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https://www.readbyqxmd.com/read/30536286/-management-of-vestibular-schwannomas
#1
Cordelia Schulz, Dirk Eßer, Steffen Rosahl, Izet Baljić, Sabrina Kösling, Stefan K Plontke
Vestibular schwannomas are benign neoplasms originating from the Schwann cells of the vestibular vestibular nerve of the vestibulocochlear nerve, and rarely from the pars cochlearis. These are tumors that are in contact with the nerve but do not bind the fibers. Benign neoplasms of the Schwann cells of the auditory and equilibrium nerves can also occur primarily in the inner ear and are referred to as intralabyrinthine schwannomas (ILS). Vestibular schwannomas represent 6-7 % of all intracranial and 90 % of cerebellopontine angle tumors...
December 2018: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/30509014/direction-changing-and-direction-fixed-positional-nystagmus-in-patients-with-vestibular-neuritis-and-meniere-disease
#2
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://www.readbyqxmd.com/read/30503230/control-mechanisms-of-static-and-dynamic-balance-in-adults-with-and-without-vestibular-dysfunction-in-oculus-virtual-environments
#3
REVIEW
Anat V Lubetzky, Bryan D Hujsak, Jennifer L Kelly, Gene Fu, Ken Perlin
BACKGROUND: Deficits in sensory integration and fear of falling in complex environments contribute to decreased participation of adults with vestibular disorders. With recent advances in virtual reality technology, head-mounted displays are affordable and allow manipulation of the environment to test postural responses to visual changes. OBJECTIVES: To develop an assessment of static and dynamic balance with the Oculus Rift and (1) to assess test-retest reliability of each scene in adults with and without vestibular hypofunction; (2) to describe changes in directional path and sample entropy in response to changes in visuals and surface and compare between groups; and (3) to evaluate the relation between balance performance and self-reported disability and balance confidence...
November 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/30498513/good-clinical-approach-delphi-consensus-for-the-use-of-betahistine-in-meni%C3%A3-re-s-disease
#4
Augusto Pietro Casani, Elena Navari, Giorgio Guidetti, Michel Lacour
Menière's disease is a disorder of the inner ear that causes vertigo, tinnitus, fullness, and hearing loss. Several pharmacological treatments are available, but none of them has shown significant results. Betahistine has been largely used but its effect on the main symptoms of Menière's disease remains unclear. In order to improve clinical appropriateness and to reduce the heterogeneity of the therapeutic approaches for Menière's disease, we proposed a European Consensus Conference on Betahistine's prescription...
2018: International Journal of Otolaryngology
https://www.readbyqxmd.com/read/30498275/report-from-a-consensus-conference-on-the-treatment-of-m%C3%A3-ni%C3%A3-re-s-disease-with-betahistine-rationale-methodology-and-results
#5
A P Casani, G Guidetti, R Schoenhuber
Ménière's disease is a disorder of the inner ear that causes vertigo, tinnitus, fullness and hearing loss. Although several treatments are available, the success rate is reported to be around 70%, similar to placebo. Betahistine, a weak H1 receptor agonist and an effective H3 receptor antagonist, is frequently prescribed for Ménière's disease, especially to reduce recurrent vertigo attacks. The effects of this drug on hearing and other audiological symptoms remains unclear. Given the inconclusive reports in the literature, we proposed a consensus conference on the use of betahistine in Ménière's disease...
