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https://www.readbyqxmd.com/read/28330066/endolymphatic-hydrops-imaging-why-oving-from-semi-quantitative-to-anatomical-based-evaluation
#1
Michael Eliezer, Irène Tropres, Alexandre Krainik, Arnaud Attye
INTRODUCTION: Recently, the semi-quantitative ratio grading for endolymphatic hydrops (EH) was found as none specific of MD because all healthy subjects referred with at least one hydrops location with this grading method and 3D-FLAIR sequence. The objectives of this study were to assess the EH prevalence in MD using both the semi-quantitative ratio method of grading and the Saccule to Utricle Ration Inversion (SURI) technique with two 3D-FLAIR sequences, closely similar except for the inversion time of the sequence...
March 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28325925/the-blood-labyrinthine-barrier-in-the-human-normal-and-meniere-s-disease-macula-utricle
#2
Gail Ishiyama, Ivan A Lopez, Paul Ishiyama, Harry V Vinters, Akira Ishiyama
The ultrastructural organization of the blood labyrinthine barrier (BLB) was investigated in the human vestibular endorgan, the utricular macula, using postmortem specimens from individuals with documented normal auditory and vestibular function and surgical specimens from patients with intractable Meniere's disease. Transmission electron microscopic analysis of capillaries located in the normal human utricular stroma showed vascular endothelial cells with few pinocytotic vesicles, covered by a smooth and uniform basement membrane surrounded by pericyte processes...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321563/do-patients-with-m%C3%A3-ni%C3%A3-re-s-disease-have-attacks-of-syncope
#3
Ilmari Pyykkö, Vinaya Manchaiah, Jing Zou, Hilla Levo, Erna Kentala
The aim of the present study was to evaluate the prevalence and associated factors for syncope among patients with Ménière's disease (MD). An attack of syncope was defined as a sudden and transient loss of consciousness, which subsides spontaneously and without a localizing neurological deficit. The study used an across-sectional survey design. Information from a database consisting of 961 individuals was collected from the Finnish Ménière Association. The data contained case histories, general health-related quality of life (HRQoL), and impact measurements of the complaints...
March 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28306710/are-intratympanic-corticosteroids-effective-for-m%C3%A3-ni%C3%A3-re%C3%A2-s-disease
#4
Ángela Chuang-Chuang, María A Baeza
Ménière’s disease affects the inner ear and its main symptoms are vertigo, hearing loss and fluctuating aural symptoms. Nowadays, there are many therapeutic alternatives, being the use of intratympanic corticosteroids one that has become popular. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple databases. We identified four systematic reviews including 15 studies overall, of which seven were randomized trials. We extracted data and generated a summary of findings table using the GRADE approach...
March 13, 2017: Medwave
https://www.readbyqxmd.com/read/28304075/steroid-intracochlear-distribution-differs-by-administration-method-systemic-versus-intratympanic-injection
#5
Jong Joo Lee, Jeong Hun Jang, Oak-Sung Choo, Hye Jin Lim, Yun-Hoon Choung
OBJECTIVE: Steroids have been widely used to treat inner-ear diseases such as sudden sensorineural hearing loss, tinnitus, and Meniere's disease. They can be given via either systemic or intratympanic (IT) injection. The purpose of the present study was to explore differences in intracochlear steroid distribution by the administration method employed (systemic vs. IT injection). STUDY DESIGN: Animal study. METHODS: Twenty-three Sprague-Dawley rats were given fluorescein isothiocyanate-labeled dexamethasone (FITC-DEX) three times (on successive days) via intraperitoneal (IP) or IT injection...
March 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28292626/intratympanal-gentamicin-in-meniere-s-disease-effects-on-individual-semicircular-canals
#6
Béla Büki, Heinz Jünger
OBJECTIVE: In this retrospective study the aim of the authors was to examine the effect of gentamicin on the individual semicircular canals after low dose, single injection intratympanal gentamicin therapy in Meniere's disease. METHODS: Data of 32 patients treated between 2011 and 2015 were collected. The high frequency, high acceleration vestibuloocular reflex (VOR) gain was measured in the individual semicircular canals using video head impulse test immediately before the first intratympanal gentamicin instillation and approximately two months later...
March 11, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28286401/histopathology-of-meniere-s-disease
#7
Sebahattin Cureoglu, Rafael da Costa Monsanto, Michael M Paparella
No abstract text is available yet for this article.
