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Peripherical vertigo

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https://read.qxmd.com/read/30759189/abnormal-visuo-vestibular-interactions-in-vestibular-migraine-a-cross-sectional-study
#1
Nadja F Bednarczuk, Angela Bonsu, Marta Casanovas Ortega, Anne-Sophie Fluri, John Chan, Heiko Rust, Fabiano de Melo, Mishaal Sharif, Barry M Seemungal, John F Golding, Diego Kaski, Adolfo M Bronstein, Qadeer Arshad
Vestibular migraine is among the commonest causes of episodic vertigo. Chronically, patients with vestibular migraine develop abnormal responsiveness to both vestibular and visual stimuli characterized by heightened self-motion sensitivity and visually-induced dizziness. Yet, the neural mechanisms mediating such symptoms remain unknown. We postulate that such symptoms are attributable to impaired visuo-vestibular cortical interactions, which in turn disrupts normal vestibular function. To assess this, we investigated whether prolonged, full-field visual motion exposure, which has been previously shown to modulate visual cortical excitability in both healthy individuals and avestibular patients, could disrupt vestibular ocular reflex and vestibular-perceptual thresholds of self-motion during rotations...
February 12, 2019: Brain: a Journal of Neurology
https://read.qxmd.com/read/30743290/acute-dizziness
#2
Kiersten L Gurley, Jonathan A Edlow
Dizziness is a common chief complaint with an extensive differential diagnosis that includes both benign and serious conditions. Physicians must distinguish the majority of patients who suffer from self-limiting conditions from those with serious illnesses that require acute treatment. The preferred approach to the diagnosis of an acutely dizzy patient emphasizes different aspects of the history to guide a focused physical examination, with the goal of differentiating benign peripheral vestibular conditions from dangerous posterior circulation strokes...
February 2019: Seminars in Neurology
https://read.qxmd.com/read/30739502/symptom-severity-and-quality-of-life-in-patients-with-concurrent-neck-pain-and-dizziness
#3
Mari Kalland Knapstad, Frederik Goplen, Jan Sture Skouen, Tove Ask, Stein Helge Glad Nordahl
PURPOSE: There is little knowledge on how neck pain impacts dizzy patients, and if different diagnoses of dizziness associate with neck pain. The aim was to examine differences in dizziness severity, quality of life and demographics in dizzy patients with and without neck pain. Additionally, we examined if neck pain was associated with a non-vestibular or vestibular diagnosis. METHODS: We included 236 consecutive patients referred to an otorhinolaryngological university clinic for vertigo and balance problems...
February 10, 2019: Disability and Rehabilitation
https://read.qxmd.com/read/30714985/evaluation-of-the-effectiveness-of-a-virtual-reality-based-exercise-program-for-unilateral-peripheral-vestibular-deficit
#4
Oskar Rosiak, Krzysztof Krajewski, M Woszczak, Magdalena Jozefowicz-Korczynska
BACKGROUND: Recently, two types of movement sensors have been introduced into Virtual Reality (VR) therapy: motion trackers and force-plate platforms. Combining these two methods could produce better rehabilitation outcomes. Such devices, encompassing motion trackers and force platforms, are referred to as "hybrid" VR units. OBJECTIVE: To assess the effectiveness of a low-cost hybrid VR based vestibular rehabilitation programMETHODS: A prospective, non-randomized, controlled group study comparing training using a hybrid VR unit (Group 1 n = 25) vs...
January 28, 2019: Journal of Vestibular Research: Equilibrium & Orientation
https://read.qxmd.com/read/30670513/benefits-and-harms-of-pregabalin-in-the-management-of-neuropathic-pain-a-rapid-review-and-meta-analysis-of-randomised-clinical-trials
#5
Igho J Onakpoya, Elizabeth T Thomas, Joseph J Lee, Ben Goldacre, Carl J Heneghan
OBJECTIVE: To assess the benefits and harms of pregabalin in the management of neuropathic pain. DESIGN: Rapid review and meta-analysis of phase III, randomised, placebo-controlled trials. PARTICIPANTS: Adults aged 18 years and above with neuropathic pain defined according to the International Association for the Study of Pain criteria. INTERVENTIONS: Pregabalin or placebo. PRIMARY AND SECONDARY OUTCOME MEASURES: Our primary outcomes were pain (as measured using validated scales) and adverse events...
