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Journal of Vestibular Research: Equilibrium & Orientation

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https://www.readbyqxmd.com/read/30373968/suppression-head-impulse-paradigm-in-healthy-adolescents-a-novel-variant-of-the-head-impulse-test
#1
Louise Devantier, Emma Hoskison, Therese Ovesen, Jens-Jacob MØlby Henriksen
BACKGROUND: Suppression Head Impulse Paradigm (SHIMP), a novel variant of the Head Impulse Test has been introduced. At the same time, the Head Impulse Test was renamed to the Head Impulse Paradigm (HIMP). Contrary to HIMP saccades, SHIMP saccades are a sign of vestibular function. OBJECTIVE: 1) To compare SHIMP and HIMP feasibility, vestibular-ocular reflex (VOR) gain value and the saccadic pattern in healthy adolescents. 2) To compare SHIMP and HIMP feasibility in the hands of an experienced and an inexperienced HIMP examiner...
October 22, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30282385/letter-to-the-editor
#2
(no author information available yet)
No abstract text is available yet for this article.
September 25, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30282384/vestibular-dysfunction-beyond-benign-paroxysmal-positional-vertigo-affects-mental-rotations-comment-on-visual-dependence-and-spatial-orientation-in-benign-paroxysmal-positional-vertigo
#3
Alessandro Micarelli, Matteo Candidi, Andrea Viziano, Marco Alessandrini
No abstract text is available yet for this article.
September 25, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30282383/the-occlusion-effect-in-bone-conducted-cvemp
#4
Ophir Handzel, Mordechai Himmelfarb
BACKGROUND: Vestibular evoked myogenic potentials (VEMP) are transient alteration in tonic activity of muscles elicited by auditory stimulation of the otolithic organs of the ear. VEMP can be triggered by auditory stimulation via air or bone conduction. Occlusion of the external auditory meatus has long been known decrease thresholds for sound perception medicated by the cochlea. OBJECTIVE: Proof that the occlusion effect is present for bone conducted (BC) cervical VEMPs (cVEMP)...
September 25, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30149485/benign-paroxysmal-positional-vertigo-associated-with-meniere-s-disease
#5
Meichan Zhu, Feng Yu, Feng Zhou, Haitao Wang, Yuenong Jiao, Meng Wang, Lifen Huang, Zijian Liang
OBJECTIVE: We studied the clinical features of benign paroxysmal positional vertigo (BPPV) associated with Meniere's disease. METHODS: The medical records of 120 patients with BPPV was retrospectively analyzed. Complete otolaryngological, audiological, and neurotological evaluation results were available for all patients, including nystagmography. All patients were diagnosed using the Dix-Hallpike test or roll test and treated with the canalith repositioning procedure...
August 21, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30149484/asking-about-dizziness-when-turning-in-bed-predicts-examination-findings-for-benign-paroxysmal-positional-vertigo
#6
Ellen Lindell, Caterina Finizia, Mia Johansson, Therese Karlsson, Jerker Nilson, Måns Magnusson
BACKGROUND: Benign paroxysmal positional vertigo (BPPV) is the single most common cause of vestibular vertigo and is characterised by short episodes of rotational vertigo precipitated by changes in head positions like lying down or turning in bed. OBJECTIVE: This study aims to assess useful questions when suspecting benign paroxysmal positional vertigo (BPPV) caused dizziness as well as identifying if a single question can be useful in identify or distinguish patients with BPPV from other dizziness aetiology...
August 21, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30149483/perception-of-threshold-level-whole-body-motion-during-mechanical-mastoid-vibration
#7
Rakshatha Kabbaligere, Charles S Layne, Faisal Karmali
BACKGROUND: Vibration applied on the mastoid has been shown to be an excitatory stimulus to the vestibular receptors, but its effect on vestibular perception is unknown. OBJECTIVE: Determine whether mastoid vibration affects yaw rotation perception using a self-motion perceptual direction-recognition task. METHODS: We used continuous, bilateral, mechanical mastoid vibration using a stimulus with frequency content between 1 and 500 Hz. Vestibular perception of 10 healthy adults (M±S...
