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vestibular technology

S Rosahl, D Eßer
BACKGROUND: The experience of the medical team, interdisciplinarity, quality of the physician-patient relationship, sensible use of modern technology, and a sound knowledge about the long-term results of observation and interventions all influence treatment quality in patients with vestibular schwannomas. OBJECTIVES: Compilation of findings regarding the results of observation and microsurgical treatment of patients with these tumors. Deduction of strategies for the medical management from these data...
October 14, 2016: HNO
W Geoffrey Wright, Jane McDevitt, Ryan Tierney, F Jay Haran, Kwadwo Osei Appiah-Kubi, Alex Dumont
PURPOSE: Balance impairment is a common sensorimotor symptom in mild traumatic brain injury (mTBI). We designed an affordable, portable virtual reality (VR)-based balance screening device (Virtual Environment TBI Screen [VETS]), which will be validated relative to the Neurocom Sensory Organization Test (SOT) to determine if it can replace commonly used postural assessments. METHODS: This preliminary study examines healthy adults (n = 56) and adults with mTBI (n = 11)...
October 10, 2016: Disability and Rehabilitation
J F Golding
Over 2000 years ago the Greek physician Hippocrates wrote, "sailing on the sea proves that motion disorders the body." Indeed, the word "nausea" derives from the Greek root word naus, hence "nautical," meaning a ship. The primary signs and symptoms of motion sickness are nausea and vomiting. Motion sickness can be provoked by a wide variety of transport environments, including land, sea, air, and space. The recent introduction of new visual technologies may expose more of the population to visually induced motion sickness...
2016: Handbook of Clinical Neurology
Hyeong-Dong Park, Fosco Bernasconi, Javier Bello-Ruiz, Christian Pfeiffer, Roy Salomon, Olaf Blanke
UNLABELLED: Recent research has investigated self-consciousness associated with the multisensory processing of bodily signals (e.g., somatosensory, visual, vestibular signals), a notion referred to as bodily self-consciousness, and these studies have shown that the manipulation of bodily inputs induces changes in bodily self-consciousness such as self-identification. Another line of research has highlighted the importance of signals from the inside of the body (e.g., visceral signals) and proposed that neural representations of internal bodily signals underlie self-consciousness, which to date has been based on philosophical inquiry, clinical case studies, and behavioral studies...
August 10, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Su-Yi Hsu, Te-Yung Fang, Shih-Ching Yeh, Mu-Chun Su, Pa-Chun Wang, Victoria Y Wang
PURPOSES: The purpose of this study was to evaluate a three-dimensional, virtual reality system for vestibular rehabilitation in patients with intractable Ménière's disease and chronic vestibular dysfunction. METHODS: We included 70 patients (36 for study, 34 as control) with a chronic imbalance problem caused by uncompensated Ménière's disease. The virtual reality vestibular rehabilitation comprised four training tasks (modified Cawthorne-Cooksey exercises: eye, head, extension, and coordination exercises) performed in six training sessions (in 4 weeks)...
July 15, 2016: Disability and Rehabilitation
F A Syroezhkin, L G Buinov, V V Dvoryanchikov, A A Blaginin
The article presents the results of studying the effectiveness of the complex vestibular workouts based on non-invasive neuromodulation technology in 37 healthy patients aged 18-20 years who have symptoms of aerial sickness in 5 or less minutes. Non-invasive neuromodulation wire-familiarize with the apparatus for vestibular rehabilitation "Brain-Port" (USA), performing electric tactile stimulation of the tongue with biofeedback. An indicator of statokinetic stability was considered from time to tolerance to the vestibular load up to development of vegetative manifestations of aerial sickness...
April 2016: Voenno-medit︠s︡inskiĭ Zhurnal
Leonardo Rangel-Castilla, Jonathan J Russin, Robert F Spetzler
AIM: To present a review of the contemporary surgical management of skull base tumors. BACKGROUND: Over the last two decades, the treatment of skull base tumors has evolved from observation, to partial resection combined with other therapy modalities, to gross total resection and no adjuvant treatment with good surgical results and excellent clinical outcomes. MATERIALS AND METHODS: The literature review of current surgical strategies and management of skull base tumors was performed and complemented with the experience of Barrow Neurological Institute...
