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vestibular technology

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https://www.readbyqxmd.com/read/28414692/neuronal-fibers-and-neurotransmitter-receptor-expression-in-the-human-endolymphatic-sac
#1
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
INTRODUCTION: Recent studies suggest that the human endolymphatic sac (ES) may have multiple functions, including an ion-transport capacity comparable to the kidney, an immunological capacity and a possible natriuretic capacity. Further, there have been speculations of a yet undefined role in intracranial pressure homeostasis. The anatomical location towards the sigmoid sinus would suggest a possible endo- and/or paracrine signaling. However, neuronal connections may also apply, but it remains very scarcely explored in the human ES...
April 14, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28387692/the-role-of-sensory-augmentation-for-people-with-vestibular-deficits-real-time-balance-aid-and-or-rehabilitation-device
#2
K H Sienko, S L Whitney, W J Carender, C Wall
This narrative review highlights findings from the sensory augmentation field for people with vestibular deficits and addresses the outstanding questions that are critical to the translation of this technology into clinical and/or personal use. Prior research has demonstrated that the real-time use of visual, vibrotactile, auditory, and multimodal sensory augmentation technologies can improve balance during static and dynamic stance tasks within a laboratory setting. However, its application in improving gait requires additional investigation, as does its efficacy as a rehabilitation device for people with vestibular deficits...
2017: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/28360849/embodied-medicine-mens-sana-in-corpore-virtuale-sano
#3
Giuseppe Riva, Silvia Serino, Daniele Di Lernia, Enea Francesco Pavone, Antonios Dakanalis
Progress in medical science and technology drastically improved physicians' ability to interact with patient's physical body. Nevertheless, medicine still addresses the human body from a Hippocratic point of view, considering the organism and its processes just as a matter of mechanics and fluids. However, the interaction between the cognitive neuroscience of bodily self-consciousness (BSC), fundamentally rooted in the integration of multisensory bodily inputs, with virtual reality (VR), haptic technologies and robotics is giving a new meaning to the classic Juvenal's latin dictum "Mens sana in corpore sano" (a healthy mind in a healthy body)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28295370/the-human-endolymphatic-sac-expresses-natriuretic-peptides
#4
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
OBJECTIVES/HYPOTHESIS: The function of the human endolymphatic sac (ES) has been enigmatic for decades. Hypotheses include controlling endolymphatic fluid homeostasis and inner ear immunological defense. Additionally, several studies indicate a possible endocrine capacity and a yet undefined role in intracranial pressure homeostasis. However, no direct evidence of such capacity exists. This study aims to explore and identify the hypothesized endocrine capacity of the human ES. STUDY DESIGN: DNA microarrays and immunohistochemistry were used for analyses of fresh human ES tissue samples...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28275283/a-c-shaped-canal-in-a-maxillary-second-molar-prexion-3d-cone-beam-computed-tomography-analysis
#5
Daniela Siqueira Lopes, Andréa Cruz Câmara, Carlos Menezes Aguiar, Monikelly do Carmo Chagas do Nascimento, Luciane Farias de Araújo
OBJECTIVE: The aim of this study was to present an atypical case of a C-shaped root canal that was present in the vestibular root of a permanent maxillary second molar using PreXion 3-D cone-beam computed tomography (CBCT) as a diagnostic device. MATERIALS AND METHODS: A 50-year-old female patient was referred for routine examination to a private diagnostic imaging clinic in Recife-Pernambuco. During the physical examination, the presence of an unusual C-shaped anatomy in the vestibular canal with a mesiodistal interconnection that extended from the apical to the cervical third was detected in axial slices acquired with a PreXion 3-D scanner...
December 2016: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/28188418/interobserver-variability-of-the-house-brackmann-facial-nerve-grading-system-for-the-analysis-of-a-randomized-multi-center-phase-iii-trial
#6
Christian Scheller, Andreas Wienke, Marcos Tatagiba, Alireza Gharabaghi, Kristofer F Ramina, Konstanze Scheller, Julian Prell, Johannes Zenk, Oliver Ganslandt, Barbara Bischoff, Cordula Matthies, Thomas Westermaier, Gregor Antoniadis, Maria Teresa Pedro, Veit Rohde, Kajetan von Eckardstein, Thomas Kretschmer, Malte Kornhuber, Fred G Barker, Christian Strauss
BACKGROUND: Evidence of a high interobserver variability of the subjective House-Brackmann facial nerve grading system (HBGS) would justify cost- and time-consuming technological enhancements of objective classifications for facial nerve paresis. METHOD: A total of 112 patients were recruited for a randomized multi-center trial to investigate the efficacy of prophylactic nimodipine treatment in vestibular schwannoma (VS) surgery. For the present investigation both treatment groups were pooled for the assessment of facial nerve function preoperatively, in the early postoperative course and 1 year after the surgery...