October 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/30483214/neurologists-assessment-of-mental-comorbidity-in-patients-with-vertigo-and-dizziness-in-routine-clinical-care-comparison-with-a-structured-clinical-interview
#6
Karina Limburg, Andreas Dinkel, Gabriele Schmid-Mühlbauer, Heribert Sattel, Katharina Radziej, Sandra Becker-Bense, Peter Henningsen, Marianne Dieterich, Claas Lahmann
Background: Mental health comorbidities are frequent in patients with vertigo and dizziness. The current study was conducted in a specialized interdisciplinary university center for vertigo and dizziness. Clinical routines consist of a structured work-up in which neuro-otological and neurological tests are performed to first detect possible organic vestibular deficits. In addition, psychiatric disorders and comorbidities are considered. The study aimed to evaluate neurologists' awareness of psychiatric next to somatic disorders within patients' first examination in terms of diagnostic congruence between neurologists' diagnoses and structured clinical assessment of mental disorders...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/30483208/examination-of-current-treatments-and-symptom-management-strategies-used-by-patients-with-mal-de-debarquement-syndrome
#7
Josephine M Canceri, Rachael Brown, Shaun R Watson, Cherylea J Browne
Introduction: Mal de Debarquement Syndrome (MdDS) is a neurological disorder which affects the vestibular system pathways, manifesting as a constant sensation of movement in the form of rocking, bobbing, or swaying. The mechanism of MdDS is poorly understood and there is a lack of awareness amongst medical professionals about the condition. This study aimed to examine treatments and symptom management strategies used by MdDS patients and evaluate their self-reported effectiveness. Method: Motion-Triggered and Spontaneous/Other onset MdDS patients responded to a set of comprehensive questions as a retrospective survey regarding epidemiological details, diagnostic procedures, onset, and symptom triggers, hormonal influences as well as treatments and symptom management strategies used to reduce symptoms...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/30482332/gravity-estimation-and-verticality-perception
#8
Christopher J Dakin, Ari Rosenberg
Gravity is a defining force that governs the evolution of mechanical forms, shapes and anchors our perception of the environment, and imposes fundamental constraints on our interactions with the world. Within the animal kingdom, humans are relatively unique in having evolved a vertical, bipedal posture. Although a vertical posture confers numerous benefits, it also renders us less stable than quadrupeds, increasing susceptibility to falls. The ability to accurately and precisely estimate our orientation relative to gravity is therefore of utmost importance...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30482329/disorders-of-the-inner-ear-balance-organs-and-their-pathways
#9
Allison S Young, Sally M Rosengren, Miriam S Welgampola
Disorders of the inner-ear balance organs can be grouped by their manner of presentation into acute, episodic, or chronic vestibular syndromes. A sudden unilateral vestibular injury produces severe vertigo, nausea, and imbalance lasting days, known as the acute vestibular syndrome (AVS). A bedside head impulse and oculomotor examination helps separate vestibular neuritis, the more common and innocuous cause of AVS, from stroke. Benign positional vertigo, a common cause of episodic positional vertigo, occurs when otoconia overlying the otolith membrane falls into the semicircular canals, producing brief spells of spinning vertigo triggered by head movement...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30482320/sensory-integration-for-human-balance-control
#10
Robert J Peterka
The upright stance position is inherently unstable since the smallest deviation from a perfect upright orientation produces forces due to gravity that accelerate the body toward the ground. Stability is achieved by generating appropriate joint torques that correct for deviations from a desired orientation with orientation changes detected by sensory systems (primarily somatosensory/proprioceptive, visual, and vestibular systems). Functionally, balance control can be viewed as a closed-loop feedback control system with the integration of different sources of sensory orientation information being one component of the overall system, but with the system's feedback nature placing constraints on the sensory integration process...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30470247/internet-based-interventions-for-adults-with-hearing-loss-tinnitus-and-vestibular-disorders-a-protocol-for-a-systematic-review
#11
Eldré W Beukes, Vinaya Manchaiah, David M Baguley, Peter M Allen, Gerhard Andersson
BACKGROUND: Internet-based interventions are emerging as an alternative way of delivering accessible healthcare for various conditions including hearing and balance disorders. A comprehensive review regarding the evidence-base of Internet-based interventions for auditory-related conditions is required to determine the existing evidence of their efficacy and effectiveness. The objective of the current protocol is to provide the methodology for a systematic review regarding the effects of Internet-based interventions for adults with hearing loss, tinnitus and vestibular disorders...
November 23, 2018: Systematic Reviews
https://www.readbyqxmd.com/read/30464905/the-video-head-impulse-test-our-experience-in-45-cases
#12
Ayush Chawla, Raees Abdurahiman, Venkatakarthikeyan Chokkalingam
To evaluate the role of video head impulse test in the diagnosis of peripheral vestibular disorders, we performed an observational study in the outpatient department in a tertiary setup in which the clinical head impulse test and the video head impulse test were performed on 45 patients with clinically suspected peripheral vestibular disorders, and their results were correlated. To analyse our results, each ear was counted individually and hence, among 45 patients, 12 out of 90 ears showed abnormal clinical head impulse test for lateral semicircular canals and 27 out of 90 ears showed abnormal video head impulse test for lateral semicircular canals...
December 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/30461465/vestibular-rehabilitation-advances-in-peripheral-and-central-vestibular-disorders
#13
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...
November 15, 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/30449935/a-case-of-neurofibromatosis-type-2-nf2-with-classic-imaging-and-skin-findings
#14
Saikat Bhattacharjee, Preema Sinha, Arti Sarin, B K Prasad
Neurofibromatosis is a neurocutaneous, tumor predisposing, inheritable disorder characterized by tumors of the brain and spine and the presence of skin lesions. The most important tumors associated with neurofibromatosis are vestibular nerve schwannomas, with others being meningiomas and ependymomas. The cord is also affected by tumors, ependymoma being the commonest, besides meningiomas and schwannomas. We present a case with café au lait macules, neurofibromas in the skin, bilateral VIII cranial nerve schwannomas, multiple meningiomas in the brain and spine, ependymomas in the brain and spine, and schwannomas in the cauda equina nerve roots...
