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Vestibular testing

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https://www.readbyqxmd.com/read/29923897/center-of-pressure-trace-and-sensory-components-of-the-limits-of-stability-test-in-older-adults-with-vertebral-compression-fractures
#1
Fang-Chuan Kuo, Shin-Tsu Chang, Yin-Yin Liao, Cheng-Hung Lee
BACKGROUND AND PURPOSE: Patients with vertebral compression fracture (VCF) usually exhibit impaired postural control and consequently are at an increased risk of falling. This study aimed to assess the sensory and kinematic components of the limits of stability (LOS) test in patients with VCF. METHODS: This study enrolled 13 adults with (VCF), 13 older adults without spinal deformity (NE), and 13 young adults (NY). The Biodex balance system was employed to calculate the balance score and the LOS of participants...
June 19, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29921052/-effect-of-a-self-createdquestionnaire-to-the-history-collection-of-patients-with-vertigo-or-dizziness
#2
J J Li, Y F Li, Q Li, X L Liu, Y L Liu, W Y Shi, R Liu
Objective: To develop a self-designed questionnaire for history collection of patients with vertigo or dizziness, and to analyze its effect to clinical work. Method: An observational study was conducted to collect 69 patients who had undergone vestibular function tests in our department with main complaints of " dizziness and dizziness".Information was extracted from the questionnaires filled by patients themselves and the inpatient medical records wrote by doctors.The differences in ability to reflect clinically important information was investigated between the questionnaire and medical record...
June 5, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29921051/-classification-of-acute-vestibular-syndrome
#3
Q X Yao, H Wang, Q Luo, Z D Yu, H B Shi, S K Yin
Objective: To explore the epidemiological characteristics and to help accomplish accurate diagnosis and treatment strategies by analyzing the composition and clinical features of various diseases with acute constant vertigo. Method: We retrospectively analyzed medical records (including name, sex, age, diabetes, hypertension, history of vertigo, family history, etc.),otoneurological examination, vestibular function tests and radiological examination of patients with acute vestibular syndrome.We classified various diseases according to diagnostic criteria, and then analyze the clinical data...
June 5, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29915556/the-reliance-on-vestibular-information-during-standing-balance-control-decreases-with-severity-of-vestibular-dysfunction
#4
Joost van Kordelaar, Jantsje H Pasma, Massimo Cenciarini, Alfred C Schouten, Herman van der Kooij, Christoph Maurer
The vestibular system is involved in gaze stabilization and standing balance control. However, it is unclear whether vestibular dysfunction affects both processes to a similar extent. Therefore, the objective of this study was to determine how the reliance on vestibular information during standing balance control is related to gaze stabilization deficits in patients with vestibular dysfunction. Eleven patients with vestibular dysfunction and twelve healthy subjects were included. Gaze stabilization deficits were established by spontaneous nystagmus examination, caloric test, rotational chair test, and head impulse test...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29913664/a118g-polymorphism-in-the-%C3%AE-opioid-receptor-gene-and-levels-of-%C3%AE-endorphin-are-associated-with-provoked-vestibulodynia-and-pressure-pain-sensitivity
#5
Ulrika Heddini, Ulrika Johannesson, Alfhild Grönbladh, Fred Nyberg, Kent W Nilsson, Nina Bohm-Starke
Background and aims Provoked vestibulodynia (PVD) is the most common cause of dyspareunia among young women. The aetiology is largely unknown and treatment is often extensive and longstanding with varying outcomes. Patients display general pain hypersensitivity and there are correlations with other chronic pain syndromes such as fibromyalgia later in life. The A118G polymorphism in the μ-opioid receptor (OPRM1) gene influences endogenous pain regulation and pain sensitivity, but has not been studied in this patient group before...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29912834/vestibular-outcomes-in-bilateral-posterior-semicircular-canal-occlusion-for-refractory-benign-positional-vertigo
#6
Simon D Carr, John A Rutka
INTRODUCTION: Bilateral posterior semicircular canal (PSCC) occlusion is a successful treatment of bilateral benign positional vertigo (BPV) refractory to particle repositioning manoeuvers. Little about the effects on the vestibular ocular reflex (VOR) postoperatively, which is the intent of this study. METHODS: All patients who underwent bilateral posterior canal occlusion for BPV at the University Health Network by the senior author (J.A.R.) between 2001 and 2017 with pre- and postoperative vestibular testing were included in the study...
