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https://www.readbyqxmd.com/read/28928564/comparison-of-i-gel%C3%A2-and-laryngeal-mask-airway-supreme%C3%A2-in-different-head-and-neck-positions-in-spontaneously-breathing-pediatric-population
#1
Swati Gupta, Neelam Dogra, Kanchan Chauhan
BACKGROUND: Although the advantages of ventilation with i-gel™ and laryngeal mask airway Supreme (LMA-Supreme™) has been well documented, they are still under debate for surgeries requiring flexion and extension of neck such as thyroid surgery, tonsillectomy, and neck exploration. Hence, we conducted a study to demonstrate the effect of neck flexion and extension in spontaneously breathing anesthetized pediatric patients utilizing i-gel™ and LMA-Supreme™. METHODS: A prospective, randomized comparative study was conducted on sixty children, thirty each in i-gel™ and LMA-Supreme™ group...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28928475/isolation-of-the-antibiotic-methyl-r-e-3-1-hydroxy-4-oxocyclopent-2-en-1-yl-acrylate-ea-2801-from-trichoderma-atroviridae
#2
Emilie Adelin, Géraldine Le Goff, Pascal Retailleau, Mercedes Bonfill, Jamal Ouazzani
The endophytic Trichoderma atroviridae UB-LMA was isolated as a symbiont of Taxus baccata and analyzed for its antimicrobial activity. By applying an original approach consisting of solid-state cultivation coupled with solid-phase extraction, a new methyl (R,E)-3-(1-hydroxy-4-oxocyclopent-2-en-1-yl)-acrylate derivative named EA-2801 (1) was isolated together with the previously reported isonitrin A and dermadin methyl ester. The chemical structure of 1 was determined by NMR and MS. Compound 1 showed antimicrobial activity against a panel of Gram-positive and -negative bacteria...
September 20, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28927630/sustainable-thermoplastic-elastomers-derived-from-cellulose-fatty-acid-and-furfural-via-atrp-and-click-chemistry
#3
Juan Yu, Chuanwei Lu, Chunpeng Wang, Jifu Wang, Yimin Fan, Fuxiang Chu
Cellulose-based thermoplastic elastomers (TPEs) have attracted considerable attention because of their rigid backbone, good mechanical properties, renewable nature and abundance. In the present study, sustainable TPEs based on ethyl cellulose (EC), fatty acid and furfural were generated by the combination of ATRP and "click chemistry". To fabricate sustainable TPEs with higher toughness, a range of polymers, including mono random-copolymer poly(tetrahydrofurfuryl methacrylate-co-lauryl methacrylate) (P(THFMA-co-LMA), dual polymer side chains PTHFMA and PLMA, and mono-block copolymer PTHFMA-b-PLMA, were designed as side chains to fabricate EC brush copolymers with random, dual or block side chain architectures using the "grafting from" and "grafting onto" methods...
November 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28926001/ketamine-differential-neurophysiological-dynamics-in-functional-networks-in-the-rat-brain
#4
A Ahnaou, H Huysmans, R Biermans, N V Manyakov, W H I M Drinkenburg
Recently, the N-methyl-d-aspartate-receptor (NMDAR) antagonist ketamine has emerged as a fast-onset mechanism to achieve antidepressant activity, whereas its psychomimetic, dissociative and amnestic effects have been well documented to pharmacologically model schizophrenia features in rodents. Sleep-wake architecture, neuronal oscillations and network connectivity are key mechanisms supporting brain plasticity and cognition, which are disrupted in mood disorders such as depression and schizophrenia. In rats, we investigated the dynamic effects of acute and chronic subcutaneous administration of ketamine (2...
September 19, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28922555/laser-micro-ablation-of-fibrocartilage-tissue-effects-of-tissue-processing-on-porosity-modification-and-mechanics
#5
A M Matuska, P S McFetridge
The temporomandibular joint disk (TMJd) is an extremely dense and avascular fibrocartilaginous extracellular matrix (ECM) resulting in a limited regenerative capacity. The use of decellularized TMJd as a biocompatible scaffold to guide tissue regeneration is restricted by innate subcellular porosity of the ECM that hinders cellular infiltration and regenerative events. Incorporation of an artificial microporosity through laser micro-ablation (LMA) can alleviate these cell and diffusion based limitations. In this study, LMA was performed either before or after decellularization to assess to effect of surfactant treatment on porosity modification as well as the resultant mechanical and physical scaffold properties...
