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Positional Vertigo

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https://www.readbyqxmd.com/read/28534686/hashimoto-s-thyroiditis-and-vestibular-dysfunction
#1
Giuseppe Chiarella, Diego Russo, Fabio Monzani, Claudio Petrolo, Bruno Fattori, Giuseppe Pasqualetti, Ettore Cassandro, Giuseppe Costante
The aim of this review was to analyze the existing literature concerning the relationship between Hashimoto's thyroiditis (HT) and vestibular dysfunction. METHODS: We used electronic databases (PubMed, EMBASE, Cochrane Library) to search and collect all published articles about association between HT and vestibular disorders. RESULTS: Several observational and retrospective studies have postulated a relationship of thyroid autoimmunity and vestibular disorders. In most cases, an appropriate control group was lacking and the impact of thyroid functional status could not precisely be established...
May 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28533763/is-alteration-of-tuning-property-in-cervical-vestibular-evoked-myogenic-potential-specific-for-m%C3%A3-ni%C3%A3-re-s-disease
#2
Toshihisa Murofushi, Masahito Tsubota, Ryota Suizu, Eriko Yoshimura
OBJECTIVE: The aim of this study is to show sensitivity and specificity of cervical vestibular-evoked myogenic potential (cVEMP) tuning property test to Ménière's disease (MD) in comparison with healthy controls (HC) and patients with other vestibular diseases. SUBJECTS: Totally 92 subjects (50 women and 42 men, 20-77 years of age) were enrolled in this study. Subjects were composed of 38 definite unilateral MD patients, 11 unilateral benign paroxysmal positional vertigo patients, 14 vestibular migraine patients, 19 unilateral vestibular neuritis patients, and 10 HC...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28522134/benign-paroxysmal-positional-vertigo-the-great-unknown
#3
EDITORIAL
Virginia Franco-Gutiérrez, Paz Pérez
No abstract text is available yet for this article.
May 15, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28498271/epidemiology-of-dizzy-patient-population-in-a-neurotology-clinic-and-predictors-of-peripheral-etiology
#4
Thomas Muelleman, Matthew Shew, Rahul Subbarayan, Axel Shum, Kevin Sykes, Hinrich Staecker, James Lin
OBJECTIVE: To compare the proportion of peripheral versus nonperipheral dizziness etiologies among all patients, inclusive of those presenting primarily or as referrals, to rank diagnoses in order of frequency, to determine whether or not age and sex predict diagnosis, and to determine which subgroups tended to undergo formal vestibular testing. STUDY DESIGN: Retrospective cohort. SETTING: Academic neurotology clinic. PATIENTS: Age greater than 18 neurotology clinic patients with the chief complaint of dizziness...
May 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28498270/age-related-increase-in-blood-levels-of-otolin-1-in-humans
#5
Ryan Tabtabai, Laura Haynes, George A Kuchel, Kourosh Parham
OBJECTIVE: To test the hypothesis that age-related demineralization of otoconia will result in an age-related increase in blood levels of otoconia matrix protein, otolin-1. STUDY DESIGN: Cross-sectional observational clinical trial. SETTING: Clinical research center. PATIENTS: Seventy nine men and women ranging in age from 22 to 95 years old. INTERVENTIONS: Diagnostic. MAIN OUTCOME MEASURES: Blood levels of otolin-1 in relation to age...
May 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28485653/vestibular-rehabilitation-in-benign-paroxysmal-positional-vertigo-reality-or-fiction
#6
Federica Bressi, Paola Vella, Manuele Casale, Antonio Moffa, Lorenzo Sabatino, Michele Antonio Lopez, Francesco Carinci, Rocco Papalia, Fabrizio Salvinelli, Silvia Sterzi
The objective of this article is to systematically review the evidence on the effectiveness of vestibular rehabilitation (VR) in patients with benign paroxysmal positional vertigo (BPPV). Relevant published studies about VR in BPPV were searched in PubMed, Google Scholar and Ovid using various keywords. We included trials that were available in the English language and did not apply publication year or publication status restrictions. Studies based on the VR in other peripheral and/or central balance disorders are excluded...
May 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28484820/-vertigo-and-dizziness-in-the-emergency-room
#7
REVIEW
A Zwergal, K Möhwald, M Dieterich
Vertigo and dizziness are among the most common chief complaints in the emergency department. Etiologies can be categorized into three subgroups: neurootological (vestibular), medical (especially cardiovascular, metabolic), and psychiatric disorders. The diagnostic approach in the emergency department is based on a systematic analysis of case history (type, time course of symptoms, modulating factors, associated symptoms), clinical examination of the vestibular, ocular motor, and cerebellar systems (head impulse test, nystagmus, skew deviation, positioning maneuver, test of gait and stance), as well as a basal monitoring (vital signs, 12-lead ECG, blood tests)...