June 15, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29912833/ocular-and-cervical-vestibular-evoked-myogenic-potentials-in-patients-with-vestibular-migraine
#7
Kathryn F Makowiec, Erin G Piker, Gary P Jacobson, Nabih M Ramadan, Richard A Roberts
OBJECTIVE: To evaluate the relationship between normal and abnormal ocular vestibular evoked myogenic potentials (oVEMP) and cervical vestibular evoked myogenic potentials (cVEMP) in patients with and without vestibular migraine (VM). STUDY DESIGN: Retrospective review of oVEMP and cVEMP results in patients with vestibular disorders who were assessed clinically and completed vestibular function studies. Data were extracted from a deidentified RedCap Repository. SETTING: Tertiary care multispecialty medical center...
June 15, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29904366/bilateral-vestibular-weakness
#8
REVIEW
Timothy C Hain, Marcello Cherchi, Dario Andres Yacovino
Bilateral vestibular weakness (BVW) is a rare cause of imbalance. Patients with BVW complain of oscillopsia. In approximately half of the patients with BVW, the cause remains undetermined; in the remainder, the most common etiology by far is gentamicin ototoxicity, followed by much rarer entities such as autoimmune inner ear disease, meningitis, bilateral Ménière's disease, bilateral vestibular neuritis, and bilateral vestibular schwannomas. While a number of bedside tests may raise the suspicion of BVW, the diagnosis should be confirmed by rotatory chair testing...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29903449/neuro-ophthalmologic-assessment-and-investigations-in-children-and-adults-with-cerebellar-diseases
#9
Alexander A Tarnutzer, Dominik Straumann, Michael S Salman
In this chapter, we present the bedside assessment and laboratory tests that are available for the neuro-ophthalmologic evaluation of children and adults with cerebellar diseases. In the evaluation of a patient with cerebellar dysfunction, recognizing the pattern of ocular motor and / or vestibular impairment is often a key step to the correct diagnosis. The cerebellum is very important in processing a wide range of different eye movements, including angular vestibulo-ocular reflexes, otolith-ocular reflexes, fixation and gaze holding, smooth pursuit eye movements, saccadic eye movements, optokinetic response, ocular alignment, and vergence...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29894381/failure-on-the-foam-eyes-closed-test-of-standing-balance-associated-with-reduced-semicircular-canal-function-in-healthy-older-adults
#10
Eric Anson, Robin T Bigelow, Stephanie Studenski, Nandini Deshpande, Yuri Agrawal
OBJECTIVES: Standing on foam with eyes closed (FOEC) has been characterized as a measure of vestibular function; however, the relative contribution of vestibular function and proprioceptive function to the FOEC test has not been well described. In this study, the authors investigate the relationship between peripheral sensory systems (vestibular and proprioception) and performance on the FOEC test in a cohort of healthy adults. DESIGN: A total of 563 community-dwelling healthy adults (mean age, 72...
June 11, 2018: Ear and Hearing
https://www.readbyqxmd.com/read/29889788/vestibular-dysfunction-in-patients-with-superficial-siderosis-of-the-central-nervous-system
#11
Takamori Takeda, Yoshiyuki Kawashima, Chiaki Hirai, Ayane Makabe, Taku Ito, Taro Fujikawa, Katsura Yamamoto, Ayako Maruyama, Takeshi Tsutsumi
OBJECTIVE: To describe the vestibular function in patients with superficial siderosis of the central nervous system (SSCN). STUDY DESIGN: Retrospective analysis. SETTING: Tertiary referral center. PATIENTS: Ten consecutive patients with SSCN. This study is the largest case series of SSCN in which detailed neuro-otological findings, including electronystagmography recording, video head impulse test (vHIT), and posturography, were described...
