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https://www.readbyqxmd.com/read/29299506/longitudinal-up-regulation-of-endolymphatic-hydrops-in-patients-with-meniere-s-disease-during-medical-treatment
#1
Munehisa Fukushima, Tadashi Kitahara, Ryohei Oya, Shiro Akahani, Hidenori Inohara, Shinji Naganawa, Noriaki Takeda
Objective/Hypothesis: Meniere's disease (MD) is a common inner ear disease characterized by repeated episodic vertigo, fluctuating sensorineural hearing loss, and tinnitus. Its pathology is defined as endolymphatic hydrops (EH) in the inner ear and EH has been hypothesized to correlate with the clinical symptoms of MD. We presented the dynamics of in vivo EH in MD patients during medical treatments. Study Design: Prospective, single-arm repeated measures. Methods: Eleven MD patients were enrolled...
December 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29283100/the-efficacy-of-magnetic-resonance-imaging-for-the-diagnosis-of-superior-semicircular-canal-dehiscence
#2
Fatma Beyazal Çeliker, Abdulkadir Özgür, Metin Çeliker, Mehmet Beyazal, Arzu Turan, Suat Terzi, Mehmet Fatih İnecikli
OBJECTIVE: This study aimed to evaluate the efficacy of magnetic resonance imaging (MRI) for diagnosing superior semicircular canal dehiscence (SSCD). MATERIALS AND METHODS: The radiological records of patients who were admitted to our clinic with complaints of otologic and neuro-otologic symptoms between October 2014 and December 2015 were retrospectively reviewed. Among these patients, those who underwent both computed tomography and MRI and were reported to have SSCD in the temporal bone on at least one side were included in the study group...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29226759/evaluation-and-interpretation-of-the-bucket-test-in-healthy-individuals
#3
Erika Celis-Aguilar, Angel Castro-Urquizo, Juan Mariscal-Castro
OBJECTIVE: To determine and interpret the range of normal deviation of the bucket test in healthy subjects Subjects and methods: Study design: Cross-sectional study in a secondary care center. INCLUSION CRITERIA: subjects ≥18 years old with no otologic or neurologic symptoms and normal complete neuro-otological examination. The subjective visual vertical was evaluated binocularly using the bucket test. Five measurements were made on the clockwise direction and five on the counterclockwise direction...
December 9, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29208729/persistent-postural-perceptual-dizziness-pppd-a-common-characteristic-and-treatable-cause-of-chronic-dizziness
#4
REVIEW
Stoyan Popkirov, Jeffrey P Staab, Jon Stone
Persistent postural-perceptual dizziness (PPPD) is a newly defined diagnostic syndrome that unifies key features of chronic subjective dizziness, phobic postural vertigo and related disorders. It describes a common chronic dysfunction of the vestibular system and brain that produces persistent dizziness, non-spinning vertigo and/or unsteadiness. The disorder constitutes a long-term maladaptation to a neuro-otological, medical or psychological event that triggered vestibular symptoms, and is usefully considered within the spectrum of other functional neurological disorders...
February 2018: Practical Neurology
https://www.readbyqxmd.com/read/29120919/nystagmus
#5
Alexander A Tarnutzer, Dominik Straumann
PURPOSE OF REVIEW: The clinical and laboratory assessment of nystagmus in patients with neurologic disorders can provide crucial elements for a state-of-the-art differential diagnosis. An increasing number of publications in the fields of neuro-otology and neuro-ophthalmology have nystagmus in the center of interest, which makes frequent updates on the diagnostic and therapeutic relevance of these contributions indispensable. This review covers important clinical studies and studies in basic research relevant for the neurologist published from January 2016 to August 2017...
