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https://www.readbyqxmd.com/read/29336385/prophylaxis-of-postoperative-nausea-and-vomiting-after-cardiac-surgery-in-high-risk-patients-a-randomized-controlled-study
#1
Sébastien Champion, Laëtitia Zieger, Caroline Hemery
CONTEXT: The role of prophylaxis for postoperative nausea and vomiting (PONV) in cardiac surgery is under debate. AIMS: To study the risk factors for PONV after cardiac surgery and the role of betamethasone with or without droperidol for its prevention. SETTING AND DESIGN: Randomized open-label controlled study comparing standard care with PONV prophylaxis from February to November 2016. METHODS: Five hundred and two patients with planned nonemergent cardiac surgery were included...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29325490/allocating-less-attention-to-central-vision-during-vection-is-correlated-with-less-motion-sickness
#2
Yue Wei, Jiayue Zheng, Richard H Y So
Visually induced motion sickness (VIMS) is a common discomfort response associated with vection-provoking stimuli. It is suggested that VIMS susceptibility depends on the ability to regulate visual performance during vection. To test this, in total 29 participants, with VIMS susceptibility assessed by Motion Sickness Susceptibility Questionnaire, were recruited in three successive experiments to perform sustained attention to response tests (SARTs) while watching dot pattern stimuli known to provoke roll-vection...
January 11, 2018: Ergonomics
https://www.readbyqxmd.com/read/29307901/revisiting-the-applicability-of-adult-early-post-operative-nausea-and-vomiting-risk-factors-for-the-paediatric-patient-a-prospective-study-using-cotinine-levels-in-children-undergoing-adenotonsillectomies
#3
Destiny F Chau, Arundathi Reddy, Patrick Breheny, Anna Rebecca Young, Eric Ashford, Megan Song, Christina Zhang, Tammy Taylor, Abbas Younes, Turaj Vazifedan
Background and Aims: Post-operative vomiting (POV) in children remains a significant clinical problem. This prospective study aims to investigate the applicability of well-established adult early post-operative nausea and vomiting (PONV) risk factors on paediatric POV after adenotonsillectomies under regulated anaesthetic conditions. Methods: After Institutional Review Board approval, 213 children aged 3-10-year-old were enrolled. The participants had pre-operative questionnaires completed, followed protocolised anaesthetic plans and had saliva analysed for cotinine...
December 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29298819/reduction-of-motion-sickness-through-targeting-histamine-n-methyltransferase-in-the-dorsal-vagal-complex-of-the-brain
#4
Miao-Miao Chen, Li-Hua Xu, Li Chang, Peng Yin, Zheng-Lin Jiang
To investigate the role of histamine N-methyltransferase (HNMT) activity in the development of motion sickness (MS) in the dorsal vagal complex (DVC) to inform the development of new drugs for MS, Beagle dogs and Sprague-Dawley rats were rotated to simulate MS. HNMT expression in the brain stem and DVC was measured. The effects of systemic application of tacrine, a HNMT inhibitor, on the development of MS were observed. Moreover, we microinjected a histamine receptor H1 inhibitor, promethazine, into the DVC to verify the involvement of histaminergic neurotransmission in MS...
January 3, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29279732/electroacupuncture-could-reduce-motion-sickness-susceptibility-in-healthy-male-adults-a-double-blinded-study
#5
Ourania Fydanaki, Panagiotis Kousoulis, Efthimios Dardiotis, Ioannis Bizakis, Ioannis Hajiioannou
Objective: Motion sickness is the main cause of nausea-related symptoms during passive motion in transportation. The aim of this study was to evaluate the effects of electroacupuncture (EA) for the reduction of motion sickness symptoms. Materials and Methods: Study participants were randomly assigned into three groups: Group A, therapeutic EA; Group B, sham EA; and group C, a control group. After an EA session, participants were exposed to a motion stimulus, using a rotating chair. Their symptoms were measured using the Greek version of the Gianaros Motion Sickness Assessment Questionnaire (MSAQ)...