January 21, 2019: BMJ Open
https://read.qxmd.com/read/30665622/isolated-horizontal-canal-hypofunction-differentiating-a-canalith-jam-from-an-acute-peripheral-vestibular-loss
#6
Andrea Castellucci, Pasquale Malara, Cristina Brandolini, Valeria Del Vecchio, Davide Giordano, Angelo Ghidini, Gian Gaetano Ferri, Antonio Pirodda
OBJECTIVES: To describe a unique case of acute vertigo presenting with spontaneous horizontal nystagmus (SHN) and a clinical picture consistent with right acute peripheral vestibular loss (APVL) in which an isolated hypofunction of a horizontal semicircular canal (HSC) permitted to detect a spontaneous canalith jam and treat the patient accordingly. METHODS: Case report and literature review. RESULTS: A 74-year old woman presented with acute vertigo, left-beating SHN and a clinical picture consistent with right APVL...
December 7, 2018: American Journal of Otolaryngology
https://read.qxmd.com/read/30665325/peripheral-vestibulopathy-presenting-as-acute-vertigo-and-spontaneous-nystagmus-with-negative-video-head-impulse-test
#7
Jung-Yup Lee, Chang-Hee Kim, Jin Su Park, Min-Beom Kim
OBJECTIVE: To analyze acute vertigo showing spontaneous nystagmus with negative video head impulse test (vHIT). STUDY DESIGN: Retrospective chart analysis. SETTING: Tertiary referral hospital. SUBJECTS AND METHODS: Over 16 months, 155 patients were identified with acute vertigo with spontaneous nystagmus. Of these 155, 30 (19.4%) were enrolled in this study because they did not show gain loss or catch-up saccades in both sides of the horizontal vHIT...
January 22, 2019: Otolaryngology—Head and Neck Surgery
https://read.qxmd.com/read/30638941/stroke-mimics-and-accuracy-of-referrals-made-by-emergency-department-doctors-in-japan-for-patients-with-suspected-stroke
#8
Narushi Sugii, Alexander Zaboronok, Hiroyuki Fujimori, Naoaki Sato, Keishi Fujita, Eiichi Ishikawa, Akira Matsumura
BACKGROUND: Stroke mimics (SMs)are medical conditions that are at first considered to be of cerebrovascular etiology but turn out to be a condition other than stroke. While many reports on SMs have been published, there have been none from Japan. Thus, we sought to assess the current state of SMs in a Japanese population. METHODS: We collected data of patients referred with suspicion of stroke to neurosurgeons by emergency department (ED) doctors, and we retrospectively evaluated the diagnosis concordance rate between the ED doctors and the neurosurgeons...
January 9, 2019: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://read.qxmd.com/read/30627743/-single-center-retrospective-analysis-of-extracorporal-photopheresis-in-clinical-practice-peripheral-venous-compared-to-central-venous-access
#9
Jasmin Hambsch, Sylvia Büttner, Markus Heck, Jan P Nicolay, Moritz Felcht, Nina Booken, Claus-Detlev Klemke
BACKGROUND: Extracorporal photopheresis (ECP) was shown to be effective without severe side effects in the treatment of cutaneous T cell lymphoma (CTCL) and graft versus host disease (GvHD). However, only few studies investigated the practical aspects of ECP. METHODS: Treatment protocols of 2038 ECP procedures in 52 patients (CTCL, n = 29; GvHD, n = 15; other, n = 8) were evaluated. The patients were treated with the UVAR® XTS™ ECP system (Therakos, Inc...
January 9, 2019: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://read.qxmd.com/read/30599428/the-role-of-vestibular-evoked-myogenic-potentials-in-multiple-sclerosis-related-vertigo-a-systematic-review-of-the-literature
#10
Arianna Di Stadio, L Dipietro, M Ralli, A Greco, G Ricci, E Bernitsas
BACKGROUND: Vertigo is a common symptom of multiple sclerosis (MS) that can be caused by a central or peripheral involvement of the vestibular pathways. Magnetic Resonance Imaging (MRI) is commonly used to evaluate progression of MS but is not sensitive enough to detect small lesions. Vestibular evoked myogenic potentials (VEMPs) are commonly used to evaluate function of vestibular-cochlear pathways. The aim of this literature review is to evaluate the role of VEMPs in patients with MS-related vertigo as a tool to detect demyelinating lesions in the vestibular pathways of MS patients and to monitor MS progression...