December 2016: Operative Techniques in Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28282709/analysis-of-saccular-function-with-vestibular-evoked-myogenic-potential-test-in-meniere-s-disease
#8
Sasan Dabiri, Nasrin Yazdani, Mahdis Esfahani, Niloufar Tari, Susan Adil, Zahra Mahvi, Nima Rezazadeh
Meniere's disease is the disorder of inner ear characterized by vertigo, tinnitus and sensorineural hearing loss. The vestibular evoked myogenic potential (VEMP) test could be useful in the analysis of saccular function, and diagnosis of Meniere's disease. In this study, we've analyzed the saccular function, using VEMP test in different groups of Meniere's disease. Patients were categorized as possible, probable or definite Meniere's disease groups according to the guideline of American Academy of Otolaryngology-Head and Neck Surgery...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28269598/3d-reconstruction-of-cochlea-using-optical-coherence-tomography
#9
Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda
Recently, in vivo visualization of the cochlea and the smaller structures inside of it has been achieved by optical coherence tomography (OCT). This makes it possible to use OCT imaging for diagnosis of diseases such as Meniere's disease through measuring the degree of endolymphatic hydrops. To this end, we present a novel method for 3D segmentation of these cochlear OCT images that is based on superpixels and diffusion maps. The method takes as input grayscale volumetric OCT images and outputs a binary image with the segmented cochlea...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28256285/imaging-of-the-endolymphatic-space-in-patients-with-m%C3%A3-ni%C3%A3-re-s-disease
#10
Tadao Yoshida, Satofumi Sugimoto, Masaaki Teranishi, Hironao Otake, Masahiro Yamazaki, Shinji Naganawa, Tsutomu Nakashima, Michihiko Sone
OBJECTIVE: To examine endolymphatic hydrops (EH) using magnetic resonance imaging (MRI) in patients with definite Ménière's disease (MD) and those with nonotological diseases. METHODS: We studied 32 patients with unilateral MD, 10 patients with bilateral MD and 21 patients with control ears who had other benign diseases not associated with hearing or vestibular dysfunction. The mean age of the subjects was 54.0 years (range 27-74) in the MD group and 56.1 years (range 24-79) in the control group...
February 27, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28252586/-the-peripheral-vestibular-disorders-encountered-in-the-routine-out-patient-practical-work
#11
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/28244505/the-aetiopathologies-of-m%C3%A3-ni%C3%A3-re-s-disease-a-contemporary-review
#12
B S Oberman, V A Patel, S Cureoglu, H Isildak
Ménière's disease, a condition first described in the 1800's, has been an advancing area of clinical interest and scientific research in recent decades. Guidelines published by the American Academy of Otolaryngology - Head and Neck Surgery remained nearly static for almost 20 years, although we have certainly expanded our knowledge of the aetiology of the disease since that time. This review of the literature highlights the breadth and detail of the current theories in understanding the pathophysiology of this enigmatic disease...
February 28, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28236785/association-between-ambient-particulate-matter-and-disorders-of-vestibular-function
#13
Changwoo Han, Youn-Hee Lim, Kweon Jung, Yun-Chul Hong
BACKGROUND: Exposure to environmental chemicals has been suggested to alter the physiologic state of the inner and middle ear. However, it is unknown if particulate matter exposure is associated with acute vestibular dysfunction. OBJECTIVES: To estimate the effects of particulate matter exposure on the number of hospital visits related to three major diseases of vestibular dysfunction, Meniere's disease (MD), benign paroxysmal positional vertigo (BPPV), and vestibular neuronitis (VN)...
