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https://www.readbyqxmd.com/read/28449168/mri-sequences-in-head-neck-radiology-state-of-the-art
#1
Gerlig Widmann, Benjamin Henninger, Christian Kremser, Werner Jaschke
Background Magnetic resonance imaging (MRI) has become an essential imaging modality for the evaluation of head & neck pathologies. However, the diagnostic power of MRI is strongly related to the appropriate selection and interpretation of imaging protocols and sequences. The aim of this article is to review state-of-the-art sequences for the clinical routine in head & neck MRI and to describe the evidence for which medical question these sequences and techniques are useful. Method Literature review of state-of-the-art sequences in head & neck MRI...
May 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28437363/intratympanic-dexamethasone-in-the-treatment-of-m%C3%A3-ni%C3%A3-re-s-disease-a-comparison-of-two-techniques
#2
Jason A Beyea, Ryan S Instrum, Sumit K Agrawal, Lorne S Parnes
OBJECTIVE: To assess the efficacy and safety of two different intratympanic dexamethasone (IT Dex) injection protocols for intractable unilateral Ménière's disease. STUDY DESIGN: Prospective case series. SETTING: Tertiary neurotology clinic. PATIENTS: One hundred six consecutive adult patients with definite unilateral Ménière's disease who had failed medical management were studied for an average of 1,061 days. None had previous oral steroid, IT steroid, or ablative treatment...
April 21, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28419063/the-effect-of-elevated-intracranial-pressure-on-frequency-tuning-of-air-conducted-ocular-vestibular-myogenic-potentials-in-m%C3%A3-ni%C3%A3-re-s-disease-patients
#3
Rebecca Maxwell, Claudia Jerin, Robert Gürkov
OBJECTIVE: To investigate the effect of increased intracranial pressure on ocular vestibular-evoked myogenic potential (oVEMP) amplitudes and frequency tuning in patients with Ménière's disease (MD) to elucidate whether oVEMPS recorded under such conditions could provide a simple and accurate diagnostic test for MD. SETTING: Tertiary referral center for otology and neurotology. PATIENTS: Ten patients with certain unilateral MD (mean age = 48...
April 17, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28416082/final-diagnosis-of-patients-with-clinically-suspected-vestibular-neuritis-showing-normal-caloric-response
#4
Sung Hwan Ahn, Jung Eun Shin, Chang-Hee Kim
Vestibular neuritis is one of the most common peripheral causes of acute vestibular syndrome, of which the diagnosis is generally based on a comprehensive interpretation of clinical and laboratory findings following reasonable exclusion of other disorders. This study aimed to investigate the final diagnosis of patients admitted to hospital under the clinical impression of vestibular neuritis who showed no unilateral caloric paresis. Forty-five patients who visited the emergency department with isolated acute spontaneous vertigo were included...
April 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28414694/ipsilesional-nystagmus-induced-by-vibration-in-subjects-with-m%C3%A3-ni%C3%A3-re-s-disease-or-vestibular-schwannoma
#5
María Fernanda Vargas Gamarra, Claudio Krstulovic, Vanesa Pérez Guillén, Herminio Pérez-Garrigues
OBJECTIVE: To analyze the frequency in which vibration-induced nystagmus (VIN) with ipsilesional direction appears in subjects with Ménière's disease (MD) or vestibular schwannoma (VS). STUDY DESIGN: Cross-sectional study. SETTING: Tertiary referral center. PATIENTS: Fifty-two subjects with MD and 21 subjects with vestibular schwannoma. INTERVENTION: Videonystagmographic recordings of VIN at 30, 60, and 100 Hz...
April 14, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28413076/detection-of-endolymphatic-hydrops-using-traditional-mr-imaging-sequences
#6
John H Keller, Barry E Hirsch, Ryan S Marovich, Barton F Branstetter
PURPOSE: The purpose of this study was to determine whether Meniere's disease (MD) produces endolymphatic cavity size changes that are detectable using unenhanced high-resolution T2-weighted MRI. MATERIALS & METHODS: This retrospective case-control study included patients with documented MD who had a high-resolution T2-weighted or steady-state free procession MRI of the temporal bones within one month of diagnosis, between 2002 and 2015. Patients were compared to age- and sex- matched controls...
April 6, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28406851/in-reply-to-the-letter-to-the-editor-two-common-second-causes-of-dizziness-in-patients-with-m%C3%A3-ni%C3%A3-re-s-disease
#7
Babette F van Esch, Hester J van der Zaag-Loonen, Tjasse D Bruintjes, Peter Paul G van Benthem
No abstract text is available yet for this article.
