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Caloric Test

Jonas Frodlund, Henrik Harder, Elina Mäki-Torkko, Torbjörn Ledin
OBJECTIVE: To investigate the vestibular function after cochlear implantation with different types of electrode arrays. STUDY DESIGN: Retrospective cohort study. SETTING: Academic tertiary referral center. MATERIALS AND METHODS: Forty three adults underwent first cochlear implantation. Three consecutive series of patients: Group 1 (n = 13) implanted with a precurved electrode, Group 2 (n = 15) implanted with a straight electrode, Group 3 (n = 15) implanted with a flexible electrode...
September 30, 2016: Otology & Neurotology
Yuka Morita, Kuniyuki Takahashi, Shuji Izumi, Yamato Kubota, Shinsuke Ohshima, Arata Horii
OBJECTIVE: Otitis media (OM) with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (OMAAV) is a novel concept of ear disease that is characterized by progressive mixed or sensorineural hearing loss with occasional systemic involvement. Considering the accumulating knowledge about the characteristics of and treatment for auditory dysfunction in OMAAV, the objective of this study was to investigate the vestibular function and symptoms of patients with OMAAV. STUDY DESIGN: Retrospective chart review...
September 30, 2016: Otology & Neurotology
Yi Zhang, Bo Liu, Rui Wang, Ruo Jia, Xin Gu
BACKGROUND: Meniere's disease is a unique, progressive disease of the inner ear. The complex manifestation presents diagnostic challenges. The cochlear symptoms often present before vertigo and tend to be ignored. This study aimed to analyze the characteristics of cochlear symptoms and functions associated with Meniere's disease to investigate the regularity of the development of this disorder. METHODS: One-hundred fifteen patients who were diagnosed with definite unilateral Meniere's disease at the Hearing and Vestibular Clinic of the Department of Otorhinolaryngology of Beijing Tongren Hospital from August 2013 to November 2015 were recruited in this retrospective study...
2016: Chinese Medical Journal
A Thakar
BACKGROUND: Laboratory experiments indicate that changes in retinal image size result in adaptive recalibration or suppression of the vestibulo-ocular reflex. Myopia correction with spectacles or contact lenses also leads to retinal image size changes, and may bring about similar vestibulo-ocular reflex alterations. METHODS: A hypothesis-generating preliminary investigation was conducted. In this cross-sectional study, findings of electronystagmography including bithermal caloric testing were compared between 17 volunteer myopes using spectacles or contact lenses and 17 volunteer emmetropes (with no refractive error)...
October 17, 2016: Journal of Laryngology and Otology
Constantin von Kirschbaum, Robert Gürkov
Introduction. Vestibular schwannomas (VS) are benign tumours of the vestibular nerve and can lead to hearing loss, tinnitus, vertigo, facial palsy, and brainstem compression. Audiovestibular diagnostic tests are essential for detection and treatment planning. Methods. Medline was used to perform a systematic literature review with regard to how audiovestibular test parameters correlate with symptoms, tumour size, and tumour location. Results. The auditory brainstem response can be used to diagnose retrocochlear lesions caused by VS...
2016: BioMed Research International
Natália Martinez Fernandes, Isadora Gonçalves Pelissari, Licia Assunção Cogo, Valdete Alves Valentins Dos Santos Filha
Introduction The manipulation of antineoplastic drugs presents high risk for accidents and occupational diseases. Objective To evaluate the auditory and vestibular systems of workers who are exposed to chemotherapeutic treatment in the University Hospital of Universidade Federal de Santa Maria, Brazil, and to identify the use of individual protection equipment, related to the obtained results. Methods This study is a cross-sectional study using a quantitative method. We evaluate 33 male and female workers, ranging from 21-60 years old, of the nursing and pharmacy sectors...
October 2016: International Archives of Otorhinolaryngology
Woo Seok Kang, Sang Hun Lee, Chan Joo Yang, Joong Ho Ahn, Jong Woo Chung, Hong Ju Park
Vestibular migraine (VM) is one of the most common causes of episodic vertigo. We reviewed the results of multiple vestibular function tests in a cohort of VM patients who were diagnosed with VM according to the diagnostic criteria of the Barany Society and the International Headache Society and assessed the efficacy of each for predicting the prognosis in VM patients. A retrospective chart analysis was performed on 81 VM patients at a tertiary care center from June 2014 to July 2015. Patients were assessed by the video head impulse test (vHIT), caloric test, vestibular-evoked myogenic potentials (VEMPs), and sensory organization test (SOT) at the initial visit and then evaluated for symptomatic improvement after 6 months...