February 22, 2017: Environmental Research
https://www.readbyqxmd.com/read/28227854/3d-reconstruction-of-cochlea-using-optical-coherence-tomography
#14
Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda, Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda, Yuki Uranishi, Hiroshi Tamura, Tatsunori Sakamoto, Yosuke Tona, Tomohiro Kuroda, Kazuya Okamoto, Tuukka Karvonen
Recently, in vivo visualization of the cochlea and the smaller structures inside of it has been achieved by optical coherence tomography (OCT). This makes it possible to use OCT imaging for diagnosis of diseases such as Meniere's disease through measuring the degree of endolymphatic hydrops. To this end, we present a novel method for 3D segmentation of these cochlear OCT images that is based on superpixels and diffusion maps. The method takes as input grayscale volumetric OCT images and outputs a binary image with the segmented cochlea...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220492/magnetic-resonance-imaging-of-intratympanic-gadolinium-helps-differentiate-vestibular-migraine-from-m%C3%A3-ni%C3%A3-re-disease
#15
Wenfang Sun, Ping Guo, Tongli Ren, Wuqing Wang
OBJECTIVES/HYPOTHESIS: To study the differential diagnosis of vestibular migraine (VM) and Ménière disease (MD) by using magnetic resonance imaging (MRI) of intratympanic gadolinium. STUDY DESIGN: Prospective cohort study. METHODS: Definite MD patients (n = 30) and definite or probable VM patients (n = 30) were included, and the two groups were age and sex matched. Three-dimensional real inversion recovery (3D-real-IR) MRI was performed 24 hours after bilateral intratympanic gadolinium to assess the presence and degree of endolymphatic hydrops (EH)...
February 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28219165/-the-pilot-study-of-type-%C3%A2-allergic-reaction-in-meniere-s-disease-patients
#16
T Pan, Y Zhao, Y J Ding, Z Y Lu, F R Ma
Objective: To evaluate the correlation between type Ⅰ allergic reaction and pathogenesis of Meniere's disease. Methods: A total of 35 (10 male vs. 25 female) patients aged between 21-66 years diagnosed with Meniere's disease were recruited to this study, mean age of them was (47.3±13.6) years. The control group consisted of 15 inpatients (5 male vs. 10 female) with pharyngolaryngeal diseases but without otologic and rhinologic abnormity, mean age was 45.4±12.8 years. Allergic prevalence, serous total immunoglobulin E( tIgE ) levels, serous specific immunoglobulin E( sIgE ) levels and subtypes of T lymphocytes were measured and compared in patients with Meniere's disease and the control group...
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28214024/long-term-outcomes-of-endolymphatic-sac-shunting-with-local-steroids-for-meniere-s-disease
#17
Cameron C Wick, Nauman F Manzoor, Caileigh McKenna, Maroun T Semaan, Cliff A Megerian
OBJECTIVES: To evaluate the long-term efficacy of endolymphatic sac shunt techniques with and without local steroid administration. STUDY DESIGN: Retrospective case series and patient survey. SETTING: Tertiary university hospital. PATIENTS: Meniere's disease (MD) patients that failed medical therapy and subsequently underwent an endolymphatic sac shunt procedure. All patients had definitive or probable MD and at least 18-months of follow-up...
January 20, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28192380/intratympanic-triamcinolone-and-dexamethasone-in-the-treatment-of-m%C3%A3-ni%C3%A3-re-s-syndrome
#18
Mejd Jumaily, Farhoud Faraji, Anthony A Mikulec
OBJECTIVE: To describe the safety and potential efficacy of intratympanic administration of triamcinolone (40 mg/mL) in the treatment of unilateral Ménière's syndrome. STUDY DESIGN: Single-institution retrospective analysis. SETTING: Tertiary referral neurotology clinic. PATIENTS: Eighteen patients diagnosed with unilateral Ménière's syndrome with vertigo refractory to medical management. INTERVENTION(S): Intratympanic injection of triamcinolone or dexamethasone...
March 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28187057/improvements-in-gait-with-hearing-aids-and-cochlear-implants
#19
Corey S Shayman, Gammon M Earhart, Timothy E Hullar
OBJECTIVE: To evaluate whether wearing auditory assistive devices can improve gait and dynamic balance. PATIENTS: Three adult users of bilateral hearing assistive devices: one with cytomegalovirus exposure wearing cochlear implants, one with Ménière's disease wearing hearing aids, and one with presbystasis wearing hearing aids. INTERVENTION: Rehabilitative intervention involved participants performing gait and dynamic posture tasks with and without their hearing assistive devices...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28174524/ups-and-downs-in-75-years-of-electrocochleography
#20
REVIEW
Jos J Eggermont
Before 1964, electrocochleography (ECochG) was a surgical procedure carried out in the operating theatre. Currently, the newest application is also an intra-operative one, often carried out in conjunction with cochlear implant surgery. Starting in 1967, the recording methods became either minimal- or not-invasive, i.e., trans-tympanic (TT) or extra tympanic (ET), and included extensive studies of the arguments pro and con. I will review several valuable applications of ECochG, from a historical point of view, but covering all 75 years if applicable...
2017: Frontiers in Systems Neuroscience
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