December 1, 2017: Medical Acupuncture
https://www.readbyqxmd.com/read/29258975/public-perceptions-regarding-use-of-virtual-reality-in-health-care-a-social-media-content-analysis-using-facebook
#6
Michelle Sophie Keller, Hannah J Park, Maria Elena Cunningham, Joshua Eleazar Fouladian, Michelle Chen, Brennan Mason Ross Spiegel
BACKGROUND: Virtual reality (VR) technology provides an immersive environment that enables users to have modified experiences of reality. VR is increasingly used to manage patients with pain, disability, obesity, neurologic dysfunction, anxiety, and depression. However, public opinion regarding the use of VR in health care has not been explored. Understanding public opinion of VR is critical to ensuring effective implementation of this emerging technology. OBJECTIVE: This study aimed to examine public opinion about health care VR using social listening, a method that allows for the exploration of unfiltered views of topics discussed on social media and online forums...
December 19, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29242088/voluntarily-induced-vomiting-a-yoga-technique-to-enhance-pulmonary-functions-in-healthy-humans
#7
Ragavendrasamy Balakrishnan, Ramesh Mavathur Nanjundaiah, Nandi Krishnamurthy Manjunath
Vomiting is a complex autonomic reflex orchestrated by several neurological centres in the brain. Vagus, the cranial nerve plays a key role in regulation of vomiting. Kunjal Kriya (Voluntarily Induced Vomiting), is a yogic cleansing technique which involves voluntarily inducing vomiting after drinking saline water (5%) on empty stomach. This study was designed with an objective to understand the effect of voluntary induced vomiting (ViV) on pulmonary functions in experienced practitioners and novices and derive its possible therapeutic applications...
December 11, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29227453/effect-of-prophylactic-medication-on-associated-dizziness-and-motion-sickness-in-migraine
#8
Seung-Han Lee, Seong-Hae Jeong, Ji-Soo Kim, Hyo-Jung Kim, Kwang-Dong Choi, Jae-Hwan Choi, Sun-Young Oh, Ji-Yun Park, Dong Uk Kim, Byung-Kun Kim
OBJECTIVE: To determine the efficacy of prophylactic medications for migraine in reducing associated dizziness and motion sickness. STUDY DESIGN: Multicenter prospective observational study. SETTING: Nationwide 9 Dizziness Clinics in South Korea. PATIENTS: One hundred thirty-eight patients who required a preventive medication for migraine accompanied by dizziness and motion sickness. INTERVENTION: At least one of the prophylactic medications was prescribed among the beta-blockers, calcium channel blockers, tricyclic antidepressants, and antiepileptic drugs...
January 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29205326/clinical-features-familial-history-and-migraine-precursors-in-patients-with-definite-vestibular-migraine-the-vm-phenotypes-projects
#9
Roberto Teggi, Bruno Colombo, Roberto Albera, Giacinto Asprella Libonati, Cristiano Balzanelli, Angel Batuecas Caletrio, Augusto Casani, Juan Manuel Espinoza-Sanchez, Paolo Gamba, Jose A Lopez-Escamez, Sergio Lucisano, Marco Mandalà, Giampiero Neri, Daniele Nuti, Rudy Pecci, Antonio Russo, Eduardo Martin-Sanz, Ricardo Sanz, Gioacchino Tedeschi, Paola Torelli, Paolo Vannucchi, Giancarlo Comi, Mario Bussi
OBJECTIVE: The aim of this work was to assess through a questionnaire the features of vertiginous episodes, accompanying symptoms, familial history, and migraine precursors in a sample of 252 subjects with a diagnosis of definite vestibular migraine. BACKGROUND: Migraine is a common neurological disorder characterized by episodic headaches with specific features. About two-thirds of cases run in families, and patients may refer symptoms occurring in infancy and childhood, defined as episodic syndromes that may be associated with migraine...