July 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29889787/vestibular-function-and-hippocampal-volume-in-the-baltimore-longitudinal-study-of-aging-blsa
#12
Rebecca J Kamil, Athira Jacob, John Tilak Ratnanather, Susan M Resnick, Yuri Agrawal
OBJECTIVE: This study evaluated whether reduced vestibular function in aging adults is associated with lower hippocampal volume. STUDY DESIGN: Cross-sectional study. SETTING: Baltimore Longitudinal Study of Aging, a long-running longitudinal cohort study of healthy aging. PATIENTS: Eligible participants were aged ≥ 60 years and had both vestibular physiological testing and brain magnetic resonance imaging at the same visit...
July 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29889786/lateral-semicircular-canal-pressures-during-cochlear-implant-electrode-insertion-a-possible-mechanism-for-postoperative-vestibular-loss
#13
Renee M Banakis Hartl, Nathaniel T Greene, Herman A Jenkins, Stephen P Cass, Daniel J Tollin
HYPOTHESIS: Insertion of cochlear implant electrodes generates transient pressure spikes within the vestibular labyrinth equivalent to high-intensity acoustic stimuli. BACKGROUND: Though cochlear implant (CI) surgery is regarded as having low risk of impacting the vestibular system, several studies have documented changes in vestibular function after implantation. The mechanism of these changes is not understood. We have previously established that large, potentially damaging pressure transients can be generated in the cochlea during electrode insertion, but whether pressure transients occur within the vestibular labyrinth has yet to be determined...
July 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29889286/middle-fossa-approach-for-resection-of-vestibular-schwannomas-a-decade-of-experience
#14
Jennifer A Kosty, Shawn M Stevens, Yair M Gozal, Vincent A DiNapoli, Smruti K Patel, Justin S Golub, Norberto O Andaluz, Myles Pensak, Mario Zuccarello, Ravi N Samy
BACKGROUND: The middle cranial fossa (MCF) approach is a challenging surgical technique for the resection of small and intermediate sized, primarily intracanalicular, vestibular schwannomas (VS), with the goal of hearing preservation (HP). OBJECTIVE: To describe a decade-long, single institutional experience with the MCF approach for resection of VS. METHODS: This is a retrospective cohort study of 63 patients who underwent the MCF approach for resection of VS from 2006 to 2016...
June 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29889159/diagnostic-accuracy-of-ocular-vestibular-evoked-myogenic-potentials-for-superior-canal-dehiscence-syndrome-in-a-large-cohort-of-dizzy-patients
#15
Luca Verrecchia, Krister Brantberg, Zheer Tawfique, Duan Maoli
OBJECTIVES: To determine the diagnostic accuracy of ocular vestibular evoked myogenic potentials (oVEMPs) for superior canal dehiscence syndrome (SCDS) in a large cohort of unselected dizzy patients. Most SCDS patients are dizzy (90%); however, only 30% demonstrate archetypical SCDS clinical proxies (Tullio or Hennebert findings). Several case-control studies have addressed specific SCDS markers using VEMP testing, but the diagnostic value of VEMP for SCDS has not been demonstrated in a target population of dizzy patients...
