نتایج جستجو برای: caloric tests

تعداد نتایج: 343784  

2013
Shuang Shen Yingxi Liu Xiuzhen Sun Wei Zhao Yingfeng Su Shen Yu Wenlong Liu

Whether two vertical semicircular canals can receive thermal stimuli remains controversial. This study examined the caloric response in the three semicircular canals to the clinical hot caloric test using the finite element method. The results of the developed model showed the horizontal canal (HC) cupula maximally deflected to the utricle side by approximately 3 μm during the hot supine test. ...

Journal: :Hearing research 2005
Ting-Hua Yang Yi-Ho Young

The aim of this study was to establish an animal model of acoustically evoked vestibulo-collic reflex using guinea pigs. A special clamp was applied to restrain the head and body of the guinea pigs, but leaving its four legs free. Each animal underwent vestibular evoked myogenic potential (VEMP) and caloric tests using clip electrode method without general anesthesia or decerebrate surgery. The...

2011
Guy EJ Faulkner Paul Grootendorst Van Hai Nguyen Tatiana Andreyeva Kelly Arbour-Nicitopoulos M Christopher Auld Sean B Cash John Cawley Peter Donnelly Adam Drewnowski Laurette Dubé Roberta Ferrence Ian Janssen Jeffrey LaFrance Darius Lakdawalla Rena Mendelsen Lisa M Powell W Bruce Traill Frank Windmeijer

BACKGROUND Comprehensive, multi-level approaches are required to address obesity. One important target for intervention is the economic domain. The purpose of this study was to synthesize existing evidence regarding the impact of economic policies targeting obesity and its causal behaviours (diet, physical activity), and to make specific recommendations for the Canadian context. METHODS Arkse...

2011
Arthur Ian Mallinson

Eighteen patients were evaluated for dizziness and imbalance resulting from whiplash associated disorder. Assessment consisted of standard caloric testing and Computerized Dynamic Posturography (CDP). Although the standard vestibular tests showed no abnormalities in any of these patients, thirteen of them had abnormalities on CDP. The concept of dizziness is variously attributed to problems fro...

Journal: :International journal of occupational medicine and environmental health 2012
Piotr Pietkiewicz Renata Pepaś Wiesław J Sułkowski Hanna Zielińska-Bliźniewska Jurek Olszewski

OBJECTIVES Vertigo is a very common symptom mainly caused by the lesion of vestibular system (peripheral or central) and often accompanied by some work-related diseases and occupational intoxications. The aim of this study was to assess the value of electronystagmography (ENG) and videonystagmography (VNG) for diagnosing vertigo of various origin. MATERIALS AND METHODS The study included four...

2015
Mallinson

In 1906 Robert Barany published his original research on the caloric test and his convection theory to explain the direction of nystagmus. Subsequent publications by others suggested different explanations, including the effect of temperature on the vestibular nerves, pressure changes in the ampulla related to temperature expansion, but also the possibility of otolith modulation of the response...

Journal: :Brazilian journal of otorhinolaryngology 2008
Jackeline Martins Bassetto Bianca Simone Zeigelboim Ari Leon Jurkiewicz Karlin Fabianne Klagenberg

UNLABELLED The number of elderly people is increasing considerably in our settings, and with that we have a matching increase in chronic-degenerative diseases - such as Parkinson's Disease (PD), which has balance-related symptoms associated and is increasingly more prevalent in the elderly population. AIM Study labyrinth exams in PD patients and associate them with vestibular disorders. STU...

Journal: :BMJ 1999
D T Wade C Johnston

Patients who survive catastrophic brain damage may be left permanently unaware—in the permanent vegetative state. Many doctors are likely to manage these patients at some point in their career. The diagnosis has been the subject of reports prepared by official bodies. It has been defined as “a clinical condition of unawareness of self and environment in which the patient breathes spontaneously,...

Journal: :Current opinion in neurology 2007
Floris L Wuyts Joseph Furman Robby Vanspauwen Paul Van de Heyning

PURPOSE OF REVIEW This review provides an overview of vestibular function testing and highlights the new techniques that have emerged during the past 5 years. RECENT FINDINGS Since the introduction of video-oculography as an alternative to electro-oculography for the assessment of vestibular-induced eye movements, the investigation of the utricle has become a part of vestibular function testi...

Journal: :Appetite 2010
Joanna E Steinglass Robyn Sysko Laurel Mayer Laura A Berner Janet Schebendach Yuanjia Wang Huaihou Chen Anne Marie Albano H Blair Simpson B Timothy Walsh

Anorexia nervosa (AN) is a serious mental illness characterized by reduced caloric intake that often persists after acute weight restoration. This preliminary study assesses the relationship between pre-meal anxiety and food intake in recently weight-restored individuals with AN. We hypothesized that pre-meal anxiety is inversely related to caloric intake in AN. Caloric intake and pre-meal anxi...

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