February 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29089158/cerebellar-ataxia-with-neuropathy-and-vestibular-areflexia-syndrome-canvas
#6
Masakatsu Taki, Takashi Nakamura, Hiraku Matsuura, Tatsuhisa Hasegawa, Hirofumi Sakaguchi, Kanako Morita, Ryotaro Ishii, Ikuko Mizuta, Takashi Kasai, Toshiki Mizuno, Shigeru Hirano
Cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome (CANVAS) is a novel ataxic disorder consisting of the triad of cerebellar impairment, bilateral vestibular hypofunction, and a somatosensory deficit. We report the first Japanese case of CANVAS. The patient is a 68-year-old Japanese male. He was referred to our university for further evaluation of progressive gait disturbance and ataxia. He exhibited horizontal gaze-evoked nystagmus and sensory deficit. Nerve conduction studies showed sensory neuronopathy...
October 28, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29081427/clinical-and-video-head-impulse-test-in-the-diagnosis-of-posterior-circulation-stroke-presenting-as-acute-vestibular-syndrome-in%C3%A2-the-emergency-department
#7
Ayse Guler, Funda Karbek Akarca, Cenk Eraslan, Ceyda Tarhan, Cem Bilgen, Tayfun Kirazli, Nese Celebisoy
INTRODUCTION: Head impulse test (HIT) is the critical bedside examination which differentiates vestibular neuritis (VN) from posterior circulation stroke (PCS) in acute vestibular syndrome (AVS). Video-oculography based HIT (vHIT) may have aadditional strength in making the differentiation. METHODS: Patients admitted to the emergency department of a tertiary-care medical center with AVS were studied. An emergency specialist and a neurologist performed HIT. vHIT was conducted by an neuro-otology research fellow...
2017: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29080146/use-of-narrow-band-imaging-and-4k-technology-in-otology-and-neuro-otology-preliminary-experience-and-feasibility-study
#8
Henry Zhang, Phui Yee Wong, Tiarnan Magos, Jabin Thaj, Gaurav Kumar
The advent of the endoscope has facilitated otological surgery in recent years. Advances in optical technology have led to the development of high definition visualisation, such as 4K magnification. Narrow band imaging (NBI) has been shown to improve visualisation of tissue based on varying degrees of vascularity. This is a feasibility study, the first of its kind, aiming to investigate the appearances of middle ear anatomy and pathology (tympanic membrane, tympanosclerosis, cholesteatoma, granulation, endolymphatic sac hydrops, otosclerosis) under the NBI filter, using a high definition 4K endoscope...
January 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29054899/lung-adenocarcinoma-metastastic-lesion-in-the-internal-auditory-meatus
#9
Eugene Hung Chih Wong, Daniel Bodmer, Nora Tetter, Yves Brand
Metastasis to the cerebellopontine angle (CPA) or internal auditory meatus (IAM) is rare.We report a rare case of a 69-year-old woman with metastatic lung adenocarcinoma, who presented with 2 weeks history of left-sided hearing loss and progressively worsening vertigo. Examination revealed a left-sided facial nerve palsy while pure tone audiometry (PTA) showed a new left-sided deafness. MRI showed a new enhancing soft tissue lesion in the left IAM, highly suspicious of new metastases from her progressive lung cancer, which contributed to her neuro-otological symptoms...
October 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28967313/extended-middle-fossa-approach-with-anterior-petrosectomy-for-resection-of-upper-petroclival-meningioma-involving-meckel-s-cave-operative-video-and-technical-nuances
#10
James K Liu
The surgical management of petroclival meningiomas remains a formidable challenge. These tumors are deep in the base of the skull and arise medial to the fifth cranial nerve. In this operative video, the author demonstrates the extended middle fossa approach with anterior petrosectomy to resect an upper petroclival meningioma extending into Meckel's cave with brainstem compression. This approach is very useful for accessing deep tumors located above and below the tentorium, and between the fifth and seventh cranial nerves...
