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Caloric Test

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https://www.readbyqxmd.com/read/28203479/metformin-impairs-spatial-memory-and-visual-acuity-in-old-male-mice
#1
Nopporn Thangthaeng, Margaret Rutledge, Jessica M Wong, Philip H Vann, Michael J Forster, Nathalie Sumien
Metformin is an oral anti-diabetic used as first-line therapy for type 2 diabetes. Because benefits of metformin extend beyond diabetes to other age-related pathology, and because its effect on gene expression profiles resembles that of caloric restriction, metformin has a potential as an anti-aging intervention and may soon be assessed as an intervention to extend healthspan. However, beneficial actions of metformin in the central nervous system have not been clearly established. The current study examined the effect of chronic oral metformin treatment on motor and cognitive function when initiated in young, middle-aged, or old male mice...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28195999/clinical-significance-of-arterial-stiffness-and-metabolic-syndrome-scores-in-vestibular-neuritis
#2
Jae Ho Chung, Seung Hwan Lee, Chul Won Park, Jin Hyeok Jeong, Jeong-Hun Shin
OBJECTIVE: To investigate the clinical significance of cardiovascular factors, including arterial stiffness and metabolic syndrome scores, in the development of vestibular neuritis. STUDY DESIGN: A prospective, case-control study. SETTING: Tertiary referral center. PATIENTS: Fifty-eight adult patients with vestibular neuritis (VN) and 58 age- and sex-matched controls were evaluated between January 2015 and January 2016...
February 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28187365/low-glycemic-load-diets-protect-against-metabolic-syndrome-and-type-2-diabetes-mellitus-in-the-male-nile-rat
#3
Julia Bolsinger, Michelle Landstrom, Andrzej Pronczuk, Andrew Auerbach, K C Hayes
BACKGROUND: Dietary modification helps prevent and manage Metabolic Syndrome (MetS) and Type 2 Diabetes Mellitus (T2DM) in humans and Nile rats. Specifically fibrous legumes, like lentils, benefit humans, but whether this reflects a specific change in the Glycemic Load (GLoad) remains controversial. Accordingly, low-GLoad foods were tested in the glucose-sensitive Nile rat. METHODS: 131 male Nile rats aged 3 weeks to 15 months were challenged during four experiments with 15 dietary exposures that varied Glycemic Index (GI, 36-88), GLoad (102-305/2000 kcal), and cumulative GLoad (Cum GLoad=days×GLoad, 181-537g total glucose)...
January 26, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28179894/vestibulo-ocular-reflex-stabilization-after-vestibular-schwannoma-surgery-a-story-told-by-saccades
#4
Angel Batuecas-Caletrio, Jorge Rey-Martinez, Gabriel Trinidad-Ruiz, Eusebi Matiño-Soler, Santiago Santa Cruz-Ruiz, Angel Muñoz-Herrera, Nicolas Perez-Fernandez
OBJECTIVE: To evaluate vestibular compensation via measurement of the vestibulo-ocular reflex (VOR) following vestibular schwannoma surgery and its relationship with changes in saccades strategy after surgery. PATIENTS: Thirty-six consecutive patients with vestibular schwannomas, without brainstem compression, underwent surgical resection. Patients were recruited from University Hospital of Salamanca, Spain. METHODS: We assessed the age, sex, tumor size, degree of canalicular weakness, and preoperative video head impulse test (gain and saccade organization measured with PR score)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28177981/high-fat-diet-alters-weight-caloric-intake-and-haloperidol-sensitivity-in-the-context-of-effort-based-responding
#5
Stephen H Robertson, Steven R Boomhower, Erin B Rasmussen
High-fat (HF) diets result in weight gain, hyperphagia, and reduced dopamine D2 signaling; however, these findings have been obtained only under free-feeding conditions. This study tested the extent to which HF diet affects effort-dependent food procurement and the extent to which dopamine signaling is involved. Male Sprague-Dawley rats consumed either a HF (n=20) or a standard-chow (n=20) diet. We assessed the sensitivity to effort-based reinforcement in 10 rats from each group by measuring consumption across a series of fixed-ratio schedules (FR 5-FR 300) under a closed economy and quantified performance using the exponential-demand equation...