December 24, 2018: Multiple Sclerosis and related Disorders
https://read.qxmd.com/read/30586971/vestibular-system-dysfunction-in-patients-after-mild-traumatic-brain-injury
#11
Wojciech Skóra, Ramzes Stańczyk, Anna Pajor, Magdalena Jozefowicz-Korczyńska
INTRODUCTION: In the literature there are some discrepancies concerning the occurrence of vertigo and disequilibrium, as well as the type of vestibular dysfunction in patients after mild traumatic brain injury (MTBI). OBJECTIVE: The aim of the study was to assess the type of vestibular system dysfunction in MTBI patients after injury at baseline and 6-month follow-up. MATERIAL AND METHODS: From a group of 188 patients with vertigo/dizziness and balance instability after MTBI, prospective analysis in 50 patients with abnormal videonystagmography (VNG) were conducted...
December 20, 2018: Annals of Agricultural and Environmental Medicine: AAEM
https://read.qxmd.com/read/30585003/-suppression-head-impulse-paradigm-in-healthy-adult-population-the-values-and-features-of-the-parameters
#12
F Y Chen, Y Z Zhang, C Q Wu, X Y Wei, Y Cheng, J Hu, P Han, Z C Chen, Y Gao, M Xu, Q Zhang
Objective: To observe the parameters of the results of suppression head impulse paradigm (SHIMP) in healthy adults, and to provide reference for evaluating vestibular oculomotor reflex function in patients with peripheral vertigo. Methods: Fifty healthy adults, 22 males and 28 females, aged from 23-65 years, with an average age of (38.5±11.6) years, were recruited from January to March 2018. Parameters provided by the video head pulse software included the gains, the latency and the peak velocity of saccades, and comparison was made with head impulse paradigm (HIMP)...
December 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://read.qxmd.com/read/30577834/implementation-of-evidence-based-practice-for-benign-paroxysmal-positional-vertigo-dizztinct-a-study-protocol-for-an-exploratory-stepped-wedge-randomized-trial
#13
William J Meurer, Kathryn E Beck, Brigid Rowell, Devin Brown, Alexander Tsodikov, Angela Fagerlin, Steven A Telian, Laura Damschroder, Lawrence C An, Lewis B Morgenstern, Misty Ujhely, Laura Loudermilk, Sandeep Vijan, Kevin A Kerber
BACKGROUND: Benign paroxysmal positional vertigo (BPPV) is the most common peripheral vestibular disorder, and accounts for 8% of individuals with moderate or severe dizziness. BPPV patients experience substantial inconveniences and disabilities during symptomatic periods. BPPV therapeutic processes - the Dix-Hallpike Test (DHT) and the Canalith Repositioning Maneuver (CRM) - have an evidence base that is at the clinical practice guideline level. The most commonly used CRM is the modified Epley maneuver...
December 22, 2018: Trials
https://read.qxmd.com/read/30562267/peripheral-vestibular-disorders-an-update
#14
Michael Strupp, Marco Mandalà, Jose A López-Escámez
PURPOSE OF REVIEW: To provide an update on the most frequent peripheral vestibular disorders. RECENT FINDINGS: The on-going classification of vestibular disorders by the Bárány Society represents major progress. The diagnosis of bilateral vestibulopathy (BVP) requires quantitative testing of vestibular function. 'Acute unilateral peripheral vestibulopathy' (AUPVP) is now preferred over 'vestibular neuritis.' Menière's disease is a set of disorders with a significant genetic contribution...
February 2019: Current Opinion in Neurology
https://read.qxmd.com/read/30559714/aging-is-a-risk-factor-for-utricular-dysfunction-in-idiopathic-benign-paroxysmal-positional-vertigo
#15
Chisato Fujimoto, Takuya Kawahara, Makoto Kinoshita, Yayoi S Kikkawa, Keiko Sugasawa, Masato Yagi, Tatsuya Yamasoba, Shinichi Iwasaki, Toshihisa Murofushi
Benign paroxysmal positional vertigo (BPPV) is the most common cause of balance disorders in the elderly. Dislodgement of the otoconia in BPPV might have an association with damage to the otolith organs. The aim of this study was to investigate whether aging is a risk factor for otolith organ dysfunction in idiopathic BPPV. We retrospectively reviewed the medical records of 112 consecutive idiopathic BPPV patients who underwent cervical VEMP testing to air-conducted sound (ACS cVEMP), ocular VEMP testing to bone-conducted vibration (BCV oVEMP), and caloric testing...