October 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28947096/3d-constructive-interference-into-steady-state-3d-ciss-labyrinth-signal-alteration-in-patients-with-vestibular-schwannoma
#11
Franca Wagner, Evelyn Herrmann, Roland Wiest, Andreas Raabe, Corrado Bernasconi, Marco Caversaccio, Dominique Vibert
OBJECTIVE: To evaluate signal intensity of the inner ear using 3D-CISS imaging and correlated signal characteristics in patients with vestibular schwannoma to neuro-otological symptoms. METHODS: Sixty patients with unilateral vestibular schwannoma were retrospectively reviewed. All patients had had initial and follow-up magnetic resonance imaging (MRI). Individual treatment strategies consisted of "wait-and-watch", surgical tumour resection, stereotactic radiosurgery or both surgery and stereotactic radiosurgery...
September 22, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28794847/neuro-otological-and-peripheral-nerve-involvement-in-fabry-disease
#12
Sergio Carmona, Romina Weinschelbaum, Ana Pardal, Cintia Marchesoni, Paz Zuberbuhler, Patricia Acosta, Guillermo Cáceres, Isaac Kisinovsky, Luciana Bayón, Ricardo Reisin
Fabry disease (FD) is an X-linked lysosomal storage disease, with multisystemic glycosphingolipids deposits. Neuro-otological involvement leading to hearing loss and vestibular dysfunctions has been described, but there is limited information about the frequency, site of lesion, or the relationship with peripheral neuropathy. The aim was to evaluate the presence of auditory and vestibular symptoms, and assess neurophysiological involvement of the VIII cranial nerve, correlating these findings with clinical and neurophysiological features of peripheral neuropathy...
July 18, 2017: Audiology Research
https://www.readbyqxmd.com/read/28790966/randomized-controlled-study-of-a-remote-flipped-classroom-neuro-otology-curriculum
#13
Frederick Robert Carrick, Mahera Abdulrahman, Ahmed Hankir, Maksim Zayaruzny, Kinda Najem, Palita Lungchukiet, Roger A Edwards
CONTEXT: Medical Education can be delivered in the traditional classroom or via novel technology including an online classroom. OBJECTIVE: To test the hypothesis that learning in an online classroom would result in similar outcomes as learning in the traditional classroom when using a flipped classroom pedagogy. DESIGN: Randomized controlled trial. A total of 274 subjects enrolled in a Neuro-otology training program for non-Neuro-otologists of 25 h held over a 3-day period...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28485669/postural-stability-in-a-population-of-dancers-healthy-non-dancers-and-vestibular-neuritis-patients
#14
Eduardo Martin-Sanz, Isabel Ortega Crespo, Jonathan Esteban-Sanchez, Ricardo Sanz
INTRODUCTION: Several studies have indicated better balance control in dancers than in control participants, but some controversy remains. The aim of our study is to evaluate the postural stability in a cohort of dancers, non-dancers, compensated, and non-compensated unilateral vestibular neuritis (VN). METHODS: This is a prospective study of control subjects, dancers, and VN patients between June 2009 and December 2015. Dancers from the Dance Conservatory of Madrid and VN patients were referred to our department for analysis...
September 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28274903/cholesteatoma-definition-and-classification-a-literature-review
#15
REVIEW
Justyna Rutkowska, Nuri Özgirgin, Ewa Olszewska
Cholesteatoma is a serious otolaryngologic condition that to date remains an important problem and poses a challenge to otolaryngologists around the world. To improve the approach pertaining to the diagnosis and management of middle ear cholesteatoma, clear, clinically applicable, and useful definition and classification of cholesteatoma are required. This review aimed to evaluate the current and most accepted descriptions and opinions concerning cholesteatoma. A review of the literature concerning different definitions and classifications of cholesteatoma was used in the preparation of the Cholesteatoma Guidelines, a project implemented by the European Academy of Otology - Neuro-otology...
August 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28271170/acute-vestibular-syndrome-in%C3%A2-cerebellar-stroke-a%C3%A2-case-report-and-review-of-the-literature
#16
V Volgger, R Gürkov
The current paper reports on a patient with recurrent rotational vertigo and persistent dizziness and imbalance lasting several weeks, who underwent extensive neuro-otological and radiological examinations. Pathological findings initially included right-sided benign paroxysmal positional vertigo (BPPV), persistent horizontal spontaneous nystagmus (SPN) to the left, and a pathological bedside and video head impulse test (HIT) on the left. The pathological HIT on the left and the SPN to the left indicated a central origin...
