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https://www.readbyqxmd.com/read/28816696/subjective-visual-vertical-and-horizontal-in-vestibular-migraine
#1
Gaurav Ashish, Ann Mary Augustine, Amit Kumar Tyagi, Anjali Lepcha, Achamma Balraj
OBJECTIVE: To assess the functional status of the otolithic pathway in vestibular migraine by comparing the results of static and dynamic subjective visual vertical and horizontal [subjective visual vertical (SVV) and subjective visual horizontal (SVH)] testing in patients with vestibular migraine with that of normal individuals. MATERIALS AND METHODS: This hospital-based prospective study was conducted in 82 normal adults and 66 adults with vestibular migraine...
August 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28716503/effectiveness-of-otolith-repositioning-maneuvers-and-vestibular-rehabilitation-exercises-in-elderly-people-with-benign-paroxysmal-positional-vertigo-a-systematic-review
#2
Karyna Figueiredo Ribeiro, Bruna Steffeni Oliveira, Raysa V Freitas, Lidiane M Ferreira, Nandini Deshpande, Ricardo O Guerra
INTRODUCTION: Benign Paroxysmal Positional Vertigo is highly prevalent in elderly people. This condition is related to vertigo, hearing loss, tinnitus, poor balance, gait disturbance, and an increase in risk of falls, leading to postural changes and quality of life decreasing. OBJECTIVE: To evaluate the outcomes obtained by clinical trials on the effectiveness of Otolith Repositioning Maneuver and Vestibular Rehabilitation exercises in the treatment of Benign Paroxysmal Positional Vertigo in elderly...
June 29, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28609892/reappraisal-of-i-synagrops-i-g%C3%A3-nther-1887-with-rehabilitation-and-revision-of-i-parascombrops-i-alcock-1889-including-description-of-seven-new-species-and-two-new-genera-perciformes-acropomatidae
#3
Werner W Schwarzhans, Artem M Prokofiev
An ongoing review of the fishes of the basal percoid family Acropomatidae has revealed that the genus Synagrops Günther, 1887 as it is currently understood is not a natural group. Species with a serrated pelvic-fin spine are here placed in the resurrected genus Parascombrops Alcock, 1889 (type-species: Parascombrops pellucidus Alcock, 1889), and the new, monospecific genus Caraibops n. gen. (type-species: Synagrops trispinosus Mochizuki & Sano, 1984). Parascombrops is unique amongst Acropomatidae in the combination of the presence of vacant 8th interneural space, a predorsal formula /0+0/0+2/ and an epaxialis attachment type 1...
May 4, 2017: Zootaxa
https://www.readbyqxmd.com/read/28598949/subjective-visual-vertical-in-idiopathic-bilateral-vestibular-hypofunction-enhanced-role-of-vision-neck-and-body-proprioception
#4
Michel Toupet, Christian Van Nechel, Charlotte Hautefort, Ulla Duquesne, Sylvie Heuschen, Alexis Bozorg Grayeli
INTRODUCTION: We aimed to study the participation of proprioceptive and visual inputs in subjective visual vertical (SVV) in bilateral vestibular hypofunction and in normal subjects. STUDY DESIGN: Prospective case-control study. SETTING: Tertiary referral center. MATERIALS AND METHODS: SVV (six replicates) was measured on a tiltable rehabilitation seat in 26 adult patients with idiopathic bilateral vestibular hypofunction (IBVH) and 33 adult controls...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28443004/assessing-somatosensory-utilization-during-unipedal-postural-control
#5
Rahul Goel, Yiri E De Dios, Nichole E Gadd, Erin E Caldwell, Brian T Peters, Millard F Reschke, Jacob J Bloomberg, Lars I E Oddsson, Ajitkumar P Mulavara
Multisensory-visual, vestibular and somatosensory information is integrated for appropriate postural control. The primary goal of this study was to assess somatosensory utilization during a functional motor task of unipedal postural control, in normal healthy adults. Assessing individual bias in the utilization of individual sensory contributions during postural control may help customization of rehabilitation protocols. In this study, a test paradigm of unipedal stance control in supine orientation with and without vision was assessed...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/27812348/an-attempt-of-early-detection-of-poor-outcome-after-whiplash