December 4, 2017: Headache
https://www.readbyqxmd.com/read/29189336/history-of-high-motion-sickness-susceptibility-predicts-vestibular-dysfunction-following-sport-recreation-related-concussion
#10
Alicia M Sufrinko, Nathan E Kegel, Anne Mucha, Michael W Collins, Anthony P Kontos
OBJECTIVE: To compare vestibular dysfunction at 1 to 10 and 11 to 20 days following sport/recreation-related concussion (SRC) in athletes with and without history of motion sickness susceptibility. Secondary aims of this study were to investigate differences in neurocognitive performance and affective symptoms in these groups. DESIGN: Cross-sectional. SETTING: Concussion Specialty Clinic. PARTICIPANTS: One hundred twenty-four adolescents and adults (82 males, 42 females) aged 14 to 26 (16...
November 20, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29183337/unconscious-physiological-response-of-healthy-volunteers-to-dynamic-respiration-synchronized-couch-motion
#11
Alexander Jöhl, Marta Bogowicz, Stefanie Ehrbar, Matthias Guckenberger, Stephan Klöck, Mirko Meboldt, Oliver Riesterer, Melanie Zeilinger, Marianne Schmid Daners, Stephanie Tanadini-Lang
BACKGROUND: Intrafractional motion can be a substantial uncertainty in precision radiotherapy. Conventionally, the target volume is expanded to account for the motion. Couch-tracking is an alternative, where the patient is moved to compensate for the tumor motion. However, the couch motion may influence the patient's stress and respiration behavior decreasing the couch-tracking effectiveness. METHODS: In total, 100 volunteers were positioned supine on a robotic couch, which moved dynamically and respiration synchronized...
November 28, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/29181555/predicting-vection-and-visually-induced-motion-sickness-based-on-spontaneous-postural-activity
#12
Stephen Palmisano, Benjamin Arcioni, Paul J Stapley
Evidence is mounting that differences in postural instability can be used to predict who will experience strong illusory self-motions (vection) and become sick when exposed to global patterns of optical flow (e.g., Apthorp et al., PLoS One 9(12):e113897, 2014; Stoffregen and Smart, Brain Res Bull 47:437-448, 1998). This study compared the predictive ability of traditional and recurrence quantification analysis (RQA) based measures of postural activity. We initially measured spontaneous fluctuations in the centre of foot pressure (CoP) of our subjects as they stood quietly with their eyes open and closed...
November 27, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29151194/highly-immersive-virtual-reality-laparoscopy-simulation-development-and-future-aspects
#13
Tobias Huber, Tom Wunderling, Markus Paschold, Hauke Lang, Werner Kneist, Christian Hansen
PURPOSE: Virtual reality (VR) applications with head-mounted displays (HMDs) have had an impact on information and multimedia technologies. The current work aimed to describe the process of developing a highly immersive VR simulation for laparoscopic surgery. METHODS: We combined a VR laparoscopy simulator (LapSim) and a VR-HMD to create a user-friendly VR simulation scenario. Continuous clinical feedback was an essential aspect of the development process. We created an artificial VR (AVR) scenario by integrating the simulator video output with VR game components of figures and equipment in an operating room...
November 18, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29142237/inner-ear-otolith-asymmetry-in-late-larval-cichlid-fish-oreochromis-mossambicus-perciformes-showing-kinetotic-behaviour-under-diminished-gravity
#14
Ralf Anken, Miriam Knie, Reinhard Hilbig
The inner ears of all vertebrates are designed to perceive auditory and vestibular inputs. Although a tremendous diversity in the inner ear can be found even among bony fishes, the morphologies of the utricle and of the semicircular canals are rather conservative among vertebrates. Fish show kinetoses under reduced gravity (spinning movements and looping responses) and are regarded model organisms concerning the performance of the otolithic organs. Otoliths can be analysed easily because they are compact, in contrast to the otoconial masses of other vertebrates...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29139207/patient-reported-outcomes-of-slow-single-arc-rotation-do-we-need-rotating-gantries
#15
Brendan Whelan, Miriam Welgampola, Leigh McGarvie, Kuldeep Makhija, Robin M Turner, Lois Holloway, Ilana Feain, Michael Jackson, Michael Barton, Paul Keall
INTRODUCTION: Patient rotation could greatly simplify radiation therapy delivery, with particularly important ramifications for fixed beam treatment with protons, heavy ions, MRI-Linacs, and low cost Linacs. Patient tolerance is often cited as a barrier to widespread implementation to patient rotation; however, no quantitative data addressing this issue exists. In this study, patient reported experiences of slow, single arc rotation in upright (sitting) and lying orientations are reported...