September 18, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28915102/acceleration-selective-arterial-spin-labeling-mr-angiography-used-to-visualize-distal-cerebral-arteries-and-collateral-vessels-in-moyamoya-disease
#6
Osamu Togao, Akio Hiwatashi, Makoto Obara, Koji Yamashita, Kazufumi Kikuchi, Ryotaro Kamei, Ataru Nishimura, Koichi Arimura, Koji Yoshimoto, Koji Iihara, Marc Van Cauteren, Hiroshi Honda
Purpose To evaluate and compare the performance of acceleration-selective arterial spin labeling (AccASL) magnetic resonance (MR) angiography in the visualization of cerebral arteries and collateral vessels in patients with Moyamoya disease with that of time-of-flight (TOF) MR angiography, with digital subtraction angiography (DSA) as the reference standard. Materials and Methods Thirty-six cerebral hemispheres from 22 patients with Moyamoya disease underwent TOF and AccASL MR angiography and DSA. Qualitative evaluations included imaging of the terminal internal carotid artery (ICA), distal middle cerebral arteries (MCAs), Moyamoya vessels, and leptomeningeal anastomosis (LMA) collaterals with reference to DSA...
September 15, 2017: Radiology
https://www.readbyqxmd.com/read/28912163/neonatal-resuscitation-using-a-laryngeal-mask-airway-a-randomised-trial-in-uganda
#7
Nicolas J Pejovic, Daniele Trevisanuto, Clare Lubulwa, Susanna Myrnerts Höök, Francesco Cavallin, Josaphat Byamugisha, Jolly Nankunda, Thorkild Tylleskär
OBJECTIVE: Mortality rates from birth asphyxia in low-income countries remain high. Face mask ventilation (FMV) performed by midwives is the usual method of resuscitating neonates in such settings but may not always be effective. The i-gel is a cuffless laryngeal mask airway (LMA) that could enhance neonatal resuscitation performance. We aimed to compare LMA and face mask (FM) during neonatal resuscitation in a low-resource setting. SETTING: Mulago National Referral Hospital, Kampala, Uganda...
September 14, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28900253/leaf-thermotolerance-in-tropical-trees-from-a-seasonally-dry-climate-varies-along-the-slow-fast-resource-acquisition-spectrum
#8
Aniruddh Sastry, Deepak Barua
Knowledge of the upper limits of temperature tolerance is essential to understand how tropical trees will respond to global warming. We quantified leaf thermotolerance in 41 tree species growing in a seasonally dry tropical region of the Indian subcontinent to examine: (1) differences between evergreen and deciduous species; (2) relationships with leaf mass per area (LMA) and leaf size; and, (3) seasonal variation in thermotolerance. Thermotolerance ranged from 45.5 °C to 50.5 °C among species, was higher for evergreen than deciduous species, and was negatively related to a continuous estimate of deciduousness...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893011/entropy-as-an-indicator-to-measure-depth-of-anaesthesia-for-laryngeal-mask-airway-lma-insertion-during-sevoflurane-and-propofol-anaesthesia
#9
Saranjit Singh, Sapna Bansal, Garima Kumar, Isha Gupta, J R Thakur
INTRODUCTION: Assessment of the depth of anaesthesia is fundamental to the anaesthetic practice. Entropy measurement is an objective monitoring and is of two types- Response Entropy (RE) and State Entropy (SE) indicating analgesic and hypnotic levels during general anaesthesia. AIM: The aim of our study was to assess the depth of anaesthesia for LMA placement using entropy as a tool. The assessment of entropy as an indicator of depth of anaesthesia in the form of haemodynamic variations and success rate of LMA placement...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28890622/rare-condition-of-dens-invaginatus-in-a-maxillary-primary-molar-and-a-birooted-maxillary-primary-canine-diagnosed-during-routine-examination
#10
Eliana Costa Barbosa Brandão, Apoena Aguiar Ribeiro, Luciane Monte Alto Seabra
Congenital morphological dental alterations are related to the physiological phase of tooth development. Since the etiology of the dens invaginatus and supernumerary roots has yet to be fully determined, a rare presentation of dens invaginatus in a primary molar and a birooted deciduous maxillary canine were incidentally detected in routine radiographic examinations. Essential clinical considerations and treatment options are presented. CLINICAL SIGNIFICANCE: This study highlights the importance of a deep and comprehensive anamnesis and clinical examination, with radiographs taken when necessary...