2016: Frontiers in Neurology
Jorge Rey-Martinez, Leigh McGarvie, Nicolás Pérez-Fernández
CONCLUSION: The obtained simulations support the underlying hypothesis that the hydrostatic caloric drive is dissipated by local convective flow in a hydropic duct. OBJECTIVE: To develop a computerized model to simulate and predict the internal fluid thermodynamic behavior within both normal and hydropic horizontal ducts. METHODS: This study used a computational fluid dynamics software to simulate the effects of cooling and warming of two geometrical models representing normal and hydropic ducts of one semicircular horizontal canal during 120 s...
October 14, 2016: Acta Oto-laryngologica
Tatiana Moro, Grant Tinsley, Antonino Bianco, Giuseppe Marcolin, Quirico Francesco Pacelli, Giuseppe Battaglia, Antonio Palma, Paulo Gentil, Marco Neri, Antonio Paoli
BACKGROUND: Intermittent fasting (IF) is an increasingly popular dietary approach used for weight loss and overall health. While there is an increasing body of evidence demonstrating beneficial effects of IF on blood lipids and other health outcomes in the overweight and obese, limited data are available about the effect of IF in athletes. Thus, the present study sought to investigate the effects of a modified IF protocol (i.e. time-restricted feeding) during resistance training in healthy resistance-trained males...
October 13, 2016: Journal of Translational Medicine
Juraj Koska, Marlies K Ozias, James Deer, Julie Kurtz, Arline D Salbe, S Mitchell Harman, Peter D Reaven
BACKGROUND: Increased consumption of high-fat diets is associated with the development of insulin resistance and type 2 diabetes. Current models to study the mechanisms of high-fat diet-induced IR in humans are limited by their long duration or low efficacy. In the present study we developed and characterized an acute dietary model of saturated fatty acid-enriched diet induced insulin resistance. METHODS: High caloric diets enriched with saturated fatty acids (SFA) or carbohydrates (CARB) were evaluated in subjects with normal and impaired glucose tolerance (NGT or IGT)...
November 2016: Metabolism: Clinical and Experimental
Qiwen Shen, Christophe Magnani, Olivier Sterkers, Georges Lamas, Pierre-Paul Vidal, Julien Sadoun, Ian S Curthoys, Catherine de Waele
OBJECTIVE: To determine whether saccadic velocity in the suppression head impulse paradigm (SHIMP) test is a reliable indicator of vestibular loss at the acute and at the chronic stage in patients suffering from different vestibular pathologies. METHODS: Thirty-five normal subjects and 57 patients suffering from different vestibular pathologies associated with unilateral vestibular loss (UVL) or bilateral vestibular loss (BVL) were tested in the SHIMPs paradigm...
2016: Frontiers in Neurology
Sune Dandanell, Camilla Skovborg, Charlotte Boslev Præst, Kasper Bøgh Kristensen, Malene Glerup Nielsen, Sofie Lionett, Sofie Drevsholt Jørgensen, Andreas Vigelsø, Flemming Dela, Jørn Wulff Helge
OBJECTIVE: Intensive lifestyle interventions (ILI) are criticised for ineffective obesity treatment because weight loss over time is modest and thus of limited clinical relevance. However, a subgroup (5-30%) maintains a clinical weight loss >10%, but it is not clear if cardiometabolic health follows this pattern. The aim was to study the effect of different magnitudes of weight loss maintenance after ILI on cardiometabolic health. METHODS: Eighty out of 2420 former participants (age: 36±1, BMI: 38±1, (means ±SE)) in an 11-12-week ILI were recruited into 3 groups; clinical weight loss maintenance (>10% weight loss), moderate maintenance (1-10%), and weight regain based on weight loss at follow-up (5...
October 5, 2016: Obesity Research & Clinical Practice
Andriana C Kaliora, Alexander Kokkinos, Anastacia Diolintzi, Maria Stoupaki, Aristea Gioxari, Panagiotis T Kanellos, George V Z Dedoussis, Jiannis Vlachogiannakos, Constantinos Revenas, Spiros D Ladas, Vaios T Karathanos
Aiming at investigating the potential effect of minimal dietary changes in NAFLD patients with non-significant fibrosis, 55 patients with NAFLD were enrolled in a randomized controlled clinical trial. Patients were assigned into two isocaloric dietary treatment groups for 24 weeks: (a) nutritional counseling (Control arm, N = 27), (b) nutritional counseling with currants included (two fruit servings, 36 g per day), substituting snacks of similar caloric content (Currant arm, N = 28). Clinical tests, anthropometrics, inflammatory and oxidative stress markers were conducted pre- and post-intervention...
