2-0-suggests-low-t3-syndrome-rather-than-central-hypothyroidism-from-the-age-of-two-to-eighteen-years
#10
Risa Nomura, Kentaro Miyai, Rie Kuge, Takashi Okura, Masahiro Goto, Yukihiro Hasegawa
No serological cut-off exists to separate low T3 syndrome (LT) and central hypothyroidism (CH). The objective of this retrospective study was to propose such a cut-off. The first participant group comprised 52 patients from the age of six to twenty years. This group consisted of patients of 36 anorexia nervosa with LT and 16 CH. The second participant groups comprised 229 patients of all the same range of ages at the same hospital and included LT (n = 58) and CH (n = 4) patients, respectively. The third group of participants comprised 125 LT and 27 CH patients at the same hospital at all ages less than eighteen years...
December 22, 2016: Endocrine Journal
https://www.readbyqxmd.com/read/28003008/glucagon-like-peptide-1-glp-1-receptor-agonists-in-the-treatment-of-obese-women-with-polycystic-ovary-syndrome
#11
Themistoklis Tzotzas, Spyridon N Karras, Niki Katsiki
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in females and is often associated with a number of cardiometabolic disorders such as central obesity, dyslipidaemia, hypertension, insulin resistance, hyperinsulinaemia, glucose intolerance and type 2 diabetes mellitus (T2DM). Glucagon-like peptide-1 (GLP-1), a gut hormone secreted after a meal, enhances glucose-stimulated insulin secretion and additionally suppresses appetite and gastric motility. Most studies found impaired GLP-1 kinetics in obese individuals, whereas small studies in PCOS reported reduced, normal or even elevated GLP-1 levels...
December 21, 2016: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/27994358/retrospective-analysis-of-multiplex-polymerase-chain-reaction-based-molecular-diagnostics-ses-in-70-patients-with-suspected-central-nervous-system-infections-a-single-center-study
#12
Rama Krishnan Tiruppur Chinnappan Ramalingam, Dipanjan Chakraborty
BACKGROUND: Central nervous system (CNS) infections present a grave health care challenge due to high morbidity and mortality. Clinical findings and conventional laboratory assessments are not sufficiently distinct for specific etiologic diagnosis. Identification of pathogens is a key to appropriate therapy. AIM: In this retrospective observational study, we evaluated the efficacy and clinical utility of syndrome evaluation system (SES) for diagnosing clinically suspected CNS infections...
October 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27980111/dna-pkcs-atm-and-atr-interplay-maintains-genome-integrity-during-neurogenesis
#13
Vanessa Enriquez-Rios, Lavinia C Dumitrache, Susanna M Downing, Yang Li, Eric J Brown, Helen R Russell, Peter J McKinnon
: The DNA damage response (DDR) orchestrates a network of cellular processes that integrates cell-cycle control and DNA repair or apoptosis, which serves to maintain genome stability. DNA-PKcs (the catalytic subunit of the DNA-dependent kinase, encoded by PRKDC), ATM (ataxia telangiectasia, mutated) and ATR (ATM and Rad3 related) are related PI3K-like protein kinases and central regulators of the DDR. Defects in these kinases have been linked to neurodegenerative or neurodevelopmental syndromes...
December 15, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27957797/increased-corneal-subbasal-nerve-density-in-patients-with-sj%C3%A3-gren-syndrome-treated-with-topical-cyclosporine-a
#14
Ora Levy, Antoine Labbé, Vincent Borderie, Taous Hamiche, Bénédicte Dupas, Laurent Laroche, Christophe Baudouin, Nacim Bouheraoua
BACKGROUND: To evaluate quantitative and qualitative changes in subbasal corneal nerves (SBN) via in vivo confocal microscopy (IVCM) in patients with Sjögren syndrome dry eye (SSDE) treated with topical cyclosporine A (CsA). DESIGN: Prospective, observational, non-randomized study. PARTICIPANTS: Thirty eyes of 30 patients with SSDE refractory to conventional treatment treated with CsA 0.05% twice daily for six months. Fifteen eyes of 15 healthy, age and gender matched, volunteers constituted the control group at baseline...