April 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28890564/laryngeal-mask-airway-protector%C3%A2-advanced-uses-for-laparoscopic-cholecystectomies
#11
Leng Zoo Tan, Daryl Jian'An Tan, Edwin Seet
The laryngeal mask airway (LMA) Protector™ is a second-generation perilaryngeal sealer type supraglottic airway device recently introduced into clinical practice. We describe our initial experiences with the use of the LMA Protector™ in three patients undergoing laparoscopic cholecystectomies. In all patients, we found the LMA Protector™ to have acceptable placements on the first attempt, adequate oropharyngeal leak pressures and ventilation adequacy.
August 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28879330/flexible-laryngeal-mask-airway-management-for-dental-treatment-cases-associated-with-difficult-intubation
#12
Masanori Tsukamoto, Takashi Hitosugi, Takeshi Yokoyama
Nasotracheal intubation is generally a useful maxillofacial surgery that provides good surgical access for intraoral procedures. When nasotracheal intubation is difficult, laryngeal mask airway (LMA) insertion can be performed, and the flexible LMA™ (FLMA) is also useful for anesthetic management. However, the FLMA provides limited access to the mouth, which restricts the insertion of instrumentation and confines the surgical field available. Here, we present our experience using the FLMA airway management for dental treatment cases involving difficulty with intubation...
March 2017: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28874304/effect-of-cricoid-pressure-on-the-insertion-efficacy-of-six-supraglottic-devices-a-crossover-randomized-simulation-trial
#13
Fumihiro Ohchi, Nobuyasu Komasawa, Ryosuke Mihara, Kazuo Hattori, Toshiaki Minami
BACKGROUND: No study has ever compared the efficacy of various types of supraglottic devices (SGDs) for securing the airway under cricoid pressure. OBJECTIVE: This study aimed to evaluate the efficacy of six SGDs, LMA-ProSeal (ProSeal), LMA-Classic (Classic), Laryngeal Tube (LT), LMA-Supreme (Supreme), air-Q (air-Q), and i-gel (i-gel), in airway management under cricoid pressure using a manikin. METHODS: Fifteen novice doctors and 16 experienced doctors used the six SGDs under cricoid or sham pressure on an adult manikin...
September 2, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28870834/prevalence-of-preventive-cardiovascular-medication-use-in-nursing-home-residents-room-for-deprescribing-the-shelter-study
#14
Alireza Malek Makan, Hein van Hout, Graziano Onder, Harriet Finne-Soveri, Henriëtte van der Roest, Rob van Marum
INTRODUCTION: In nursing home (NH) residents with a very short life expectancy, the benefits of preventive cardiovascular medication maintenance are questionable. OBJECTIVE: To assess the prevalence of 4 classes of preventive cardiovascular medication (PCM) in NH residents, and to explore differences of prevalence across length of stay, mortality risk, cognitive impairment, functional disability, and across countries. METHODS: A 12-month prospective cohort study was conducted in 57 NHs in 8 countries (Czech Republic, England, Finland, France, Germany, Italy, The Netherlands, and Israel)...
September 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28870163/comparison-of-the-supreme%C3%A2-and-proseal%C3%A2-laryngeal-mask-airways-in-infants-a-prospective-randomised-clinical-study
#15
Sibel Oba, Hacer Sebnem Turk, Canan Tulay Isil, Huseyin Erdogan, Pinar Sayin, Ali Ihsan Dokucu
BACKGROUND: The Supreme™ and ProSeal™ laryngeal mask airways (LMAs) are widely used in paediatric anaesthesia; however, LMA use in infants is limited because many anaesthesiologists prefer to use tracheal intubation in infants. In this study, we compared the Supreme and ProSeal LMAs in infants by measuring their performance characteristics, including insertion features, ventilation parameters, induced changes in haemodynamics and rates of postoperative complications. METHODS: Infants of ASA physical status I scheduled for elective, minor, lower abdominal surgery were divided into two groups: the Supreme LMA group and the ProSeal LMA group...