#6
Sebastien Laporte, Danping Wang, Jennyfer Lecompte, Sophie Blancho, Baptiste Sandoz, Antoine Feydy, Pavel Lindberg, Julien Adrian, Elodie Chiarovano, Catherine de Waele, Pierre-Paul Vidal
The main concern with whiplash is that a large proportion of whiplash patients experience disabling symptoms or whiplash-associated disorders (WAD) for months if not years following the accident. Therefore, identifying early prognostic factors of WAD development is important as WAD have widespread clinical and economic consequences. In order to tackle that question, our study was specifically aimed at combining several methods of investigation in the same WAD patients at the acute stage and 6 months later...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27679562/stimulation-from-cochlear-implant-electrodes-assists-with-recovery-from-asymmetric-perceptual-tilt-evidence-from-the-subjective-visual-vertical-test
#7
Joshua J Gnanasegaram, William J Parkes, Sharon L Cushing, Carmen L McKnight, Blake C Papsin, Karen A Gordon
Vestibular end organ impairment is highly prevalent in children who have sensorineural hearing loss (SNHL) rehabilitated with cochlear implants (CIs). As a result, spatial perception is likely to be impacted in this population. Of particular interest is the perception of visual vertical because it reflects a perceptual tilt in the roll axis and is sensitive to an imbalance in otolith function. The objectives of the present study were thus to identify abnormalities in perception of the vertical plane in children with SNHL and determine whether such abnormalities could be resolved with stimulation from the CI...
2016: Frontiers in Integrative Neuroscience
https://www.readbyqxmd.com/read/27676762/effect-of-a-vestibular-rehabilitation-protocol-to-improve-the-health-related-quality-of-life-and-postural-balance-in-patients-with-peripheral-vertigo
#8
Salma Jeribi, Abdelmoneem Yahia, Imen Achour, Bouthaina Hammemi, Abdelmoneem Ghorbel, Mohamed Habib Elleuch, Sameh Ghroubi
OBJECTIVE: To determine the effect of completing a vestibular rehabilitation treatment protocol on postural balance, dizziness and quality of life in patients with peripheral vertigo. MATERIAL/PATIENTS AND METHODS: A prospective study concerning patients with instability due to unilateral peripheral vestibular disorder. The patients were evaluated with a clinical examination and a test of static and dynamic balance on the Satel(®) platform in which length, mediolateral (LongX) and anterior-posterior deviations (long Y) were monitored...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27220295/-the-application-of-subjective-visual-gravity-in-assessment-of-vestibular-compensation-a-pilot-study
#9
Yuan Zhao, Taisheng Chen, Wei Wang, Kaixu Xu, Chao Wen, Qiang Liu, Xi Han, Shanshan Li, Xiaojie Li, Peng Lin
OBJECTIVE: To discuss the characteristics of subjective visual gravity (subjective visual vertical/horizontal, SVV/SVH) and assess its clinical application for peripheral unilateral vestibular compensation. METHODS: 69 cases of acute peripheral unilateral vestibular dysfunction patients (case group) accepted SVV/SVH, spontaneous nystagmus (SN), caloric test (CT) and other vestibular function tests. 49 healthy people (control group) accepted SVV/SVH only. SVV/SVH, SN and unilateral weakness (UW) were selected as for the observation indicators...
May 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/26920418/recent-evidence-about-the-effectiveness-of-vestibular-rehabilitation
#10
Susan L Whitney, Ahmad H Alghadir, Shahnawaz Anwer
Vestibular rehabilitation of persons with peripheral and central vestibular disorders requires a thorough evaluation and a customized plan of care. Collaboration of the various members of the treatment team optimizes outcomes. Early intervention appears to be better than referring patients who have developed chronic symptoms of balance loss, dizziness, anxiety, and depression. There is a body of emerging evidence that supports that the central nervous system has the capability to reweigh sensory inputs in order to improve function...
