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vestibular evoked myogenic potential

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https://www.readbyqxmd.com/read/28650850/systemic-aminoglycosides-induced-vestibulotoxicity-in-humans
#1
Ruth Van Hecke, Vincent Van Rompaey, Floris L Wuyts, Laura Leyssens, Leen Maes
OBJECTIVES: This systematic review aimed to investigate the prevalence and characteristics of vestibular adverse effects of aminoglycoside (AG) therapy in humans and to analyze objective vestibular tests for the detection of AG-induced vestibulotoxicity. DESIGN: PubMed, Cochrane Database, Web of Science, and reference lists of all included studies were screened by two independent researchers. The Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines were followed...
June 23, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28643576/sensory-organization-test-principally-reflects-utricular-function
#2
Jia Liu, Renhong Zhou, Bo Liu, Yangming Leng, Jingjing Liu, Dongdong Liu, Su-Lin Zhang, Wei-Jia Kong
CONCLUSION: Our study showed that sensory organization test (SOT) could principally reflect utricular function, and our cut-score of VEST ratio (the indicator of inputs from the vestibular system in balance performance) in SOT could help to screen patients with unilateral peripheral vestibular dysfunction in non-fallers. OBJECTIVES: We aimed to know SOT reflects the function of which vestibular end organs and to assess the possibility of screening patients with peripheral vestibular dysfunction in non-fall population by means of SOT...
June 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28641325/superior-canal-dehiscence-syndrome-associated-with-scuba-diving
#3
Naoharu Kitajima, Akemi Sugita-Kitajima, Seiji Kitajima
A 28-year-old female diver presented with dizziness and difficulty clearing her left ear whilst scuba diving. Her pure-tone audiometry and tympanometry were normal. Testing of Eustachian tube function revealed tubal stenosis. Video-oculography revealed a predominantly torsional nystagmus while the patient was in the lordotic position. Fistula signs were positive. High-resolution computed tomography (HRCT) of the temporal bone revealed a diagnosis of bilateral superior semicircular canal dehiscence (SCDS). Cervical vestibular-evoked myogenic potential (cVEMP) testing showed that the amplitude of the cVEMP measured from her left ear was larger than that from the right...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28639553/can-we-improve-pressure-feedback-methods-in-vestibular-evoked-myogenic-potentials-by-applying-custom-pressures
#4
Ömer Afşin Özmen, Kasım Özlük, Süay Özmen, Oğuz Basut
OBJECTIVE: The aim of the present study was to use constant and customized pressure levels to improve the feedback method of the blood pressure cuff technique in order to decrease intra-subject and inter-subject variability. MATERIALS AND METHODS: The study was conducted in two stages. In the first stage, the relationship between the pressure level generated in the blood pressure cuff and electromyographic response in the sternocleidomastoid (SCM) muscle was investigated...
June 21, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28623066/association-of-posterior-semicircular-canal-hypofunction-on-video-head-impulse-testing-with-other-vestibulo-cochlear-deficits
#5
Alexander A Tarnutzer, Christopher J Bockisch, Elena Buffone, Konrad P Weber
OBJECTIVES: The video-head-impulse test (vHIT) provides a functional assessment of all six semicircular canals (SCC). Occasionally isolated loss of the posterior canal(s) (ILPC) is diagnosed, though this finding is poorly characterized. Here we assessed how accurate that diagnosis is by measuring the co-occurrence of abnormalities on caloric irrigation, vestibular-evoked myogenic-potentials and audiometry. METHODS: We identified 52 patients with ILPC (unilateral=40, bilateral=12)...
May 17, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28595652/effect-of-cochlear-implant-surgery-on-vestibular-function-meta-analysis-study
#6
REVIEW
Iman Ibrahim, Sabrina Daniela da Silva, Bernard Segal, Anthony Zeitouni
IMPORTANCE: Vestibular disorders have been reported following cochlear implant (CI) surgery, but the literature shows a wide discrepancy in the reported clinical impact. The aim of this meta-analysis is to quantify the effect of CI before and after surgery on the outcomes of vestibular tests, postural stability, and subjective perception of dizziness. OBJECTIVE: To evaluate the effects of CI surgery on vestibular function in adult patients (≥18 years) with sensorineural hearing loss who underwent unilateral or bilateral implantation...
June 8, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28562427/effects-of-saccular-function-on-recovery-of-subjective-dizziness-after-vestibular-rehabilitation
#7
Junhui Jeong, Jinsei Jung, Jeon Mi Lee, Michelle J Suh, Sang Hyun Kwak, Sung Huhn Kim
OBJECTIVE: We attempted to investigate whether the integrity of saccular function influences the severity of subjective dizziness after vestibular rehabilitation in vestibular neuritis. STUDY DESIGN: Retrospective analysis. SETTING: Tertiary referral center. PATIENTS: Forty-six patients with acute unilateral vestibular neuritis were included. INTERVENTIONS: Diagnostic, therapeutic, and rehabilitative...