September 5, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28865833/teeth-with-mild-and-moderate-enamel-fluorosis-demonstrate-increased-caries-susceptibility-in%C3%A2-vitro
#16
E Angeles Martinez-Mier, Frank Lippert
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Higher fluorosis severity makes enamel less resistant to demineralization. Marín LM, Cury JA, Tenuta LMA, Castellanos JE, Martignon S. Caries Res 2016; 50:407-13. SOURCE OF FUNDING: Government: COLCIENCIAS (grant No. 2012-442) and foundations: FUNCAMP (Conv 4252) TYPE OF STUDY/DESIGN: In vitro study.
September 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/28865448/pediatric-supraglottic-airway-devices-in-clinical-practice-a-prospective-observational-study
#17
Maren Kleine-Brueggeney, Anne Gottfried, Sabine Nabecker, Robert Greif, Malte Book, Lorenz Theiler
BACKGROUND: Supraglottic airway devices (SGA) are commonly used in pediatric anesthesia and serve as primary or back-up devices for difficult airway management. Most SGA are marketed without proper clinical evaluation. The purpose of this study was to evaluate the performance of the pediatric LMA Supreme™, Air-Q® and Ambu® Aura-i™. METHODS: This prospective observational study was performed at Bern University Hospital, Switzerland. With ethics committee approval and a waiver for written informed consent 240 children undergoing elective surgery with an ASA class I-III and a weight of 5-30 kg were included...
September 2, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28857785/comparison-of-the-laryngeal-mask-airway-supreme-and-the-i-gel-in-paralysed-elderly-patients-a-randomised-controlled-trial
#18
Myoung H Kim, Jae H Lee, Yong S Choi, Sujung Park, Seokyung Shin
BACKGROUND: The laryngeal mask airway supreme (LMA-S) and i-gel are both popular second-generation supraglottic airway devices that have been widely studied in surgical patients, but their differences in clinical performance in the elderly are not clear. OBJECTIVE: We compared the efficacy and safety of the LMA-S and i-gel in anaesthetised and paralysed elderly patients. DESIGN: A prospective, randomised and parallel study. SETTING: Single-centre trial, study period January 2014 from to October 2016...
August 28, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28833308/the-underlying-structure-of-visuospatial-working-memory-in-children-with-mathematical-learning-disability
#19
Irene C Mammarella, Sara Caviola, David Giofrè, Dénes Szűcs
This study examined visual, spatial-sequential, and spatial-simultaneous working memory (WM) performance in children with mathematical learning disability (MLD) and low mathematics achievement (LMA) compared with typically developing (TD) children. Groups were matched on reading decoding performance and verbal intelligence. Besides statistical significance testing, we used bootstrap confidence interval estimation and computed effect sizes. Children were individually tested with six computerized tasks, two for each visuospatial WM subcomponent...
August 18, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/28807282/age-of-haemonchus-contortus-third-stage-infective-larvae-is-a-factor-influencing-the-in-vitro-assessment-of-anthelmintic-properties-of-tannin-containing-plant-extracts
#20
G S Castañeda-Ramírez, C Mathieu, G Vilarem, H Hoste, P Mendoza-de-Gives, P G González-Pech, J F J Torres-Acosta, C A Sandoval-Castro
The larval exsheathment inhibition assay (LEIA) of infective larvae (L3) is an in vitro method used to evaluate the anthelmintic (AH) activity of tannin-containing plant extracts against different species of gastrointestinal nematodes, including Haemonchus contortus. Some conditions remain to be defined in order to standardize the LEIA, i.e. the optimal age of larvae produced from donor animals to use in the assays. Therefore, this study aimed at identifying the effect of age and age-related vitality of H. contortus infective larvae produced under tropical conditions, on the in vitro AH activity measured with the LEIA...
August 30, 2017: Veterinary Parasitology
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