March 7, 2017: HNO
https://www.readbyqxmd.com/read/28265260/role-of-the-patient-s-history-of-vestibular-symptoms-in-the-clinical-evaluation-of-the-bedside-head-impulse-test
#17
Christoph Helmchen, Julia Knauss, Peter Trillenberg, Anita Frendl, Andreas Sprenger
OBJECTIVE: Our aim was to identify the role of the investigators' knowledge of the patient's history of vestibular symptoms (PVH) in the clinical evaluation of the bedside head-impulse test (bHIT). We hypothesized that this knowledge will reduce uncertainty and improve bHIT accuracy when compared to quantitative analysis of the vestibulo-ocular reflex by video head-impulse test (vHIT). METHODS: We looked for changes in the clinical assessment of the bHIT in 594 consecutive patients before and after taking PVH...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28252586/-the-peripheral-vestibular-disorders-encountered-in-the-routine-out-patient-practical-work
#18
M V Zamergrad, V A Parfenov, S V Morozova, O A Mel'nikov, L M Antonenko
The objective of the present study was to elucidate the frequency of causes underlying the development of dizziness and vertigo in the patients seeking advice and care at an outpatient healthcare facility. A total of 590 patients with complaints of dizziness and vertigo were examined. It was found out that the peripheral disorders of the vestibular analyzer were the most frequent causes of dizziness and vertigo in the majority of the examined patients. These conditions were documented to occur in more than 65% of the patients...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28212927/patients-with-chronic-dizziness-following-traumatic-head-injury-typically-have-multiple-diagnoses-involving-combined-peripheral-and-central-vestibular-dysfunction
#19
Q Arshad, R E Roberts, H Ahmad, R Lobo, M Patel, T Ham, D J Sharp, B M Seemungal
OBJECTIVE: We hypothesised that chronic vestibular symptoms (CVS) of imbalance and dizziness post-traumatic head injury (THI) may relate to: (i) the occurrence of multiple simultaneous vestibular diagnoses including both peripheral and central vestibular dysfunction in individual patients increasing the chance of missed diagnoses and suboptimal treatment; (ii) an impaired response to vestibular rehabilitation since the central mechanisms that mediate rehabilitation related brain plasticity may themselves be disrupted...
April 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28202828/-diagnosis-of-cochleovestibular-neurovascular-compression-syndrome-a-scoring-system-based-on-five-clinical-characteristics
#20
Tomomi Okamura, Takafumi Nishizaki, Norio Ikeda, Shigeki Nakano, Takanori Sakakura, Natsumi Fujii, Takeshi Okuda
The optimal method for diagnosing cochleovestibular neurovascular compression syndrome(CNVC)remains controversial, and the aim of this study is to develop a standard diagnostic instrument for the condition. The clinical features of 53 sides of 50 patients with a combination of vertigo, tinnitus, and/or hearing loss were retrospectively evaluated. The following five clinical features were evaluated and given a score of 1 or 0:1)a long history of recurrent vertigo, tinnitus, or hearing loss;2)neurological findings related to positional vertigo, nystagmus, tinnitus, or hearing loss;3)neuro-otological findings involving tinnitus, audiometry, or vestibular testing;4)auditory brainstem response(ABR)evaluation with the detection of a low 25-75% II wave amplitude on the contralateral side and delayed interpeak latency in the I-III or I-V waves(usually low II wave amplitude combined with double peaks and a wide-based form)during ABR evaluation using 80 and 90dB clicks;and 5)the detection of vascular contact with the eighth cranial nerve on magnetic resonance imaging-constructive interference in steady state or air computed tomography imaging...
February 2017: No Shinkei Geka. Neurological Surgery
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