May 29, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28562425/rotational-and-collic-vestibular-evoked-myogenic-potential-testing-in-normal-developing-children-and-children-with-combined-attention-deficit-hyperactivity-disorder
#8
Younes Lotfi, Nima Rezazadeh, Abdollah Moossavi, Hojjat Allah Haghgoo, Reza Rostami, Enayatollah Bakhshi, Faride Badfar, Sedigheh Farokhi Moghadam, Vahid Sadeghi-Firoozabadi, Yousef Khodabandelou
OBJECTIVES: Vestibular dysfunction in childhood can have a major effect on a child's developmental process. Balance function has been reported to be poorer in children with attention deficit and hyperactivity disorder (ADHD) than in their typically developing peers. Due to contradictory available evidence and the paucity of research on vestibular function specifically in children with combined ADHD (cADHD), we designed this aged-matched study to assess vestibular function in children with cADHD...
May 26, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28561344/bilateral-vestibulopathy-with-positive-tullio-phenomenon
#9
Sigrid Finn, Maren Dietzek, Panagiota Karvouniari, Carsten M Klingner, Rotraud Neumann, Orlando Guntinas-Lichius, Otto W Witte, Hubertus Axer
We describe the case of a 34-year-old patient presenting with the unique combination of bilateral vestibulopathy in combination with noise- and pressure-induced nystagmus. Bilateral vestibular dysfunction was demonstrated by pathological results in video-based head impulse testing as well as in caloric testing. In contrast, cervical vestibular-evoked myogenic potentials were normal, demonstrating normal sacculus function. Due to the positive Tullio phenomenon, semicircular dehiscence syndrome was excluded. Recently, this symptom combination was related to the histopathological finding of vestibular atelectasis...
May 31, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28534730/big-stimulus-little-ears-safety-in-administering-vestibular-evoked-myogenic-potentials-in-children
#10
Megan L A Thomas, Denis Fitzpatrick, Ryan McCreery, Kristen L Janky
BACKGROUND: Cervical and ocular vestibular-evoked myogenic potentials (VEMPs) have become common clinical vestibular assessments. However, VEMP testing requires high intensity stimuli, raising concerns regarding safety with children, where sound pressure levels may be higher due to their smaller ear canal volumes. PURPOSE: The purpose of this study was to estimate the range of peak-to-peak equivalent sound pressure levels (peSPLs) in child and adult ears in response to high intensity stimuli (i...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28534727/under-pressure-vestibular-evoked-myogenic-potentials-and-the-auditory-stimuli-that-evoke-them
#11
EDITORIAL
Devin L McCaslin
No abstract text is available yet for this article.
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28533763/is-alteration-of-tuning-property-in-cervical-vestibular-evoked-myogenic-potential-specific-for-m%C3%A3-ni%C3%A3-re-s-disease
#12
Toshihisa Murofushi, Masahito Tsubota, Ryota Suizu, Eriko Yoshimura
OBJECTIVE: The aim of this study is to show sensitivity and specificity of cervical vestibular-evoked myogenic potential (cVEMP) tuning property test to Ménière's disease (MD) in comparison with healthy controls (HC) and patients with other vestibular diseases. SUBJECTS: Totally 92 subjects (50 women and 42 men, 20-77 years of age) were enrolled in this study. Subjects were composed of 38 definite unilateral MD patients, 11 unilateral benign paroxysmal positional vertigo patients, 14 vestibular migraine patients, 19 unilateral vestibular neuritis patients, and 10 HC...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28520834/effect-of-electrode-montage-and-head-position-on-air-conducted-ocular-vestibular-evoked-myogenic-potential
#13
Kathryn Makowiec, Devin L McCaslin, Gary P Jacobson, Kelsey Hatton, John Lee
Purpose: The purpose of this investigation was to identify the optimal recording parameters for evoking the ocular vestibular evoked myogenic potential (oVEMP) using air-conduction stimuli. Method: Subjects were 17 otologically and neurologically intact adults (age: M = 24.18 years, SD = 1.91 years). The oVEMP responses were elicited using a 500-Hz tone burst air-conduction stimulus presented at an intensity of 95 dB nHL. The setting was a balance function laboratory that was part of a large tertiary care otology clinic...
June 13, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28499299/-current-diagnostic-procedures-for-diagnosing-vertigo-and-dizziness
#14
Leif Erik Walther
Modern diagnostic methods such as video head impulse test and cervical and ocular vestibular evoked myogenic potentials allow to measure canal and otolith function quantitatively and objectively. These methods contribute to a complex assessment of the functional integrity of all 5 sensory elements of the vestibular organ for the first time. Moreover, in combination with additional vestibular tests frequency specific and time depended changes of impairments of vestibular sensors and their pathways can be assessed...