February 7, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28167018/dysequilibrium-in-a-5-year-old-child-with-intrameatal-vascular-loops-bilaterally
#6
Ming-Hsun Wen, Po-Wen Cheng, Yi-Ho Young
A 5 year-old boy was rather healthy until one month ago when loss of balance and muscle tone was noted by the parents. A battery of tests comprising electroencephalography, audiometry, caloric test and ocular vestibular evoked myogenic potential (oVEMP) test were performed, yet all tests showed normal responses. Conversely, cervical VEMP (cVEMP) test showed delayed responses bilaterally. MR imaging demonstrated bilaterally intrameatal vascular loops extending into both internal auditory canals. After a 3-month medication, delayed cVEMPs were resolved and returned to normal cVEMPs bilaterally, accompanied by subsidence of dysequilibrium...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28166997/the-effects-of-cochlear-implantation-on-vestibular-function-in-1-4-years-old-children
#7
Mohammad Ajalloueyan, Masoumeh Saeedi, Mohammad Sadeghi, Farzaneh Zamiri Abdollahi
OBJECTIVES: Although cochlear implants offer an effective hearing restoration option in children with severe to profound hearing loss, concern continues to exist regarding the possible effects of cochlear implantation on the vestibular system and balance. METHODS: In a prospective cohort study, 27 children with bilateral profound hearing loss (all candidates for cochlear implantation) were evaluated for their vestibular function before and after cochlear implantation...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28163315/effects-of-topical-capsaicin-combined-with-moderate-exercise-on-insulin-resistance-body-weight-and-oxidative-stress-in-hypoestrogenic-obese-rats
#8
J M L Medina-Contreras, J Colado-Velázquez, N L Gómez-Viquez, P Mailloux-Salinas, I Perez-Torres, A Aranda-Fraustro, K Carvajal, G Bravo
BACKGROUND: Hypoestrogenic women are one of the most vulnerable groups for the development of obesity and its complications. Capsaicin and exercise have demonstrated to reduce body weight and to improve insulin sensitivity in different animal models, but it is unknown whether their combination could be useful in hypoestrogenic obese females. METHODS: We investigated whether topical capsaicin, exercise or their combination had better therapeutic effects in an obesity-hypoestrogenism model...
February 6, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28162140/the-prevalence-and-effects-of-aspiration-among-neonates-at-the-time-of-discharge
#9
Emily Karsch, Sharon Y Irving, Brandon S Aylward, William T Mahle
BACKGROUND: Neonates undergoing heart surgery for CHD are at risk for postoperative gastrointestinal complications and aspiration events. There are limited data regarding the prevalence of aspiration after neonatal cardiothoracic surgery; thus, the effects of aspiration events on this patient population are not well understood. This retrospective chart review examined the prevalence and effects of aspiration among neonates who had undergone cardiac surgery at the time of their discharge...
February 6, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28148502/intragastric-infusion-of-denatonium-benzoate-attenuates-interdigestive-gastric-motility-and-hunger-scores-in-healthy-female-volunteers
#10
Eveline Deloose, Pieter Janssen, Maura Corsetti, Jessica Biesiekierski, Imke Masuy, Alessandra Rotondo, Lukas Van Oudenhove, Inge Depoortere, Jan Tack
BACKGROUND: Denatonium benzoate (DB) has been shown to influence ongoing ingestive behavior and gut peptide secretion. OBJECTIVE: We studied how the intragastric administration of DB affects interdigestive motility, motilin and ghrelin plasma concentrations, hunger and satiety ratings, and food intake in healthy volunteers. DESIGN: Lingual bitter taste sensitivity was tested with the use of 6 concentrations of DB in 65 subjects. A placebo or 1 μmol DB/kg was given intragastrically to assess its effect on fasting gastrointestinal motility and hunger ratings, motilin and ghrelin plasma concentrations, satiety, and caloric intake...