July 2016: Reports of Practical Oncology and Radiotherapy
Fredrik Tjernström, Oz Zur, Klaus Jahn
Over the last decades methods of vestibular rehabilitation to enhance adaptation to vestibular loss, habituation to changing sensory conditions, and sensory reweighting in the compensation process have been developed. However, the use of these techniques still depends to a large part on the educational background of the therapist. Individualized assessment of deficits and specific therapeutic programs for different disorders are sparse. Currently, vestibular rehabilitation is often used in an unspecific way in dizzy patients irrespective of the clinical findings...
April 2016: Journal of Neurology
Oana Carmen Drăgan, Alexandru Ştefan Fărcăşanu, Radu Septimiu Câmpian, Romulus Valeriu Flaviu Turcu
BACKGROUND AND AIMS: Visualization of the internal and external root canal morphology is very important for a successful endodontic treatment; however, it seems to be difficult considering the small size of the tooth and the complexity of the root canal system. Film-based or digital conventional radiographic techniques as well as cone beam computed tomography provide limited information on the dental pulp anatomy or have harmful effects. A new non-invasive diagnosis tool is magnetic resonance imaging, due to its ability of imaging both hard and soft tissues...
2016: Clujul Medical (1957)
Michael Smaerup, Uffe Laessoe, Eric Grönvall, Jens-Jacob Henriksen, Else Marie Damsgaard
Objective. The purpose of this study was to evaluate whether elderly patients with vestibular dysfunction are able to preserve physical functional level, reduction in dizziness, and the patient's quality of life when assistive computer technology is used in comparison with printed instructions. Materials and Methods. Single-blind, randomized, controlled follow-up study. Fifty-seven elderly patients with chronic dizziness were randomly assigned to a computer-assisted home exercise program or to home exercises as described in printed instructions and followed for tree month after discharge from an outpatient clinic...
2016: Rehabilitation Research and Practice
Andrej Kral, William G Kronenberger, David B Pisoni, Gerard M O'Donoghue
Progress in biomedical technology (cochlear, vestibular, and retinal implants) has led to remarkable success in neurosensory restoration, particularly in the auditory system. However, outcomes vary considerably, even after accounting for comorbidity-for example, after cochlear implantation, some deaf children develop spoken language skills approaching those of their hearing peers, whereas other children fail to do so. Here, we review evidence that auditory deprivation has widespread effects on brain development, affecting the capacity to process information beyond the auditory system...
May 2016: Lancet Neurology
Paul F Smith
There is evidence that the normal aging process is associated with impaired vestibulo-ocular reflexes (VOR) and vestibulo-spinal reflexes, causing reduced visual acuity and postural instability. Nonetheless, the available evidence is not entirely consistent, especially with respect to the VOR. Some recent studies have reported that VOR gain can be intact even above 80 years of age. Similarly, although there is evidence for age-related hair cell loss and neuronal loss in Scarpa's ganglion and the vestibular nucleus complex (VNC), it is not entirely consistent...
2016: Frontiers in Neurology
Daniele Marchioni, Matteo Alicandri-Ciufelli, Alessia Rubini, Babara Masotto, Giacomo Pavesi, Livio Presutti
OBJECTIVE The aim of this study was to describe the first case series in which an exclusive endoscopic transcanal transpromontorial approach (EETTA) was used to treat small vestibular schwannomas (VSs) and meningiomas of the internal auditory canal (IAC). METHODS The authors performed a retrospective review of patients who had undergone surgery using an EETTA to the IAC at 2 university tertiary care referral centers during the period from November 2011 to January 2015. RESULTS Ten patients underwent surgery via an EETTA for the treatment of VS in the IAC at the University Hospital of Modena or the University Hospital of Verona...
March 11, 2016: Journal of Neurosurgery
Joseph O Nnodim, Raymond L Yung
BACKGROUND: Human beings rely on multiple systems to maintain their balance as they perform their activities of daily living. These systems may be undermined functionally by both disease and the normal aging process. Balance impairment is associated with increased fall risk. PURPOSE: This paper examines the dynamic formulation of balance as activity and reviews the biological mechanisms for its control. A "minimal-technology" scheme for its clinical evaluation in the ambulatory care setting is proposed...
