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Caloric Test

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https://www.readbyqxmd.com/read/27918366/oculographic-clinical-test-of-sensory-integration-and-balance-and-computerized-dynamic-posturography-findings-in-patients-with-psoriatic-arthritis
#1
Juan Carlos Amor-Dorado, Maria P Barreira-Fernandez, Javier Llorca, Miguel A Gonzalez-Gay
OBJECTIVE: To assess the frequency and characteristics of the oculographic findings and the usefulness of the clinical test of sensory integration and balance (CTSIB) for the evaluation of balance in patients with psoriatic arthritis (PsA) by comparing this test with the computerized dynamic posturography (CDP). STUDY DESIGN: A series of consecutive patients that fulfilled the Moll and Wright criteria for PsA and matched controls were studied. SETTING: The study was performed at the Otolaryngology Division of a tertiary reference center...
December 1, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27909228/divergent-outcomes-of-fructose-consumption-on-exercise-capacity-of-rats-friend-or-foe
#2
Angela Sun, An Huang, Elizabeth Kertowidjojo, Su Song, Thomas H Hintze, Dong Sun
To test the hypothesis that high fructose (HF) consumption divergently affects exercise capability, as a function of feeding duration, rats were fed a normal (as control) or a normal caloric diet with HF for 3, 6, 10 and 30 days respectively, and run on a treadmill. Results show that running distance and work were significantly increased, associated with greater exercise oxygen consumption in rats fed HF for 3 (HF-3D) and 6 days, but were decreased in rats fed HF for 30 days (HF-30D) compared to their respective control rats...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27905190/the-diagnostic-accuracy-of-non-imaging-screening-protocols-for-vestibular-schwannoma-in-patients-with-asymmetrical-hearing-loss-and-or-unilateral-audiovestibular-dysfunction-a-diagnostic-review-and-meta-analysis
#3
M Hentschel, M Scholte, S Steens, H Kunst, M Rovers
BACKGROUND: Currently, all patients presenting with asymmetrical sensorineural hearing loss and/or unilateral audiovestibular dysfunction (i.e. tinnitus, dizziness) undergo MRI, leading to a substantial amount of MRIs with negative findings as the incidence of vestibular schwannoma (VS) in this screening population varies between 1% and 4.7% (i.e. more than 95% of MRIs are negative for VS). OBJECTIVE OF REVIEW: The aim was to assess the diagnostic accuracy of different non-imaging screening protocols that can be used prior to MRI to select patients at high risk of VS...
November 5, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27903745/inhibiting-microglia-expansion-prevents-diet-induced-hypothalamic-and-peripheral-inflammation
#4
Caroline André, Omar Guzman-Quevedo, Charlotte Rey, Julie Rémus-Borel, Samantha Clark, Ashley Castellanos-Jankiewicz, Elodie Ladeveze, Thierry Leste-Lasserre, Agnes Nadjar, Djoher Nora Abrous, Sophie Laye, Daniela Cota
Cell proliferation and neuroinflammation in the adult hypothalamus may contribute to the pathogenesis of obesity. Here we tested whether the intertwining of these two processes has a role in the metabolic changes caused by three weeks of saturated high-fat diet (HFD) consumption.As compared to chow, HFD-fed mice rapidly increased body weight and fat mass, and specifically showed increased microglia number in the arcuate nucleus (ARC) of the hypothalamus. Microglia expansion required the adequate presence of fats and carbohydrates in the diet, since feeding mice a very high-fat, very low-carbohydrate diet did not affect cell proliferation...
November 30, 2016: Diabetes
https://www.readbyqxmd.com/read/27902456/long-term-caloric-restriction-in-apoe-deficient-mice-results-in-neuroprotection-via-fgf21-induced-ampk-mtor-pathway
#5
Claire Rühlmann, Tjark Wölk, Tobias Blümel, Laura Stahn, Brigitte Vollmar, Angela Kuhla
Caloric restriction (CR) decelerates the aging process, extends lifespan and exerts neuroprotective effects in diverse species by so far unknown mechanisms. Based on known neuroprotective effects of fibroblastic growth factor 21 (Fgf21) we speculate that CR upregulates Fgf21, which phosphorylates neuronal AMP-activated protein kinase (AMPK), leading to a decrease of mammalian target of rapamycin (mTOR) signaling activity and an inhibition of tau-hyperphosphorylation. This in turn reduces the formation of neurofibrillary tangles, a neuropathological hallmark of Alzheimer´s disease...