August 21, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29843293/impact-of-tumarkin-attacks-on-complaints-and-work-ability-in-m%C3%A3-ni%C3%A3-re-s-disease
#8
Ilmari Pyykkö, Vinaya Manchaiah, Jing Zou, Hilla Levo, Erna Kentala
The purpose of the present study was to characterize the occurrence of Tumarkin attacks in patients with Ménière'sdisease (MD), and to study its association with reported complaints, severity of consequences, and also self-reported work ability. The study used a cross-sectional design. Data obtained from the Finnish Ménière Federation using an electronic survey was analyzed. 602 people with MD responded to the survey (62% response rate) with a mean age of 56.7 years and a mean duration of the disease 12...
May 22, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29689764/a-speed-based-approach-to-vestibular-rehabilitation-for-peripheral-vestibular-hypofunction-a-retrospective-chart-review
#9
Robert Alan Roller, Courtney D Hall
BACKGROUND: Current vestibular rehabilitation for peripheral vestibular hypofunction is an exercise-based approach that improves symptoms and function in most, but not all patients, and includes gaze stabilization exercises focused on duration of head movement. One factor that may impact rehabilitation outcomes is the speed of head movement during gaze stability exercises. OBJECTIVE: Examine outcomes of modified VOR X1 exercises that emphasize a speed-based approach for gaze stabilization while omitting substitution and habituation exercises...
April 18, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29689763/relationship-between-motion-sickness-susceptibility-and-vestibulo-ocular-reflex-gain-and-phase
#10
Gilles Clément, Millard F Reschke
BACKGROUND: It has been proposed that individual susceptibility to motion sickness is related to the vestibulo-ocular reflex (VOR) through the activation of the velocity storage mechanism. OBJECTIVE: We investigated whether motion sickness level was related to the gain and phase of the VOR. METHODS: VOR gain and phase were measured in 214 subjects while they rotated in yaw at 0.01 Hz, 0.02 Hz, 0.04 Hz, 0.08 Hz, and 0.16 Hz in darkness, and results were compared to the severity of symptoms the subjects experienced during subsequent tests to provoke motion sickness...
April 18, 2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/30347633/usefulness-of-galvanically-induced-nystagmus-as-a-diagnostic-test-of-peripheral-vestibular-hypofunction
#11
Claudio Krstulovic Roa
BACKGROUND: Galvanic Vestibular Stimulation (GVS) has long been used as a vestibular stimulus. A major issue observed in GVS research was the high variability of the responses, which has led some researchers to question its diagnostic utility. OBJECTIVES: Determine the diagnostic accuracy of galvanically induced nystagmus for the diagnosis of subjects with unilateral peripheral vestibular hypofunction. METHODS: A total of 195 dizzy patients were prospectively enrolled, forming a consecutive series as they were received...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29889091/abstracts-from-the-30th-b%C3%A3-r%C3%A3-ny-society-meeting-uppsala-sweden-june-10-13-2018
#12
(no author information available yet)
No abstract text is available yet for this article.
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400689/effect-of-spaceflight-on-the-spatial-orientation-of-the-vestibulo-ocular-reflex-during-eccentric-roll-rotation-a-case-report
#13
Millard F Reschke, Scott J Wood, Gilles Clément
BACKGROUND: Ground-based studies have reported shifts of the vestibulo-ocular reflex (VOR) slow phase velocity (SPV) axis toward the resultant gravito-inertial force vector. The VOR was examined during eccentric roll rotation before, during and after an 8-day orbital mission. On orbit this vector is aligned with the head z-axis. Our hypothesis was that eccentric roll rotation on orbit would generate horizontal eye movements. METHODS: Two subjects were rotated in a semi-supine position with the head nasal-occipital axis parallel to the axis of rotation and 0...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400688/treatment-of-vestibular-disorders-with-weak-asymmetric-base-in-prisms-an-hypothesis-with-a-focus-on-m%C3%A3-ni%C3%A3-re-s-disease
#14
Jelte E Bos, Astrid J A Lubeck, P Eric M Vente
BACKGROUND: Regular treatments of Ménière's disease (MD) vary largely, and no single satisfactory treatment exists. A complementary treatment popular among Dutch and Belgian patients involves eyeglasses with weak asymmetric base-in prisms, with a perceived high success rate. An explanatory mechanism is, however, lacking. OBJECTIVE: To speculate on a working mechanism explaining an effectiveness of weak asymmetric base-in prims in MD, based on available knowledge...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400687/vergence-increases-the-gain-of-the-human-angular-vestibulo-ocular-reflex-during-peripheral-hyposensitivity-elicited-by-cold-thermal-irrigation