2015: Journal of Geriatric Medicine and Gerontology
M Dawn Nelson, Faith W Akin, Kristal M Riska, Kimberly Andresen, Stephanie Stamps Mondelli
BACKGROUND: The past decade has yielded changes in the education and training of audiologists and technological advancements that have become widely available for clinical balance function testing. It is unclear if recent advancements in vestibular instrumentation or the transition to an AuD degree have affected audiologists' vestibular clinical practice or opinions. PURPOSE: The purpose of this study was to examine predominant opinions and practices for vestibular assessment (VA) and vestibular rehabilitation (VR) over the past decade and between master's- and AuD-level audiologists...
February 2016: Journal of the American Academy of Audiology
Yun Gao, Dayong Wang, Hongyang Wang, Jing Guan, Lan Lan, Ziming Wu, Linyi Xie, Lan Yu, Suzhen Zhang, Xizheng Shan, Qiuju Wang
OBJECTIVE: To investigate the clinical and genetic characteristics of three Chinese Meniere's disease (MD) families and decipher the mechanism of MD further. METHODS: Personal and family medical evidence of hearing loss, vestibular symptoms, and other clinical abnormalities of the participants were identified, clinical and genetic features were analyzed. Targeted 307 genes capture and high-throughput sequencing were performed on the two ascertained members of family 1007184...
November 2015: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Marie-Pierre Cyr, Daniel Bourbonnais, Alexandra Pinard, Olivia Dubois, Mélanie Morin
OBJECTIVE: Women with provoked vestibulodynia (PVD) suffer pain at the entry of the vagina elicited by pressure as during vaginal penetration. To quantify vestibular pain, we developed a new instrument, an algometer. The aim of this study was to investigate the test-retest reliability of the algometer and evaluate its convergent validity for vestibular pain assessment in women with PVD. METHODS: Twenty-six women with PVD participated in the study. Vestibular pain was assessed with the new algometer and the already known vulvalgesiometer during two different sessions 2 to 4 weeks apart...
July 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
Hakan Töreyin, Pamela T Bhatti
A low-power ASIC signal processor for a vestibular prosthesis (VP) is reported. Fabricated with TI 0.35 μm CMOS technology and designed to interface with implanted inertial sensors, the digitally assisted analog signal processor operates extensively in the CMOS subthreshold region. During its operation the ASIC encodes head motion signals captured by the inertial sensors as electrical pulses ultimately targeted for in-vivo stimulation of vestibular nerve fibers. To achieve this, the ASIC implements a coordinate system transformation to correct for misalignment between natural sensors and implanted inertial sensors...
June 2016: IEEE Transactions on Biomedical Circuits and Systems
Hidekane Yoshimura, Maiko Miyagawa, Kozo Kumakawa, Shin-Ya Nishio, Shin-Ichi Usami
Usher syndrome type 1 (USH1) is the most severe of the three USH subtypes due to its profound hearing loss, absent vestibular response and retinitis pigmentosa appearing at a prepubescent age. Six causative genes have been identified for USH1, making early diagnosis and therapy possible through DNA testing. Targeted exon sequencing of selected genes using massively parallel DNA sequencing (MPS) technology enables clinicians to systematically tackle previously intractable monogenic disorders and improve molecular diagnosis...
May 2016: Journal of Human Genetics
A Suleiman, B Lithgow, B Mansouri, Z Moussavi
Electrovestibulography (EVestG™) is a new technology that objectively measures the vestibular response. It has the potential to objectively, quickly and cost-effectively screen concussion. EVestG signals are recorded painlessly and non-invasively from the external ear in response to vestibular stimuli, and consist of brainstem and peripheral sensory oto-acoustic signals modulated by the cortical responses. In this study, we investigated the relationship between characteristic features of the extracted field potentials (FPs) of EVestG signals in people with side-impact concussion in comparison with those of control participants...
2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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