October 6, 2016: Food & Function
Richard J Sulston, Brian S Learman, Bofeng Zhang, Erica L Scheller, Sebastian D Parlee, Becky R Simon, Hiroyuki Mori, Adam J Bree, Robert J Wallace, Venkatesh Krishnan, Ormond A MacDougald, William P Cawthorn
BACKGROUND: Bone marrow adipose tissue (MAT) contributes to increased circulating adiponectin, an insulin-sensitizing hormone, during caloric restriction (CR), but whether this occurs in other contexts remains unknown. The antidiabetic thiazolidinediones (TZDs) also promote MAT expansion and hyperadiponectinemia, even without increasing adiponectin expression in white adipose tissue (WAT). OBJECTIVES: To test the hypothesis that MAT expansion contributes to TZD-associated hyperadiponectinemia, we investigated the effects of rosiglitazone, a prototypical TZD, in wild-type (WT) or Ocn-Wnt10b mice...
2016: Frontiers in Endocrinology
Ruth Schübel, Mirja E Graf, Johanna Nattenmüller, Diana Nabers, Disorn Sookthai, Laura F Gruner, Theron Johnson, Christopher L Schlett, Oyunbileg von Stackelberg, Romy Kirsten, Nina Habermann, Mario Kratz, Hans-Ulrich Kauczor, Cornelia M Ulrich, Rudolf Kaaks, Tilman Kühn
Mechanistic studies suggest benefits of intermittent calorie restriction (ICR) in chronic disease prevention that may exceed those of continuous calorie restriction (CCR), even at equal net calorie intake. Despite promising results from first trials, it remains largely unknown whether ICR-induced metabolic alterations reported from experimental studies can also be observed in humans, and whether ICR diets are practicable and effective in real life situations. Thus, we initiated the HELENA Trial to test the effects of ICR (eu-caloric diet on five days and very low energy intake on two days per week) on metabolic parameters and body composition over one year...
September 28, 2016: Contemporary Clinical Trials
Julien Feurer
OBJECTIVE: Obesity, being a world epidemic, is responsible for an increased risk of mortality and various comorbidities. The loss of weight, particularly of body fat, would lower this risk. This is why we have developed an aerobic, resistance and interval training program over a 6-week period whose main goal is to reduce body fat by 5%. MATERIAL/PATIENTS AND METHODS: We have assessed the evolution of body fat by bioelectrical impedance analysis, of [Formula: see text] by a cardiac stress test on a cycle ergometer, of leg muscular strength, of quality of life by the SF-36 health survey, in 20 sedentary, moderately to severely obese patients between the age of 18 and 70years old, before and after a 6-week training program mixing aerobic, resistance and interval training exercises for 45minutes, twice daily and 5days per week, with a food rebalancing with normocaloric diet...
September 2016: Annals of Physical and Rehabilitation Medicine
T S Nobre, R V Groehs, L F Azevedo, L M Antunes-Correa, D G Martinez, M J N N Alves, C E Negrao
It remains unknown whether or not a reduction in muscle sympathetic nerve activity in heart failure patients is associated over time with the effects of long- or short-term repeated exercise. 10 chronic heart failure patients, age 49±3 years old, functional class I-III NYHA, ejection fraction <40% were randomly submitted to either an acute bout of moderate continuous exercise OR high-intensity interval exercise. Muscle sympathetic nerve activity (microneurography) and forearm blood flow (venous occlusion plethysmography) were evaluated pre- and post-exercise sessions...
September 27, 2016: International Journal of Sports Medicine
P Attali, R Gomeni, E Wersinger, S Poli, F Venail
No abstract text is available yet for this article.
October 6, 2016: Clinical Therapeutics
Hyun Ji Kim, Dae-Young Kim, Jun Ha Hwang, Kyu-Sung Kim
Objectives: To analyze the clinical characteristics of vestibular neuritis patients with minimal canal paresis (canal paresis <25%). Methods: Patients clinically diagnosed with vestibular neuritis and treated at our institute (n=201) underwent otoneurological examination and vestibular function tests. Patients were categorized in terms of the. Results.: of caloric testing (canal paresis<25%, n=58; canal paresis≥25%, n=143). Clinical characteristics and laboratory outcomes were compared between two groups...
September 27, 2016: Clinical and Experimental Otorhinolaryngology
Evelyn G Reátegui-Zirena, Bridgette N Fidder, Christopher J Salice
Diet quality can have a strong impact on organismal fitness although diet quality is infrequently considered as a factor in toxicity tests. The purpose of this study was to assess how diets differing in nutritional content affect sensitivity to Cd as measured by several sublethal responses related directly to bioenergetics. We evaluated feeding rate, growth rate, behavior and macronutrient content in the pond snail Lymnaea stagnalis exposed to Cd and fed two different diets. Hatchlings were fed either lettuce or high-caloric pellets, and exposed to 5, 10, and 20 µg/L Cd for 12 days...
September 23, 2016: Ecotoxicology
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