March 2016: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/26161271/subjective-visual-vertical-during-caloric-stimulation-in-healthy-subjects-implications-to-research-and-neurorehabilitation
#11
Martha Funabashi, Aline I Flores, Amanda Vicentino, Camila G C Barros, Octavio M Pontes-Neto, João P Leite, Taiza E G Santos-Pontelli
Background. The subjective visual vertical (SVV) is a perception often impaired in patients with neurologic disorders and is considered a sensitive tool to detect otolithic dysfunctions. However, it remains unclear whether the semicircular canals (SCCs) are also involved in the visual vertical perception. Objective. The aim of this study was to analyze the influence of horizontal SCCs on SVV by caloric stimulation in healthy subjects. Methods. SVV was performed before and during the ice-cold caloric stimulation (4°C, right ear) in 30 healthy subjects...
2015: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/26082691/binocular-misalignments-elicited-by-altered-gravity-provide-evidence-for-nonlinear-central-compensation
#12
Kara H Beaton, W Cary Huffman, Michael C Schubert
Increased ocular positioning misalignments upon exposure to altered gravity levels (g-levels) have been strongly correlated with space motion sickness (SMS) severity, possibly due to underlying otolith asymmetries uncompensated in novel gravitational environments. We investigated vertical and torsional ocular positioning misalignments elicited by the 0 and 1.8 g g-levels of parabolic flight and used these data to develop a computational model to describe how such misalignments might arise. Ocular misalignments were inferred through two perceptual nulling tasks: Vertical Alignment Nulling (VAN) and Torsional Alignment Nulling (TAN)...
2015: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/25825004/the-effects-of-abnormality-of-cvemp-and-ovemp-on-rehabilitation-outcomes-in-patients-with-idiopathic-benign-paroxysmal-positional-vertigo
#13
Reza Hoseinabadi, Akram Pourbakht, Nasrin Yazdani, Ali Kouhi, Mohammad Kamali
The presence of utricular and saccular dysfunction impairs quality of life (QoL) in patients. The aims of the present study were to examine the effect of repositioning maneuvers on QoL of patients with idiopathic benign paroxysmal positional vertigo (BPPV) and to describe the effect of cervical vestibular-evoked myogenic potential (cVEMP) or ocular VEMP (oVEMP) abnormalities on patient recovery after rehabilitation. Thirty idiopathic BPPV patients with/without otolith dysfunctions (n = 15, each group) were included in this clinical trial study...
March 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/25820582/objective-vestibular-testing-of-children-with-dizziness-and-balance-complaints-following-sports-related-concussions
#14
Guangwei Zhou, Jacob R Brodsky
OBJECTIVE: To conduct objective assessment of children with balance and vestibular complaints following sports-related concussions and identify the underlying deficits by analyzing laboratory test outcomes. STUDY DESIGNS: Case series with chart review. SETTING: Pediatric tertiary care facility. SUBJECTS AND METHODS: Medical records were reviewed of 42 pediatric patients with balance and/or vestibular complaints following sports-related concussions who underwent comprehensive laboratory testing on their balance and vestibular function...
June 2015: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/24769628/utricular-dysfunction-in-refractory-benign-paroxysmal-positional-vertigo
#15
Simon I Angeli, Marianne Abouyared, Hillary Snapp, Daniel Jethanamest
OBJECTIVE: To determine the prevalence of otolith dysfunction in patients with refractory benign paroxysmal positional vertigo (BPPV). STUDY DESIGN: Unmatched case control. SETTING: Tertiary care institution. SUBJECTS AND METHODS: Patients included were diagnosed with BPPV, failed initial in-office canalith repositioning maneuvers (CRMs), and completed vestibular testing and vestibular rehabilitation (n = 40). Refractory BPPV (n = 19) was defined in patients whose symptoms did not resolve despite vestibular rehabilitation...