April 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28496432/vestibular-loss-in-older-adults-is-associated-with-impaired-spatial-navigation-data-from-the-triangle-completion-task
#15
Yanjun Xie, Robin T Bigelow, Scott F Frankenthaler, Stephanie A Studenski, Scott D Moffat, Yuri Agrawal
BACKGROUND: Vestibular inputs have been shown to play a critical role in spatial navigation. In this study, we sought to evaluate whether vestibular loss due to aging contributes to impaired spatial navigation as measured by the triangle completion task (TCT). MATERIALS AND METHODS: We recruited three types of participants: young controls <55 years of age, older controls ≥55 years of age, and older patients from a Neurotology Clinic with evidence of vestibular physiologic impairment but who did not have any known vestibular disorder...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28446417/the-value-of-vestibular-rehabilitation-in-patients-with-bilateral-vestibular-dysfunction
#16
Ethem Şahin, Mehmet Emre Dinç, Berna Yayla Özker, Canan Çöpürgensli, Mustafa Konaklıoğlu, Tuncay Özçelik
OBJECTIVE: The value of vestibular rehabilitation in patients with bilateral vestibular dysfunction was investigated. MATERIALS AND METHODS: This study assessed 17 patients (9 males, 8 females) with bilateral vestibular dysfunction. Vestibular rehabilitation continued for 1.5 months. Videonystagmography tests (including oculomotor testing, positional testing, and caloric tests), vestibular evoked myogenic potential (VEMP) testing, and computerized dynamic posturography were performed during the pre-, mid-, and post-treatment periods...
April 27, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28436247/effects-of-peripheral-vestibular-dysfunction-on-dynamic-postural-stability-measured-by-the-functional-reach-test-and-timed-up-and-go-test
#17
Toshiko Nishi, Teru Kamogashira, Chisato Fujimoto, Makoto Kinoshita, Naoya Egami, Keiko Sugasawa, Tatsuya Yamasoba, Shinichi Iwasaki
OBJECTIVE: To investigate the influence of vestibular function on dynamic postural stability assessed by the functional reach test (FRT) and the timed up and go test (TUG). STUDY DESIGN: Retrospective study. SETTING: Tertiary referral center. SUBJECTS AND METHODS: The FRT and TUG were performed in 399 patients with dizziness. The effects of peripheral vestibular dysfunction assessed by the caloric test and cervical vestibular evoked myogenic potentials (cVEMPs) to air-conducted sound (500 Hz, tone burst) on the results of FRT and TUG were analyzed...
June 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28424655/sustained-and-transient-vestibular-systems-a-physiological-basis-for-interpreting-vestibular-function
#18
REVIEW
Ian S Curthoys, Hamish G MacDougall, Pierre-Paul Vidal, Catherine de Waele
Otolithic afferents with regular resting discharge respond to gravity or low-frequency linear accelerations, and we term these the static or sustained otolithic system. However, in the otolithic sense organs, there is anatomical differentiation across the maculae and corresponding physiological differentiation. A specialized band of receptors called the striola consists of mainly type I receptors whose hair bundles are weakly tethered to the overlying otolithic membrane. The afferent neurons, which form calyx synapses on type I striolar receptors, have irregular resting discharge and have low thresholds to high frequency (e...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28419063/the-effect-of-elevated-intracranial-pressure-on-frequency-tuning-of-air-conducted-ocular-vestibular-myogenic-potentials-in-m%C3%A3-ni%C3%A3-re-s-disease-patients
#19
Rebecca Maxwell, Claudia Jerin, Robert Gürkov
OBJECTIVE: To investigate the effect of increased intracranial pressure on ocular vestibular-evoked myogenic potential (oVEMP) amplitudes and frequency tuning in patients with Ménière's disease (MD) to elucidate whether oVEMPS recorded under such conditions could provide a simple and accurate diagnostic test for MD. SETTING: Tertiary referral center for otology and neurotology. PATIENTS: Ten patients with certain unilateral MD (mean age = 48...
July 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28397037/assessment-of-balance-and-vestibular-functions-in-patients-with-idiopathic-sudden-sensorineural-hearing-loss
#20
Jia Liu, Ren-Hong Zhou, Bo Liu, Yang-Ming Leng, Jing-Jing Liu, Dong-Dong Liu, Su-Lin Zhang, Wei-Jia Kong
This study investigated the relationship among the severity of hearing impairment, vestibular function and balance function in patients with idiopathic sudden sensorineural hearing loss (ISSNHL). A total of 35 ISSNHL patients (including 21 patients with vertigo) were enrolled. All of the patients underwent audiometry, sensory organization test (SOT), caloric test, cervical vestibular-evoked myogenic potential (cVEMP) test and ocular vestibular-evoked myogenic potential (oVEMP) test. Significant relationship was found between vertigo and hearing loss grade (P=0...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
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