November 29, 2016: Aging
https://www.readbyqxmd.com/read/27881670/the-effect-of-alternate-day-caloric-restriction-on-the-metabolic-consequences-of-eight-days-bed-rest-in-healthy-lean-men-a-randomized-trial
#6
Nina Majlund Harder-Lauridsen, Signe Tellerup Nielsen, Sebastian Porsdam Mann, Mark Preben Lyngbæk, Fabiana Braga Benatti, Annika Reynberg Langkilde, Ian Law, Anne-Sophie Wedell-Neergaard, Carsten Thomsen, Kirsten Moller, Kristian Karstoft, Bente Klarlund Pedersen, Rikke Krogh-Madsen
BACKGROUND: Physical activity and alternate-day fasting/caloric restriction may both ameliorate aspects of the metabolic syndrome, such as insulin resistance, visceral fat mass accumulation, and cognitive impairment, by overlapping mechanisms. OBJECTIVE: To test the hypothesis that alternate-day caloric restriction (ADCR) with overall energy balance would reduce insulin resistance and accumulation of visceral fat, in addition to improving cognitive functions, after eight consecutive days in bed...
November 23, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27878417/neurobehavioural-evaluation-of-resveratrol-in-murine-models-of-anxiety-and-schizophrenia
#7
Mohammed Garba Magaji, Loretta Oghenekome Iniaghe, Mutiat Abolarin, Opeyemi Isa Abdullahi, Rabiu Abdusalam Magaji
Resveratrol, a caloric restriction mimetic, is a naturally occurring polyphenolic compound with antioxidant and anti-inflammatory properties. Oxidative stress has been implicated in the etiology of a number of neuropsychiatric disorders including generalized anxiety and schizophrenia. This study investigated the anxiolytic and antipsychotic potentials of resveratrol in murine models of anxiety and schizophrenia. Mice were pretreated with resveratrol (200 and 400 mg/kg) in 1% carboxymethyl cellulose for 14 days and subjected to behavioural tests on the 15th day...
November 22, 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27849117/metabolic-responses-to-a-loaded-movement-training-workout
#8
Derek N Vandenbrink, Nicholas J Petrella, Eric V Neufeld, Brett A Dolezal, Daniel P Maclennan
BACKGROUND: Few studies have investigated the metabolic demands of functional exercise. We determined the oxygen cost, heart rate (HR) response, and energy expenditure (EE) both during and immediately following a loaded movement training (LMT) workout. METHODS: Ten participants (5 male, age = 23.5 ± 3.7 years, VO2peak = 53.3 ± 6.4 ml∙kg-1∙min- 1) completed baseline resting metabolic rate testing, a maximal oxygen uptake (VO2) test, and a familiarization trial...
November 16, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27832581/effect-of-nutritionally-induced-hyperlipidaemia-on-in-vitro-bovine-embryo-quality-depends-on-the-type-of-major-fatty-acid-in-the-diet
#9
Waleed F A Marei, Maria Arias Alvarez, Veerle Van Hoeck, Alfonso Gutierrez-Adan, Peter E J Bols, Jo L M R Leroy
The present study examined whether the effects of dietary-induced hyperlipidaemia on preimplantation embryo development depend on the predominant fatty acid (FA) type in the diet. In a combined in vivo-in vitro bovine model, two groups of cows (n=3 in each group) were fed with three diets consecutively (4 weeks feeding for each): (1) a maintenance control diet (CONT); (2) a high-starch diet rich in saturated fat (SAT); and (3) a high-starch diet rich in omega-3 unsaturated fat (UNSAT). Two feeding sequences were used to test for carry-over effects: Group A was fed CONT, SAT1 and then UNSAT2, whereas Group B was fed CONT, UNSAT1 and then SAT2...
November 11, 2016: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/27824052/augmentation-of-heroin-seeking-following-chronic-food-restriction-in-the-rat-differential-role-for-dopamine-transmission-in-the-nucleus-accumbens-shell-and-core
#10
Tracey M D'Cunha, Emilie Daoud, Damaris Rizzo, Audrey Bishop, Melissa Russo, Gabrielle Mourra, Laurie Hamel, Firas Sedki, Uri Shalev
Caloric restriction during drug abstinence increases the risk for relapse in addicts. In rats, chronic food restriction during a period of withdrawal following heroin self-administration augments heroin seeking. The mechanisms underlying this effect are largely unknown. Here, we investigated the role of nucleus accumbens (NAc) shell and core dopamine (DA) in food restriction-induced augmentation of heroin seeking. Rats were trained to self-administer heroin (0.1 mg/kg/infusion) for 10 days. Next, rats were moved to the animal colony for a withdrawal period, during which rats were food restricted to 90% of their original body weight (FDR group) or given unrestricted access to food (sated group)...