February 1, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28145840/geographic-variation-in-use-of-vestibular-testing-among-medicare-beneficiaries
#11
Meredith E Adams, Schelomo Marmor, Bevan Yueh, Robert L Kane
Objective There is a lack of consensus regarding the indications for vestibular testing in the evaluation of dizziness and balance disorders. Geographic variation in health services utilization is associated with lack of consensus. To understand the variation in current practice, we investigated the patterns of use of vestibular testing and diagnosis codes for dizziness and balance disorders among individuals ≥65 years of age across different regions of the United States. Study Design Cross-sectional study...
February 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28129889/sarcopenia-but-not-excess-weight-or-increased-caloric-intake-is-associated-with-coronary-subclinical-atherosclerosis-in-the-very-elderly
#12
Alessandra M Campos, Filipe A Moura, Simone N Santos, Wladimir M Freitas, Andrei C Sposito
BACKGROUND AND AIMS: Excess weight is a widespread condition related to increased risk of coronary heart disease (CHD). Sarcopenia is a catabolic pathway common of the aging process and also associated with CHD. In the elderly, both changes occur concurrently and it remains unclear the relative contribution on CHD risk. We aimed to investigate whether sarcopenia, excess weight, or both are associated with subclinical atherosclerosis and/or endothelial dysfunction in very elderly individuals...
January 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28122101/simultaneous-binaural-bithermal-caloric-testing-clinical-value
#13
Robert T Sataloff, Meghan L Pavlick, James Drew McCaffrey, John M Davis, Shannon M Stewart
The aim of this retrospective review was to determine the clinical value of simultaneous binaural bithermal caloric testing (SBT) versus alternate binaural bithermal caloric testing (ABB) in the setting of a tertiary care neurotology clinic. Charts of 131 adults who had presented with otologic complaints and had undergone both SBT and ABB examinations were included in the study. The main outcome measure was the identification of peripheral hypofunction. One hundred two patients had a normal ABB caloric examination; 86 of those 102 patients (84...
January 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28109166/a-novel-dual-amylin-and-calcitonin-receptor-agonist-dacra-kbp-089-induces-weight-loss-through-a-reduction-in-fat-but-not-lean-mass-while-improving-food-preference
#14
Sofie Gydesen, Sara Toftegaard Hjuler, Zenia Freving, Kim Vietz Andreassen, Nina Sonne, Lars I Hellgren, Morten Asser Karsdal, Kim Henriksen
BACKGROUND AND PURPOSE: Obesity and associated co-morbidities, such as type 2 diabetes and non-alcoholic fatty liver disease, are major health challenges - hence, development of weight loss therapies with the ability to reduce the co-morbidities is key. EXPERIMENTAL APPROACH: The effect of the dual amylin and calcitonin receptor agonist (DACRA), KBP-089, on bodyweight, glucose homeostasis, and fatty acid accumulation in liver and muscle tissue, food preference was investigated...
January 21, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28107258/what-to-eat-and-drink-in-the-festive-season-a-pan-european-observational-cross-sectional-study
#15
Helen L Parker, Jelena Curcic, Henriette Heinrich, Matthias Sauter, Michael Hollenstein, Werner Schwizer, Edoardo Savarino, Mark Fox
BACKGROUND: Digestive discomfort after meals is common in the community, especially during the festive season. It is uncertain whether this is related to intake of either high-calorie or high-fat foods or, alternatively, intake of specific foods. This prospective, cross-sectional study tested the hypothesis that the risk of reflux or dyspepsia is associated with the fat content of the meal independent of caloric load in a 'real-life' setting. MATERIALS AND METHODS: Four festive meals were served to delegates attending a conference on four consecutive days...