2018: Frontiers in Neurology
https://read.qxmd.com/read/30521463/-foodbourne-botulism-a-forgotten-disease
#16
Paula Neves, Jorcélio Vicente, Heidy Cabrera, Iurie Pantazi
Botulism is a serious illness caused by exposure to botulinum toxin. It is manifested by flaccid, paralysis, symmetric and in descending pattern affecting cranial and peripheral nerves. Given the frequent need for invasive mechanical ventilation, these patients should be approached in an intensive care setting. Treatment with anti-botulinum toxin is the only effective treatment. The authors present the case of a 64-year-old patient, with vomiting and vertigo, evolution to diplopia, dysphagia and flaccid, muscle paralysis, installation after ingestion of canning homemade...
November 30, 2018: Acta Médica Portuguesa
https://read.qxmd.com/read/30509014/direction-changing-and-direction-fixed-positional-nystagmus-in-patients-with-vestibular-neuritis-and-meniere-disease
#17
Chang-Hee Kim, Jung Eun Shin, Myung Hoon Yoo, Hong Ju Park
Objectives: Direction-changing positional nystagmus (PN) was considered to indicate the presence of benign paroxysmal positional vertigo involving lateral semicircular canal in most cases. We investigated the incidence of PN on the supine head-roll test and compared the characteristics of nystagmus in patients with vestibular neuritis (VN) and Meniere disease (MD). Methods: A retrospective review of patients, who were diagnosed with unilateral VN or unilateral definite MD between September 2005 and November 2011, was conducted...
December 5, 2018: Clinical and Experimental Otorhinolaryngology
https://read.qxmd.com/read/30504108/-approach-to-patients-with-vertigo
#18
Pablo Young, Melissa Castillo-Bustamante, Carlos J Almirón, Julio E Bruetman, Bárbara C Finn, María A Ricardo, Ana C Binetti
Vertigo is defined as an abnormal sensation of body motion or of its surrounding objects. It is a common chief complaint in emergency departments comprising 2 to 3% of these consultations worldwide. Vertigo is classified as peripheral or central, according to its origin, and can also be occasionally mixed, the most common cause of peripheral involvement being benign paroxysmal positional vertigo. The initial findings on clinical evaluation of patients are the clues for making a correct diagnosis. The differentiation between central and peripheral vertigo can be optimized by analysing nystagmus, by using the skew test and the head impulse test (HINTS), as also by performing the appropriate tests to evaluate the integrity of the vestibular-cerebellar pathway...
2018: Medicina
https://read.qxmd.com/read/30482341/vestibular-dysfunction-and-concussion
#19
Anne Mucha, Sheri Fedor, Danielle DeMarco
The assessment and treatment of sport-related concussion (SRC) often requires a multifaceted approach. Vestibular dysfunction represents an important profile of symptoms and pathology following SRC, with high prevalence and association with prolonged recovery. Signs and symptoms of vestibular dysfunction may include dizziness, vertigo, disequilibrium, nausea, and visual impairment. Identifying the central and peripheral vestibular mechanisms responsible for pathology can aid in management of SRC. The most common vestibular disturbances after SRC include benign paroxysmal positional vertigo, vestibulo-ocular reflex impairment, visual motion sensitivity, and balance impairment...
2018: Handbook of Clinical Neurology
https://read.qxmd.com/read/30461465/vestibular-rehabilitation-advances-in-peripheral-and-central-vestibular-disorders
#20
Pamela M Dunlap, Janene M Holmberg, Susan L Whitney
PURPOSE OF REVIEW: Rehabilitation for persons with vertigo and balance disorders is becoming commonplace and the literature is expanding rapidly. The present review highlights recent findings of both peripheral and central vestibular disorders and provides insight into evidence related to new rehabilitative interventions. Risk factors will be reviewed to create a better understanding of patient and clinical characteristics that may effect recovery among persons with vestibular disorders...
February 2019: Current Opinion in Neurology
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