December 13, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27934884/rapid-affordable-and-portable-medium-throughput-molecular-device-for-zika-virus
#15
Kamfai Chan, Scott C Weaver, Pui-Yan Wong, Sherly Lie, Eryu Wang, Mathilde Guerbois, Siva Praneeth Vayugundla, Season Wong
Zika virus (ZIKV) has gained global attention as an etiologic agent of fetal microcephaly and Guillain-Barré syndrome. Existing immuno-based rapid tests often fail to distinguish between Zika and related flaviviruses that are common in affected regions of Central and South Americas and the Caribbean. The US CDC and qualified state health department laboratories can perform the reverse transcription polymerase chain reaction (RT-PCR) ZIKV test using highly sophisticated instruments with long turnaround times...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27931056/-guideline-s2k-awmf-of-the-deutsche-gesellschaft-f%C3%A3-r-pneumologie-und-beatmungsmedizin-and-the-deutsche-gesellschaft-f%C3%A3-r-arbeitsmedizin-und-umweltmedizin-diagnostics-and-expert-opinion-in-the-occupational-disease-no-4101-silicosis-including-coal-worker-s-pneumoconiosis
#16
X Baur, M Heger, R M Bohle, K G Hering, K Hofmann-Preiß, D Nowak, A Tannapfel, H Teschler, T Voshaar, T Kraus
During the last 1.5 years an update of the guideline on silicosis was made by an interdisciplinary working group. New medical and scientific knowledge and the experience in expert opinion practice were taken into account.By preparing the initial guideline in 2010 standardization of diagnostics and adaption of the "Moers convention" which was not based on medical knowledge was in the focus, whereas the current update deals with fine emendation and extension, especially of the compensation rate (adaption with the Reichenhall recommendation)...
December 2016: Pneumologie
https://www.readbyqxmd.com/read/27890709/role-of-major-and-brain-specific-sgce-isoforms-in-the-pathogenesis-of-myoclonus-dystonia-syndrome
#17
Jianfeng Xiao, Satya R Vemula, Yi Xue, Mohammad M Khan, Francesca A Carlisle, Adrian J Waite, Derek J Blake, Ioannis Dragatsis, Yu Zhao, Mark S LeDoux
Loss-of-function mutations in SGCE, which encodes ε-sarcoglycan (ε-SG), cause myoclonus-dystonia syndrome (OMIM159900, DYT11). A "major" ε-SG protein derived from CCDS5637.1 (NM_003919.2) and a "brain-specific" protein, that includes sequence derived from alternative exon 11b (CCDS47642.1, NM_001099400.1), are reportedly localized in post- and pre-synaptic membrane fractions, respectively. Moreover, deficiency of the "brain-specific" isoform and other isoforms derived from exon 11b may be central to the pathogenesis of DYT11...
February 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/27872255/proteolipid-protein-deficient-myelin-promotes-axonal-mitochondrial-dysfunction-via-altered-metabolic-coupling
#18
Xinghua Yin, Grahame J Kidd, Nobuhiko Ohno, Guy A Perkins, Mark H Ellisman, Chinthasagar Bastian, Sylvain Brunet, Selva Baltan, Bruce D Trapp
Hereditary spastic paraplegia (HSP) is a neurological syndrome characterized by degeneration of central nervous system (CNS) axons. Mutated HSP proteins include myelin proteolipid protein (PLP) and axon-enriched proteins involved in mitochondrial function, smooth endoplasmic reticulum (SER) structure, and microtubule (MT) stability/function. We characterized axonal mitochondria, SER, and MTs in rodent optic nerves where PLP is replaced by the peripheral nerve myelin protein, P0 (P0-CNS mice). Mitochondrial pathology and degeneration were prominent in juxtaparanodal axoplasm at 1 mo of age...
November 21, 2016: Journal of Cell Biology
https://www.readbyqxmd.com/read/27867888/neck-height-ratio-is-an-important-predictor-of-metabolic-syndrome-among-asian-indians
#19
Chitra Selvan, Deep Dutta, Anubhav Thukral, Titli Nargis, Manoj Kumar, Satinath Mukhopadhyay, Subhankar Chowdhury
BACKGROUND AND AIMS: The predictive potential of neck circumference (NC) based indices (a measure of upper body fat distribution) for predicting metabolic syndrome (MetS) and its components among Indians is not known. This study aimed to evaluate the role of NC and neck height ratio (NHtR) as independent predictors of MetS and its components as compared to traditional anthropometric indices. MATERIALS AND METHODS: A total of 451 individuals from 867 screened individuals, 30-80 years age, without any co-morbid state who gave informed written consent underwent clinical, anthropometric, and biochemical assessment...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27865628/the-genesis-and-presentation-of-anxiety-in-disorders-of-autonomic-overexcitation
#20
Andrew P Owens, David A Low, Valeria Iodice, Hugo D Critchley, Christopher J Mathias
INTRODUCTION: We investigated the genesis and presentation of previously-reported anxiety in disorders of autonomic overexcitation in relation to interoception, body vigilance and trauma to test our hypothesis that patients with the postural tachycardia syndrome (PoTS), vasovagal syncope (VVS) and essential hyperhidrosis (EH) represent atypical anxiety phenotypes in whom affective symptoms are more related to apprehension and vigilance of physiological (interoceptive) feedback than neurotic or trauma-related factors...
October 19, 2016: Autonomic Neuroscience: Basic & Clinical
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