April 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28406850/in-response-to-secondary-causes-of-dizziness-in-patients-with-m%C3%A3-ni%C3%A3-re-s-disease
#8
Hossein Mahboubi, Omid Moshtaghi, Kasra Ziai, Hamid R Djalilian
No abstract text is available yet for this article.
April 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28406849/current-management-practices-in-m%C3%A3-ni%C3%A3-re-s-disease
#9
Joseph W Clyde, Benjamin S Oberman, Huseyin Isildak
OBJECTIVE: To evaluate current trends in managing Ménière's disease (MD) by both general otolaryngologists and otologists/neurotologists and discuss treatment modalities. STUDY DESIGN: Cross-sectional study. SETTING: Survey of physicians. SUBJECTS AND METHODS: An electronic questionnaire was disseminated to all members of American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS). RESULTS: Eight hundred and sixty members replied for a response rate of 14...
April 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28399691/effect-of-aldosterone-on-cochlear-af9-expression-and-hearing-in-guinea-pig
#10
Li Qin, Biyun Zhang, Qianying Wang, Duanchao Li, Xiaoli Luo, Shixun Zhong
CONCLUSIONS: Af9 protein in cochlea may be closely related to endolymph regulation by aldosterone and thus may be involved in pathogenesis of endolymphatic hydrops (EH). OBJECTIVES: EH is the pathological characteristic of Ménière's disease (MD). Aldosterone could induce EH, but its relationship with MD is still controversial. The aim of the present study is to investigate the Af9 protein expression in guinea pig cochlea and regulation of Af9 expression and cochlear function by aldosterone...
April 11, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28395500/-advances-in-auditory-function-research-of-meniere-disease
#11
Y Zhang, B Liu
Meniere disease is a unique, progressive disease of the inner ear. The complex manifestation presents diagnostic challenges. It is difficult to diagnose due to the absence of typical presentations especially in the early stages. The cochlear symptoms often present prior to vertigo and tend to be ignored. Therefore, focusing on the cochlear symptoms and functions may provide information for early diagnosis and may protect the patients from acquiring a hearing disability. This review focused on the pure-tone audiometry, glycerin test, distortion product otoacoustic emissions, auditory brainstem response, electrocochleogram, multifrequency tympanometry, and speech audiometry, which hopefully could emphasize the importance of the symptomatic and functional findings of cochlear, and be helpful in diagnosis for Meniere disease...
March 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/28395490/-pilot-study-on-the-functional-evaluation-of-vestibular-otolith-organ-pathway-in-the-stage-of-patients-with-meniere-disease
#12
X R Niu, P Han, Z C Chen, Y Z Zhang, Y Gao, Y Cheng, J Hu, Y Xu, Q Zhang, M Xu
Objective: To observe the features of air-conducted sound elicited ocular vestibular-evoked myogenic potential(ACS-oVEMP) and cervical vestibular-evoked myogenic potential(ACS-cVEMP) in patients with Meniere disease (MD). To analyze the relationship between air-conducted sound elicited vestibular-evoked myogenic potentials (ACS-VEMP) responses and clinical stages of disease, as well as its clinical application of cervical and ocular vestibular evoked myogenic potentials in MD. Method: Fifty six patients with MD and 50 normal subjects (100 ears) were recruited for conventional cVEMP and oVEMP examinations...
March 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/28395489/-frequency-characteristics-of-the-semicicular-canals-damage-in-patients-with-meniere-disease
#13
K X Xu, T S Chen, W Wang, S S Li, Q Liu, C Wen, X Han, P Lin
Objective: To evaluate semicircular canal damage and its frequency characteristics in Meniere disease patients. Methods: Sixty-seven Meniere disease patients accepted the video-head impulse test(vHIT)which responses to semicircular canal function of high frequency area, head shaking test(HST) which responses to semicircular canal function of middle frequency area, and caloric test(CT) which responses to semicircular canal function of low frequency area.Preferences were recorded including the video head impulse test gain (vHIT-G), head shaking nystagmus (HSN) and parameters of the unilateral weakness (UW) as observation index, and results of all the three tests were analyzed according to Meniere disease patients...
March 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/28395488/-intensive-reading-of-the-guidelines-of-diagnosis-and-treatment-of-meniere-disease-and-benign-paroxysmal-positional-vertigo
#14
W J Kong, B Liu, Y M Leng, S L Zhang
No abstract text is available yet for this article.