November 8, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27822169/the-effect-of-six-days-of-dietary-nitrate-supplementation-on-performance-in-trained-crossfit-athletes
#11
Samuel J Kramer, Daniel A Baur, Maria T Spicer, Matthew D Vukovich, Michael J Ormsbee
BACKGROUND: While it is well established that dietary nitrate reduces the metabolic cost of exercise, recent evidence suggests this effect is maintained 24 h following the final nitrate dose when plasma nitrite levels have returned to baseline. In addition, acute dietary nitrate was recently reported to enhance peak power production. Our purpose was to examine whether chronic dietary nitrate supplementation enhanced peak power 24 h following the final dose and if this impacted performance in a heavily power-dependent sport...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27812817/translabyrinthine-vestibular-neurectomy-and-simultaneous-cochlear-implant-for-m%C3%A3-ni%C3%A3-re-s-disease
#12
Pietro Canzi, Marco Manfrin, Marco Perotti, Federico Aprile, Silvia Quaglieri, Elisabetta Rebecchi, Giulia Locatelli, Marco Benazzo
BACKGROUND: Surgical management of Ménière's disease (MD) is recommended in case of medical and intratympanic treatment failures. Translabyrinthine vestibular nerve section has been considered the gold standard for denervation procedures in order to control vertigo attacks, although at the cost of sacrificing residual hearing. To the best of our knowledge, no work has been published with regard to a group of patients submitted to translabyrinthine vestibular neurectomy and simultaneous cochlear implant for MD...
November 4, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27810953/weight-gain-in-mice-on-a-high-caloric-diet-and-chronically-treated-with-omeprazole-depends-on-sex-and-genetic-background
#13
Milena Saqui-Salces, Amy C Tsao, Merritt G Gillilland, Juanita L Merchant
: The impact of omeprazole (OM), a widely used over-the-counter proton pump inhibitor, on weight gain has not been extensively explored. We examined what factors, e.g., diet composition, microbiota, genetic strain and sex, might affect weight gain in mice fed a high caloric diet while on OM. METHODS: Inbred C57BL/6J strain, a 50:50 hybrid (B6SJLF1/J) strain and mice on a highly mixed genetic background were fed four diets: standard chow (STD, 6% fat), STD with 200 ppm OM (STD+O), a high-energy chow (HiE, 11% fat) and HiE chow with OM (HiE+O) for 17 weeks...
November 3, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27806431/contact-lens-wear-is-intrinsically-inflammatory
#14
REVIEW
Nathan Efron
Eye-care practitioners typically associate ocular inflammation during contact lens wear with serious complications such as microbial keratitis; however, more subtle mechanisms may be at play. This paper tests the notion that contact lens wear is intrinsically inflammatory by exploring whether uncomplicated contact lens wear meets the classical, clinical definition of inflammation - rubor (redness), calor (heat), tumor (swelling), dolor (pain) and functio laesa (loss of function) - as well as the contemporary, sub-clinical definition of inflammation (cellular and biochemical reactions)...
November 2, 2016: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/27794156/association-between-body-mass-index-and-dental-caries-among-anganwadi-children-of-belgaum-city-india
#15
Eby Aluckal, Ksa Anzil, Mathews Baby, Eldhose K George, Sanju Lakshmanan, Shilpa Chikkanna
INTRODUCTION: Body mass index (BMI) is an index that measures height for weight, which is commonly used to categorize underweight, overweight, and obese individuals. Deviation from normal weight results from an imbalance between caloric consumption and energy expenditure. Childhood obesity and childhood dental caries are coincidental in many populations, probably due to common confounding risk factors, such as intake frequency, cariogenic diet, and poor oral hygiene. So the aim of the present study was to assess the BMI status and to corelate between dental caries and BMI among the Anganwadi children of Belgaum city, Karnataka, India...
October 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27784406/eating-decisions-based-on-alertness-levels-after-a-single-night-of-sleep-manipulation-a-randomized-clinical-trial
#16
Daniel Pardi, Matthew Buman, Jed Black, Gert Jan Lammers, Jamie M Zeitzer
STUDY OBJECTIVES: To determine the relationship between an ecologically-relevant change in sleep behavior and its subsequent effects on daytime alertness and feeding behavior. METHODS: Fifty healthy, young participants (10 male, 40 female) completed two 3-hour study sessions that were at least five days apart. The first session was a baseline evaluation. On the night prior to Session 2, the amount of time in bed was manipulated to be 60-130% of the individual's habitual sleep time...
October 20, 2016: Sleep
https://www.readbyqxmd.com/read/27749755/vestibular-function-after-cochlear-implantation-a-comparison-of-three-types-of-electrodes
#17
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...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27749752/vestibular-involvement-in-patients-with-otitis-media-with-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#18
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
https://www.readbyqxmd.com/read/27748337/characteristics-of-the-cochlear-symptoms-and-functions-in-meniere-s-disease
#19
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
https://www.readbyqxmd.com/read/27748202/does-spectacle-use-lead-to-vestibular-suppression
#20
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)...
November 2016: Journal of Laryngology and Otology
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