January 19, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28104012/-simultaneous-triple-semicircular-canal-plugging-and-cochlear-implantation-in-advanced-meniere-s-disease
#16
D G Zhang, L Xu, Y C Han, Y F Lyu, J F Luo, Y W Li, R J Wang, Z M Fan, H B Wang
Objective: To evaluate the feasibility of combining simultaneous triple semicircular canal plugging (TSCP) and cochlear implantation (CI) to treat vertigo and hearing loss in advanced Meniere's disease(MD) patients, so as to provide an alternative surgical procedure for treating this disorder. Methods: Data from seven patients, who were referred to our hospital and diagnosed with unilateral MD strictly meeting the criteria issued by Chinese Academy of Otolaryngology-Head and Neck Surgery Committee (2006), from Jan...
January 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/28099493/different-phenotypes-of-the-two-chinese-probands-with-the-same-c-889g-a-p-c162y-mutation-in-coch-gene-verify-different-mechanisms-underlying-autosomal-dominant-nonsyndromic-deafness-9
#17
Qi Wang, Peipei Fei, Hongbo Gu, Yanmei Zhang, Xiaomei Ke, Yuhe Liu
OBJECTIVES: By analyzing the different phenotypes of two Chinese DFNA9 families with the same mutation located in the intervening region between the LCCL and vWFA domains of cochlin and testing the functional changes in the mutant cochlin, we investigated the different pathogeneses for mutations in LCCL and vWFA domains. METHODS: Targeted next-generation sequencing for deafness-related genes was used to identify the mutation in the proband in family #208. The probands of family #208 and family #32 with the same p...
2017: PloS One
https://www.readbyqxmd.com/read/28077250/role-of-video-head-impulse-test-in-lateralization-of-vestibulopathy-comparative-study-with-caloric-test
#18
Pona Park, Joo Hyun Park, Ji Soo Kim, Ja-Won Koo
OBJECTIVE: To evaluate the lateralization value of video head-impulse test (vHIT) for the diagnosis of vestibulopathy and to analyze cases showing dissociated results with caloric test. METHODS: In total, 19 healthy volunteers and 92 dizzy patients who underwent both a caloric test and a vHIT were enrolled. Patients were divided into two groups depending on their fluctuating pattern of vertigo. The vestibulo-ocular reflex (VOR) gain and gain asymmetry (GA) of a vHIT as well as unilateral weakness (UW) and the sum of the slow-phase velocities (SPVs) of warm and cold irrigation of the same side were compared...
January 8, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28067945/effect-of-a-long-term-intensive-lifestyle-intervention-on-cognitive-function-action-for-health-in-diabetes-study
#19
Stephen R Rapp, Jose A Luchsinger, Laura D Baker, George L Blackburn, Helen P Hazuda, Kathryn E Demos-McDermott, Robert W Jeffery, Jeffrey N Keller, Jeanne M McCaffery, Nicholas M Pajewski, Mary Evans, Thomas A Wadden, Steven E Arnold, Mark A Espeland
OBJECTIVES: To assess whether randomization to 10 years of lifestyle intervention to induce and maintain weight loss improves cognitive function. DESIGN: Randomized controlled clinical trial. SETTING: Data obtained as part of the Action for Health in Diabetes (Look AHEAD) trial (NCT00017953) and Look AHEAD Continuation study (U01 DK057136-15). PARTICIPANTS: Overweight and obese individuals with type 2 diabetes mellitus aged 45 to 76 (N = 3,751)...
January 9, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28067762/ecologically-valid-carbohydrate-intake-during-soccer-specific-exercise-does-not-affect-running-performance-in-a-fed-state
#20
Mark P Funnell, Nick R Dykes, Elliot J Owen, Stephen A Mears, Ian Rollo, Lewis J James
This study assessed the effect of carbohydrate intake on self-selected soccer-specific running performance. Sixteen male soccer players (age 23 ± 4 years; body mass 76.9 ± 7.2 kg; predicted VO2max = 54.2 ± 2.9 mL∙kg(-1)∙min(-1); soccer experience 13 ± 4 years) completed a progressive multistage fitness test, familiarisation trial and two experimental trials, involving a modified version of the Loughborough Intermittent Shuttle Test (LIST) to simulate a soccer match in a fed state. Subjects completed six 15 min blocks (two halves of 45 min) of intermittent shuttle running, with a 15-min half-time...
January 5, 2017: Nutrients
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