May 8, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28481172/clinical-decision-making-to-address-poor-outcomes-in-persistent-horizontal-semicircular-canal-benign-paroxysmal-positional-vertigo-a-case-study
#8
Brian M Moore
BACKGROUND: Horizontal semicircular canal BPPV (HSC-BPPV) can occur in 10-30% of BPPV cases. Lower success rates are reported for HSC-BPPV. The apogeotropic form of HSC-BPPV is more difficult to treat, as 5-40% of cases are described to be refractory to repositioning maneuvers. PURPOSE: To describe the assessment and treatment of a patient presenting with HSC-BPPV and to demonstrate the potential use of Forced-Prolonged Positioning (FPP) as a home exercise program (HEP) for persistent HSC-BPPV in an elderly patient...
May 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28480516/estradiol-deficiency-is-a-risk-factor-for-idiopathic-benign-paroxysmal-positional-vertigo-in-postmenopausal-female-patients
#9
Hualan Yang, Huanhuan Gu, Wenjing Sun, Yanpeng Li, Huijuan Wu, Molorerdene Burnee, Jianhua Zhuang
OBJECTIVES/HYPOTHESIS: Although it is generally considered that benign paroxysmal positional vertigo (BPPV) is associated with changes in female sex hormone levels, no direct data have been reported until now. The purpose of this article was to provide direct data showing the distinct relationship between female sex hormone fluctuations and BPPV in postmenopausal female patients. STUDY DESIGN: Prospective analysis in humans and basic research in animals. METHODS: Blood samples were analyzed to determine the levels of estradiol, progesterone, follicle-stimulating hormone, and luteinizing hormone in 50- to 80-year-old postmenopausal female patients newly diagnosed with idiopathic BPPV based on history compatible with BPPV and positive provocative maneuvers...
May 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28476297/when-it-s-more-than-positional-vertigo-cerebellar-stroke
#10
David Warren
No abstract text is available yet for this article.
May 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28473800/central-positional-nystagmus-a-systematic-literature-review
#11
REVIEW
Nora K Macdonald, Diego Kaski, Yougan Saman, Amal Al-Shaikh Sulaiman, Amal Anwer, Doris-Eva Bamiou
OBJECTIVE: To provide a systematic review of the clinical and radiological features of lesion-induced central positional nystagmus (CPN) and identify salient characteristics that differentiate central from peripheral positional nystagmus (PN). METHODS: Systematic literature search according to the preferred reporting items for systematic reviews and meta-analysis. RESULTS: A total of 82 patients from 28 studies met the participants intervention, comparison, outcomes, and study designs criteria for inclusion...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28470420/numerical-modeling-of-the-cupular-displacement-and-motion-of-otoconia-particles-in-a-semicircular-canal
#12
Tijana Djukic, Nenad Filipovic
Balance is achieved and maintained by a balance system called a labyrinth that is composed of three semicircular canals and the otolith organs that sense linear gravity and acceleration. Within each semicircular canal, there is a gelatinous structure called the cupula, which is deformed under the influence of the surrounding endolymph. One of the balance disorders is benign paroxysmal positional vertigo, and one of the pathological conditions that have been identified as possible causes of this syndrome is canalithiasis-disturbance of the endolymph flow and cupular displacement caused by the free-moving otoconia particles within the lumen of the canal...
May 3, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28467976/increase-in-the-admission-of-stroke-mimics-after-change-in-emergency-shifts
#13
Mariana Vargas, Mariana Costa, Teresa Pinho E Melo, José M Ferro, Ana Catarina Fonseca
BACKGROUND: In 2010, changes were made to the shift pattern of neurology residents for cover in the Emergency Department at a university hospital. This resulted in a decrease in the number of emergency hours worked by neurology specialists and allowed for a natural quasi-experiment. AIM: We aimed to evaluate if changes to the number of emergency hours worked by neurology residents and specialist neurologists, (intervention) altered the number or pattern of admitted stroke mimics (SMs)...
May 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28467451/biochemical-markers-of-bone-turnover-in-benign-paroxysmal-positional-vertigo
#14
Sun Bin Lee, Chang Ho Lee, Young Ju Kim, Hyoung-Mi Kim
OBJECTIVE: Several studies have suggested a possible relationship between recurrent benign paroxysmal positional vertigo (BPPV) and altered calcium homeostasis in the endolymph of the inner ear. The present study aimed to evaluate the association between Ca2+ and vitamin D status and BPPV occurrence as well as the status of bone biochemical markers in osteoporotic patients who were diagnosed with idiopathic BPPV. METHODS: The study included total 132 patients who were referred to our clinic between August 2008 and October 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28452716/can-ck-mb-be-used-as-a-marker-in-benign-paroxysmal-positional-vertigo-attack
#15
Mümtaz Taner Torun, Yusuf Yalçın, Özalkan Özkan
OBJECTIVES: Benign paroxysmal positional vertigo (BPPV) is one of the main causes of vertigo. More than 90% of cases of positional vertigo and nystagmus can be associated with BPPV. There is no known specific laboratory test for BPPV. Because of the possible muscle activity in BPPV (especially result of nause, vomiting and increasing heart rate) we thought the CK-MB levels may change in this situation. The purpose of this study was to investigate the relation between serum CK-MB levels and BPPV and attacks...