#15
László T Tamás, Yunxia W Lundberg, Béla Büki
BACKGROUND: When viewing a far target, the gain of the horizontal vestibulo-ocular reflex (VOR) is around 1.0, but when viewing a near target there is an increased response. It has been shown that while this convergence-mediated modulation is unaffected by canal plugging and clinically practical transmastoid galvanic stimulation, it is eliminated by a partial peripheral gentamicin lesion. OBJECTIVE: The aim of this study was to determine if convergence increases the gain during peripheral hyposensitivity elicited by cold thermal irrigation...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400686/prehab-vs-rehab-presurgical-treatment-in-vestibular-schwannoma-surgery-enhances-recovery-of-postural-control-better-than-postoperative-rehabilitation-retrospective-case-series
#16
Fredrik Tjernström, Per-Anders Fransson, Babar Kahlon, Mikael Karlberg, Sven Lindberg, Peter Siesjö, Måns Magnusson
OBJECT: To evaluate post-surgical postural stability when treating patients with remaining vestibular function with intratympanic gentamicin (PREHAB) prior to schwannoma surgery. METHOD: 44 consecutive patients with some form remaining vestibular function scheduled for vestibular schwannoma surgery. 20 were medically deafferented with intratympanic gentamicin before surgery and 24 were not. Both groups were of the same age, had the same tumor size, same type of surgery, and same perioperative sensory rehabilitation (training exercises), and no surgical complications...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400685/bone-mineral-density-and-serum-25-hydroxyvitamin-d-in-patients-with-idiopathic-benign-paroxysmal-positional-vertigo
#17
Chan Joo Yang, Yehree Kim, Hwan Seo Lee, Hong Ju Park
The aim of this study was to evaluate the relationship between bone mineral density (BMD) and 25-hydroxyvitamin D with the occurrence and recurrence of BPPV. The records of 130 idiopathic BPPV patients (55±12 years old, 30 men and 100 women) and 130 age- and sex-matched controls who underwent bone mineral densitometry between April 2012 and September 2015 were reviewed retrospectively. We compared the BMD and serum 25-hydroxyvitamin D between the patients and controls, and also compared the BMD between recurrent and non-recurrent BPPV groups...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29400684/visual-dependence-and-spatial-orientation-in-benign-paroxysmal-positional-vertigo
#18
COMPARATIVE STUDY
Maitreyi A Nair, Ajitkumar P Mulavara, Jacob J Bloomberg, Haleh Sangi-Haghpeykar, Helen S Cohen
People with benign paroxysmal positional vertigo (BPPV) probably have otoconial particles displaced from the utricle into the posterior semicircular canal. This unilateral change in the inertial load distributions of the labyrinth may result in visual dependence and may affect balance control. The goal of this study was to explore the interaction between visual dependence and balance control. We compared 23 healthy controls to 17 people with unilateral BPPV on the Clinical Test of Sensory Interaction and Balance on compliant foam with feet together, the Rod-and-Frame Test and a Mental Rotation Test...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29154301/a-closer-look-at-subjective-caloric-sensations-is-there-more-to-vertigo-than-spinning
#19
Tamara Mijovic, Andrew Remillard, Erica Helena Zaia, Yvette Marie Reid, Jolene Kim Harrington, Brian David Westerberg, Jane Lea
BACKGROUND: There is a prevailing opinion that spinning sensations signify a peripheral vestibular pathology while non-spinning sensations are not of vestibular origin. OBJECTIVES: 1) Characterize the subjective sensations reported by patients during caloric testing. 2) Assess if the sensation was correlated with the peak slow phase velocity (SPV). METHODS: Retrospective chart review at a Canadian adult tertiary-quaternary care balance centre for patients undergoing diagnostic caloric testing between December 2014 and September 2015...
2018: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29125531/posturographic-pattern-of-patients-with-chronic-subjective-dizziness-before-and-after-vestibular-rehabilitation
#20
Benoît Morisod, Maxime Mermod, Raphaël Maire
INTRODUCTION: Chronic subjective dizziness (CSD) is frequently encountered in neurotology clinics. This diagnosis is mainly clinical, but computerized dynamic posturography (CDP) could be a helpful instrumental tool in the identification of these patients and validation of the treatment. This study was aimed to look for a specific posturographic pattern among patients diagnosed with CSD, and to eventually visualize improvement after vestibular rehabilitation. METHODS: Single center, retrospective review from 2009 to 2014...
2018: Journal of Vestibular Research: Equilibrium & Orientation
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