June 7, 2018: Ear and Hearing
https://www.readbyqxmd.com/read/29889116/does-galvanic-vestibular-stimulation-decrease-spasticity-in-clinically-complete-spinal-cord-injury
#16
Radoje D Čobeljić, Ksenija Ribarič-Jankes, Antonina Aleksić, Lana Z Popović-Maneski, Laszlo B Schwirtlich, Dejan B Popović
The aim of this study was to determine changes in clinical and biomechanical measures of spasticity after administering galvanic vestibular stimulation in patients with a complete spinal cord injury (SCI). The spasticity in the lower limbs was assessed using the Modified Ashworth Scale and the pendulum test in seven SCI patients (grade A on the ASIA Impairment Scale) before (0), immediately after (0), and at 5 and 30 min after the real versus sham galvanic vestibular stimulation (15 s each, anode over the right mastoid)...
June 7, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/29887827/otolithic-receptor-mechanisms-for-vestibular-evoked-myogenic-potentials-a-review
#17
REVIEW
Ian S Curthoys, J Wally Grant, Ann M Burgess, Chris J Pastras, Daniel J Brown, Leonardo Manzari
Air-conducted sound and bone-conduced vibration activate otolithic receptors and afferent neurons in both the utricular and saccular maculae, and trigger small electromyographic (EMG) responses [called vestibular-evoked myogenic potentials (VEMPs)] in various muscle groups throughout the body. The use of these VEMPs for clinical assessment of human otolithic function is built on the following logical steps: (1) that high-frequency sound and vibration at clinically effective stimulus levels activate otolithic receptors and afferents, rather than semicircular canal afferents, (2) that there is differential anatomical projection of otolith afferents to eye muscles and neck muscles, and (3) that isolated stimulation of the utricular macula induces short latency responses in eye muscles, and that isolated stimulation of the saccular macula induces short latency responses in neck motoneurons...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29883260/identification-of-two-novel-compound-heterozygous-mutations-of-adgrv1-in-a-chinese-family-with-usher-syndrome-type-iic
#18
Nian Zhang, Juan Wang, Shuting Liu, Mugen Liu, Fagang Jiang
BACKGROUND: To describe the clinical and genetic findings in a Chinese family with three sibs diagnosed with Usher syndrome type IIC. MATERIALS AND METHODS: Four members received ophthalmic and otologic tests to ascertain the clinical characteristics. According to the clinical phenotype, we focused attention on a total of 658 genes associated with them. We screened the possible pathogenic mutation sites, used Sanger to exclude the false positive and verified whether there were co-segregated among the family members...
June 8, 2018: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29878819/a-rasch-analysis-of-the-neurobehavioral-symptom-inventory-in-a-national-cohort-of-operation-enduring-and-iraqi-freedom-veterans-with-mild-traumatic-brain-injury
#19
Nazanin H Bahraini, Trisha A Hostetter, Jeri E Forster, Alexandra L Schneider, Lisa A Brenner
This study investigated the dimensionality and measurement properties of the Neurobehavioral Symptom Inventory (NSI), a 22-item questionnaire of postconcussive symptoms, in a national sample of 9,679 Operation Enduring Freedom and Operation Iraqi Freedom (OEF/OIF) Veterans with mild traumatic brain injury. Dimensionality of the NSI was examined using exploratory factor analysis (EFA) and Rasch analysis. Rasch measurement properties, including overall fit, unidimensionality, item level statistics, and category functioning were examined for individual NSI symptom domains identified through EFA...
June 7, 2018: Psychological Assessment
https://www.readbyqxmd.com/read/29876763/distorted-own-body-representations-in-patients-with-dizziness-and-during-caloric-vestibular-stimulation
#20
Christophe Lopez, Estelle Nakul, Nora Preuss, Maya Elzière, Fred W Mast
There is increasing evidence that vestibular disorders evoke deficits reaching far beyond imbalance, oscillopsia and spatial cognition. Yet, how vestibular disorders affect own-body representations, in particular the perceived body shape and size, has been overlooked. Here, we explored vestibular contributions to own-body representations using two approaches. Study 1 measured the occurrence and severity of distorted own-body representations in 60 patients with dizziness and 60 healthy controls using six items from the Cambridge Depersonalization Scale...
June 6, 2018: Journal of Neurology
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