April 19, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28446038/clinical-criteria-of-positional-vertical-nystagmus-in-vestibular-migraine
#16
Mohamed Mohamed El-Badry, Hesham Samy, Abdel Mageed Kabel, Fatma Mohamed Rafat, Hossam Sanyelbhaa
OBJECTIVES: The goal of this study was to identify key diagnostic criteria for positional vertical nystagmus caused by vestibular migraine (VM). MATERIALS AND METHODS: The study group included a case series of 13 subjects with VM (10 females and three males with age 38.6 ± 8.9 years); they were complaining of positional vertigo. They were subjected to thorough audiovestibular examination and treated with cinnarizine or topiramate Results: The entire study group demonstrated positional vertical nystagmus (eight patients had up-beating nystagmus and five patients had down-beating nystagmus)...
April 27, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28442812/ramsay-hunt-syndrome-in-a-patient-with-human-immunodeficiency-virus-infection
#17
Mrinal Gupta
Ramsay Hunt syndrome (RHS) is a rare, severe complication of varicella-zoster virus reactivation in the geniculate ganglion, characterized by hearing loss, pain, and vesicles in the ear or mouth along with ipsilateral facial palsy. Although it is rare, it is more commonly found with immunodeficiency conditions. We report a case of a 35-year-old human immunodeficiency virus positive male, having CD4+ count of 336/μl, who presented with RHS and had vertigo, painful vesicular eruptions on the right ear and unilateral sensorineural hearing loss...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28441807/-the-change-of-female-progesterone-level-and-blood-calcium-concentration-in-perimenopausal-women-with-benign-paroxysmal-positional-vertigo
#18
S F Wang, L Zhang, G H Li, W W Zhang, Y P Wang, B Geng
Objective: The estrogen level and blood calcium concentration changes were studied on menopausal women with benign paroxysmal positional vertigo (BPPV). Methods: Between January 2015 and January 2016, 70 menopause women with BPPV in outpatient clinics of Department of Otorhinolaryngology, Inner Mongolia Medical University Affiliated Hospital were included in this study as research group, while 30 menopause healthy women who came to hospital for check-up were included as control group. Serum levels of estradiol (E2), follicle stimulating hormone (FSH), luteinizing hormone (LH), progesterone (PRO), testosterone (T), serum prolactin (PRL) and the calcium concentration were analysed and comparied between research group and control group...
April 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/28436631/-video-head-impulse-test-for-evaluation-of-vestibular-function-in-patients-with-vestibular-neuritis-and-benign-paroxysmal-positional-vertigo
#19
Qiongfeng Guan, Lisan Zhang, Wenke Hong, Yi Yang, Zhaoying Chen, Dan Zhang, Xingyue Hu
Objective: To assess the clinical application of video head impulse test (vHIT) for vestibular function in vestibular neuritis (VN) and benign paroxysmal positional vertigo (BPPV) patients. Methods: Thirty-three patients with VN and 43 patients with BPPV were enrolled from Sir Run Run Shaw Hospital and Ningbo Second Hospital from March 15 to September 10, 2015; and 50 healthy controls were also enrolled in the study. vHIT was used to quantitatively test the vestibulo-ocular reflex (VOR) gains of a pair of horizontal semicircular canals...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28429295/idiopathic-benign-paroxysmal-positional-vertigo-in-the-elderly-a-long-term-follow-up-study
#20
Seong-Chul Yeo, Seong-Ki Ahn, Ho Joong Lee, Hyun-Jin Cho, Sang-Wook Kim, Seung Hoon Woo, Sea-Yuong Jeon, Yeon-Hee Joo, Dong Gu Hur, Jung Je Park
BACKGROUND: Benign paroxysmal positional vertigo (BPPV) is the most common cause of peripheral-type vertigo in the elderly. While some studies have investigated BPPV among the elderly, no study has focused on the isolated idiopathic BPPV (iBPPV) in the elderly. AIMS: To investigate the clinical features and recurrence rate in elderly patients diagnosed with iBPPV. METHODS: The authors prospectively reviewed the medical records of 627 patients diagnosed with BPPV, and a total of 370 patients fulfilled the inclusion criteria...
April 20, 2017: Aging Clinical and Experimental Research
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