March 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/28395486/-guideline-of-diagnosis-and-treatment-of-meniere-disease-2017
#15
(no author information available yet)
No abstract text is available yet for this article.
March 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/28395427/-etiological-analysis-on-patients-in-department-of-vertigo-and-dizziness-oriented-outpatient
#16
F Li, X G Wang, J H Zhuang, Y Chen, X W Zhou, B Gao, H H Gu
Objective: We aimed to explore the spectrum of causes for patients in department of vertigo and dizziness oriented outpatient, in order to provide a reference for diagnosis and treatment of patients with vertigo or dizziness. Methods: Retrospective analysis were carried out with clinical data of patients in our department of vertigo and dizziness oriented outpatient. The target group under study was diagnosed based on the uniform diagnostic criteria, and re-visiting patients were excluded. Results: This clinical study was conducted on 5 348 cases, who visited our vertigo and dizziness oriented outpatient from December 2012 to July 2015...
April 11, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28390798/complete-and-irreversible-unilateral-vestibular-loss-a-novel-rat-model-of-vestibular-pathology
#17
David Péricat, Anne Farina, Emilie Agavnian-Couquiaud, Christian Chabbert, Brahim Tighilet
BACKGROUND: Both basic and applied studies on the pathophysiology of vestibular disorders are currently impaired by the lack of animal models of controlled vestibular damages. NEW METHODS: In the present study, we describe the procedure to achieve a surgical unilateral vestibular neurectomy (UVN) in the rat and evaluate its functional consequences. This procedure is suitable for reproducing a unilateral, sudden and definitive vestibular areflexia. RESULTS: Proper induction of a UVN induces a severe vestibular syndrome, which mimics vestibular disorders encountered in humans...
April 5, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28382128/endolymphatic-sac-surgery-for-m%C3%A3-ni%C3%A3-re-s-disease-current-opinion-and-literature-review
#18
Maria de Lourdes Flores García, Carolina de la Llata Segura, Juan Carlos Cisneros Lesser, Carlo Pane Pianese
Introduction The endolymphatic sac is thought to maintain the hydrostatic pressure and endolymph homeostasis for the inner ear, and its dysfunction may contribute to the pathophysiology of Ménière's disease. Throughout the years, different surgical procedures for intractable vertigo secondary to Ménière's disease have been described, and though many authors consider these procedures as effective, there are some who question its long-term efficacy and even those who think that vertigo control is achieved more due to a placebo effect than because of the procedure itself...
April 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28374851/claudin-expression-in-the-rat-endolymphatic-duct-and-sac-first-insights-into-regulation-of-the-paracellular-barrier-by-vasopressin
#19
Daniel Runggaldier, Lidia Garcia Pradas, Peter H Neckel, Andreas F Mack, Bernhard Hirt, Corinna Gleiser
Hearing and balance functions of the inner ear rely on the homeostasis of the endolymphatic fluid. When disturbed, pathologic endolymphatic hydrops evolves as observed in Menière's disease. The molecular basis of inner ear fluid regulation across the endolymphatic epithelium is largely unknown. In this study we identified the specific expression of the tight junction (TJ) molecules Claudin 3, 4, 6, 7, 8, 10, and 16 in epithelial preparations of the rat inner ear endolymphatic duct (ED) and endolymphatic sac (ES) by high-throughput qPCR and immunofluorescence confocal microscopy...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28349763/radiographic-evidence-of-occult-intracranial-hypertension-in-patients-with-m%C3%A3-ni%C3%A3-re-s-disease
#20
Kareem O Tawfik, Shawn M Stevens, David Mihal, Mark S Costello, Rebecca S Cornelius, Ravi N Samy, Myles L Pensak
Objectives (1) Describe the prevalence of radiographic signs of intracranial hypertension (ICH) in Ménière's disease (MD) and (2) compare the prevalence of radiographic signs of ICH in MD patients managed medically to those managed surgically. Study Design Case-control study. Setting Academic neurotologic practice. Subjects and Methods Adult MD patients (aged ≥17 years) treated from 2011 to 2015 were reviewed. Inclusion required magnetic resonance imaging (MRI) of the head and follow-up >6 months. Patients with intracranial tumors, mass effect, trauma, previous intracranial surgery, and glaucoma were excluded...
March 1, 2017: Otolaryngology—Head and Neck Surgery
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