February 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28079677/cadaveric-testing-of-robot-assisted-access-to-the-internal-auditory-canal-for-vestibular-schwannoma-removal
#7
Neal P Dillon, Ramya Balachandran, Michael A Siebold, Robert J Webster, George B Wanna, Robert F Labadie
HYPOTHESIS: An image-guided robotic system can safely perform the bulk removal of bone during the translabyrinthine approach to vestibular schwannoma (VS). BACKGROUND: The translabyrinthine approach to VS removal involves extensive manual milling in the temporal bone to gain access to the internal auditory canal (IAC) for tumor resection. This bone removal is time consuming and challenging due to the presence of vital anatomy (e.g., facial nerve) embedded within the temporal bone...
March 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/27997596/a-new-genetic-diagnostic-for-enlarged-vestibular-aqueduct-based-on-next-generation-sequencing
#8
Yalan Liu, Lili Wang, Yong Feng, Chufeng He, Deyuan Liu, Xinzhang Cai, Lu Jiang, Hongsheng Chen, Chang Liu, Hong Wu, Lingyun Mei
Enlarged vestibular aqueduct (EVA) is one of the most common congenital inner ear malformations and accounts for 1-12% of sensorineural deafness in children and adolescents. Multiple genetic defects contribute to EVA; therefore, early molecular diagnosis is critical for EVA patients to ensure that the most effective treatment strategies are employed. This study explored a new genetic diagnosis method for EVA and applied it to clinic diagnoses of EVA patients. Using next-generation sequencing technology, we set up a multiple polymerase chain reaction enrichment system for target regions of EVA pathogenic genes (SLC26A4, FOXI1, and KCNJ10)...
2016: PloS One
https://www.readbyqxmd.com/read/27780583/development-of-an-evidence-based-decision-pathway-for-vestibular-schwannoma-treatment-options
#9
Faina Linkov, Benita Valappil, Jacob McAfee, Sharon L Goughnour, Douglas M Hildrew, Andrew A McCall, Igor Linkov, Barry Hirsch, Carl Snyderman
OBJECTIVE: To integrate multiple sources of clinical information with patient feedback to build evidence-based decision support model to facilitate treatment selection for patients suffering from vestibular schwannomas (VS). METHODS: This was a mixed methods study utilizing focus group and survey methodology to solicit feedback on factors important for making treatment decisions among patients. Two 90-minute focus groups were conducted by an experienced facilitator...
January 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27742964/-vestibular-schwannoma-management-and-microsurgical-results
#10
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
https://www.readbyqxmd.com/read/27718642/assessing-subacute-mild-traumatic-brain-injury-with-a-portable-virtual-reality-balance-device
#11
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
https://www.readbyqxmd.com/read/27638085/motion-sickness
#12
REVIEW
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
https://www.readbyqxmd.com/read/27511016/transient-modulations-of-neural-responses-to-heartbeats-covary-with-bodily-self-consciousness
#13
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
https://www.readbyqxmd.com/read/27418422/three-dimensional-virtual-reality-vestibular-rehabilitation-for-chronic-imbalance-problem-caused-by-m%C3%A3-ni%C3%A3-re-s-disease-a-pilot-study
#14
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
https://www.readbyqxmd.com/read/27416720/-modern-means-of-statokinetic-improvement-and-vestibular-rehabilitation
#15
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
https://www.readbyqxmd.com/read/27330418/surgical-management-of-skull-base-tumors
#16
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
https://www.readbyqxmd.com/read/27083886/current-concepts-and-future-approaches-to-vestibular-rehabilitation
#17
REVIEW
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
https://www.readbyqxmd.com/read/27004037/human-tooth-and-root-canal-morphology-reconstruction-using-magnetic-resonance-imaging
#18
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)
https://www.readbyqxmd.com/read/26981283/the-use-of-computer-assisted-home-exercises-to-preserve-physical-function-after-a-vestibular-rehabilitation-program-a-randomized-controlled-study
#19
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
https://www.readbyqxmd.com/read/26976647/neurocognitive-factors-in-sensory-restoration-of-early-deafness-a-connectome-model
#20
REVIEW
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
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