November 15, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29121059/effects-of-decades-of-physical-driving-on-body-movement-and-motion-sickness-during-virtual-driving
#16
Thomas A Stoffregen, Chih-Hui Chang, Fu-Chen Chen, Wei-Jhong Zeng
We investigated relations between experience driving physical automobiles and motion sickness during the driving of virtual automobiles. Middle-aged individuals drove a virtual automobile in a driving video game. Drivers were individuals who had possessed a driver's license for approximately 30 years, and who drove regularly, while non-drivers were individuals who had never held a driver's license, or who had not driven for more than 15 years. During virtual driving, we monitored movement of the head and torso...
2017: PloS One
https://www.readbyqxmd.com/read/29118373/establishing-zebrafish-as-a-model-to-study-the-anxiolytic-effects-of-scopolamine
#17
Trevor J Hamilton, Adam Morrill, Kayla Lucas, Joshua Gallup, Megan Harris, Meghan Healey, Taylor Pitman, Melike Schalomon, Shannon Digweed, Martin Tresguerres
Scopolamine (hyoscine) is a muscarinic acetylcholine receptor antagonist that has traditionally been used to treat motion sickness in humans. However, studies investigating depressed and bipolar populations have found that scopolamine is also effective at reducing depression and anxiety symptoms. The potential anxiety-reducing (anxiolytic) effects of scopolamine could have great clinical implications for humans; however, rats and mice administered scopolamine showed increased anxiety in standard behavioural tests...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29095749/genetics-of-vestibular-syndromes
#18
Pablo Roman-Naranjo, Alvaro Gallego-Martinez, Jose A Lopez Escamez
PURPOSE OF REVIEW: The increased availability of next generation sequencing has enabled a rapid progress in the discovery of genetic variants associated with vestibular disorders. We have summarized molecular genetics finding in vestibular syndromes during the last 18 months. RECENT FINDINGS: Genetic studies continue to shed light on the genetic background of vestibular disorders. Novel genes affecting brain development and otolith biogenesis have been associated with motion sickness...
February 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29081425/effect-of-visual-input-on-postural-stability-in-young-adults-with-chronic-motion-sensitivity-a-controlled-cross-sectional-study
#19
Ahmad A Alharbi, Eric G Johnson, Abdulaziz A Albalwi, Noha S Daher, Tim K Cordett, Oluwaseun I Ambode, Fahad H Alshehri
BACKGROUND: Chronic motion sensitivity (CMS) has been defined as a feeling of un-wellness elicited by either actual or perceived motion. CMS is a common condition and is more prevalent in females than in males. In addition to a variety of symptoms, young adults with CMS have less postural stability than those without CMS. OBJECTIVE: To determine whether dependence on visual cues for postural stability is different between young adults with and without CMS, and whether it differs by gender within each group...
2017: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/29064869/vision-and-vestibular-system-dysfunction-predicts-prolonged-concussion-recovery-in-children
#20
Christina L Master, Stephen R Master, Douglas J Wiebe, Eileen P Storey, Julia E Lockyer, Olivia E Podolak, Matthew F Grady
OBJECTIVE: Up to one-third of children with concussion have prolonged symptoms lasting beyond 4 weeks. Vision and vestibular dysfunction is common after concussion. It is unknown whether such dysfunction predicts prolonged recovery. We sought to determine which vision or vestibular problems predict prolonged recovery in children. DESIGN: A retrospective cohort of pediatric patients with concussion. SETTING: A subspecialty pediatric concussion program...
October 20, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
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