August 2014: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/23632787/spontaneous-plugging-of-the-horizontal-semicircular-canal-with-reversible-canal-dysfunction-and-recovery-of-vestibular-evoked-myogenic-potentials
#16
Leonel Luis, João Costa, Fernando Vaz Garcia, Josep Valls-Solé, Thomas Brandt, Erich Schneider
OBJECTIVE: To evaluate the clinical pathophysiology of oculomotor changes in a patient presenting with a spontaneous semicircular horizontal canal plug. PATIENT: A 42-year-old man with acute spontaneous vertigo with spinning and persistent left-horizontal nystagmus, intensity but not direction dependent on head orientation with respect to gravity, indicating a benign paroxysmal positional vertigo due to otoconia causing a plug in the horizontal semicircular canal...
June 2013: Otology & Neurotology
https://www.readbyqxmd.com/read/23503906/body-balance-in-elderly-patients-12-months-after-treatment-for-bppv
#17
COMPARATIVE STUDY
Solange Martiliano Lança, Juliana Maria Gazzola, Cristiane Akemi Kasse, Fatima Cristina Alves Branco-Barreiro, Daniela Patricia Vaz, Renata Coelho Scharlach
UNLABELLED: Benign Paroxysmal Positional Vertigo is highly prevalent in the elderly population, triggering major changes in body balance. OBJECTIVE: To compare the results obtained from static posturography in the elderly before and after otoliths repositioning maneuvers and 12 months after treatment onset. DESIGN: longitudinal, descriptive and analytical study. METHOD: Elderly patients with clinical diagnosis of BPPV submitted to Balance Rehabilitation Unit static posturography in 10 sensory conditions at three time intervals: before and after the repositioning maneuver and12 months after the treatment RESULTS: We studied 23 subjects with a mean age of 68...
January 2013: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/22699991/decline-in-semicircular-canal-and-otolith-function-with-age
#18
Yuri Agrawal, Maria Geraldine Zuniga, Marcela Davalos-Bichara, Michael C Schubert, Jeremy D Walston, Jennifer Hughes, John P Carey
OBJECTIVE: To characterize the physiologic nature of the vestibular dysfunction that occurs with the normative aging process. STUDY DESIGN: Cross-sectional study. SETTING: Tertiary care academic medical center. PATIENTS: Fifty individuals age 70 years and above. INTERVENTIONS: Head thrust dynamic visual acuity testing and cervical and ocular vestibular-evoked myogenic potential (VEMP) testing. MAIN OUTCOME MEASURES: Semicircular canal function measured by head thrust dynamic visual acuity testing in each of the 3 semicircular canal planes, and saccular and utricular function measured by cervical VEMP and ocular VEMP testing, respectively...
July 2012: Otology & Neurotology
https://www.readbyqxmd.com/read/22333692/benign-paroxysmal-positional-vertigo-in-a-child-an-infrequent-complication-following-a-fairground-ride-and-post-cochlear-implant-surgery
#19
Anuradha Shetye
OBJECTIVE AND IMPORTANCE: Benign paroxysmal positional vertigo (BPPV) is an uncommon complication that can develop after cochlear implantation. This condition has been documented in adults as a complication of cochlear implant surgery. However, there is no reported literature on BPPV in children who have undergone cochlear implant surgery. CLINICAL PRESENTATION: A 13-year-old girl underwent the insertion of a cochlear implant and developed BPPV as a result of visiting fairground rides approximately 2 years after surgery...
August 2012: Cochlear Implants International
https://www.readbyqxmd.com/read/22157390/double-impairment-clinical-identification-of-33-cases-of-cerebellar-ataxia-with-bilateral-vestibulopathy
#20
David D Pothier, John A Rutka, Paul J Ranalli
OBJECTIVE: Following recently described small series of patients with the syndrome of cerebellar ataxia with bilateral vestibulopathy (CABV), the authors undertook a careful clinical and laboratory assessment of patients who presented to their unit with characteristics of this syndrome. STUDY DESIGN: Case note review. SETTING: Tertiary, university-based, multidisciplinary neurootology clinic. SUBJECTS: Thirty-three patients whose characteristics fit this syndrome...
May 2012: Otolaryngology—Head and Neck Surgery
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