October 2018: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/30441288/holobalance-an-augmented-reality-virtual-trainer-solution-forbalance-training-and-fall-prevention
#15
I Kouris, M Sarafidis, T Androutsou, D Koutsouris
Balance disorders affect a large number of older people, leading to falls. To promote independence, self-care and the quality of living of the long-lived population, an innovative solution is devoped to act as a virtual trainer for people that suffer from vestibular dysfunction related balance disorders. Our solution offers a virtual balance therapy, supported by Information and Communication Technology devices, to monitor user's activity during the day and provide real time feedback for the correct execution of physiotherapy exercises...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/30431000/impact-of-cochlear-implantation-on-peripheral-vestibular-function-in-adults
#16
V Colin, P Bertholon, S Roy, A Karkas
OBJECTIVE: Cochlear implantation may have a detrimental effect on vestibular function and residual hearing. Our goal was to investigate the impact of cochlear implantation on peripheral vestibular function and the symptomatology that ensues. MATERIAL AND METHODS: A prospective observational study included all adults undergoing cochlear implantation by the same operator between July 2014 and December 2015, with pre- and postoperative (4 months) neurovestibular balance examination comprising a questionnaire and clinical tests [head impulse test (HIT), head-shaking test (HST), skull vibration test (SVT)] and instrumental tests [caloric test of the lateral semicircular canal and cervical vestibular-evoked myogenic potentials (cVEMP)]...
December 2018: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/30424834/dizziness-vertigo-and-mental-health-comorbidity-in-gulf-war-veterans
#17
Apollonia Fox, Kristal Riska, Chin-Lin Tseng, Kelly McCarron, Serena Satcher, Omowunmi Osinubi, Drew Helmer
BACKGROUND: Gulf War Illness (GWI) is a chronic condition involving symptoms across multiple body systems. Previous research has implicated the vestibular system as a potential underlying factor in the symptoms experienced by veterans with GWI, due in part to exposure to potentially ototoxic chemicals and events. PURPOSE: To characterize the presence of vertigo and dizziness symptoms in a sample of veterans with GWI using validated self-report instruments, accounting for mental health comorbidities...
November 14, 2018: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/30412513/vestibular-rehabilitation-has-positive-effects-on-balance-fatigue-and-activities-of-daily-living-in-highly-disabled-multiple-sclerosis-people-a-preliminary-randomized-controlled-trial
#18
M Tramontano, A M Cinnera, L Manzari, F Tozzi, C Caltagirone, G Morone, A Pompa, M G Grasso
BACKGROUND: Balance disorders are present in patients with Multiple Sclerosis and part of these disorders could be of vestibular origin. Vestibular Rehabilitation was found to be effective in improving balance in patients with central vestibular dysfunction. OBJECTIVE: To investigate the clinical effects of vestibular rehabilitation on balance skills and secondly on fatigue and activity of daily living in highly disabled multiple sclerosis people. METHODS: Thirty hospitalized participants with severe multiple sclerosis (EDSS 6-7) were randomly assigned to the experimental group (15 patients -9F-; mean age 50...
November 8, 2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/30411501/the-influences-of-age-gender-and-geometric-pattern-of-visual-image-on-the-verticality-perception-a-subjective-visual-vertical-svv-study-among-malaysian-adults
#19
Mohd Normani Zakaria, Rosdan Salim, Adnan Tahir, Zuraida Zainun, Nurul Syarida Mohd Sakeri
OBJECTIVES: Subjective visual vertical (SVV) is a simple, quick and reliable test for measuring utricular function. The literature on the effects of fundamental demographic variables such as age and gender on SVV is inconclusive and should be supported by research with larger samples. The aim of the present study was to determine the influences of age, gender and geometric pattern of visual image on SVV among healthy adults. STUDY DESIGN: This study employed a repeated measures design...
November 8, 2018: Clinical Otolaryngology
https://www.readbyqxmd.com/read/30405511/clinical-findings-in-a-multicenter-mri-study-of-mild-tbi
#20
Teena Shetty, Joseph T Nguyen, Taylor Cogsil, Apostolos John Tsiouris, Sumit N Niogi, Esther U Kim, Aashka Dalal, Kristin Halvorsen, Kelianne Cummings, Tianhao Zhang, Joseph C Masdeu, Pratik Mukherjee, Luca Marinelli
Background: Uncertainty continues to surround mild traumatic brain injury (mTBI) diagnosis, symptoms, prognosis, and outcome due in part to a lack of objective biomarkers of injury and recovery. As mTBI gains recognition as a serious public health epidemic, there is need to identify risk factors, diagnostic tools, and imaging biomarkers to help guide diagnosis and management. Methods: One hundred and eleven patients (15-50 years old) were enrolled acutely after mTBI and followed with up to four standardized serial assessments over 3 months...
2018: Frontiers in Neurology
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