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https://www.readbyqxmd.com/read/28625432/the-lma-supreme-is-it-a-suitable-alternative-to-the-i-gel-and-lma-proseal-for-airway-maintenance-in-children
#1
EDITORIAL
Narasimhan Jagannathan, Jahn Hajduk
No abstract text is available yet for this article.
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28624639/ozone-exposure-and-flux-based-response-relationships-with-photosynthesis-leaf-morphology-and-biomass-in-two-poplar-clones
#2
Bo Shang, Zhaozhong Feng, Pin Li, Xiangyang Yuan, Yansen Xu, Vicent Calatayud
Poplar clones 546 (P. deltoides cv. '55/56'×P. deltoides cv. 'Imperial') and 107 (P. euramericana cv. '74/76') were exposed to five ozone concentrations in 15 open-top chambers (OTCs). Both ozone exposure (AOT40, Accumulation Over a Threshold hourly ozone concentration of 40ppb) and flux-based (POD7, Phytotoxic Ozone Dose above an hourly flux threshold of 7nmol O3 m(-2) PLA (projected leaf area) s(-1)) response relationships were established with photosynthesis, leaf morphology and biomass variables. Increases in both metrics showed significant negative relationships with light-saturated photosynthesis rate, chlorophyll content, leaf mass per area, actual photochemical efficiency of PSII in the light and root biomass but not with stomatal conductance (gs), leaf and stem biomass...
June 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28616613/comparison-of-the-airway-access-skills-of-prehospital-staff-in-moving-and-stationary-ambulance-simulation-a-randomized-crossover-study
#3
Onur Karaca, Basak Bayram, Nese Colak Oray, Asli Acerer, Zeynep Sofuoglu
OBJECTIVES: We aimed to compare the procedural success and intervention durations regarding various airway access skills in moving and stationary ambulance simulations. MATERIAL AND METHODS: An ambulance simulator was used to simulate the moving ambulance environment, and a standard manikin was used for airway simulation. The study included 38 paramedics and paramedic students. In stationary and moving environments, a classical endotracheal intubation with a stylet, an intubation with a gum elastic bougie (GEB), a laryngeal mask airway (LMA), and a laryngeal tube (LT) were applied randomly...
June 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28590309/comparison-of-laryngeal-mask-airway-insertion-methods-including-the-external-larynx-lift-with-pre-inflated-cuff-on-postoperative-pharyngolaryngeal-complications-a-randomised-clinical-trial
#4
Ling-Qun Hu, Olga S Leavitt, Christine Malwitz, Haisook Kim, Robert A Doty, Robert J McCarthy
BACKGROUND: Postoperative pharyngolaryngeal complications are commonly reported following laryngeal mask airway (LMA) insertion. After induction of anaesthesia, the airway structures fall backwards under the influence of gravity, and this may contribute to difficulty in placement of a LMA. External airway alignment by lifting the larynx during insertion of an airway may avoid collision of the airway with laryngeal structures. OBJECTIVE(S): To compare pharyngolaryngeal complications after either conventional airway insertion with or without cuff semi-inflation and a method, including an external larynx lift...
July 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28590065/safety-and-efficacy-of-laryngeal-mask-airway-ventilation-in-obese-patients-with-airway-stenosis
#5
D Cole Pourciau, D Peter Hotard, Schuylor Hayley, Kasey Hayley, Collin Sutton, Andrew J McWhorter, Daniel S Fink
OBJECTIVE: To assess the efficacy of laryngeal mask airway (LMA) ventilation in obese patients with airway stenosis. STUDY DESIGN: A retrospective chart review was conducted in an academic practice in a tertiary care center. METHODS: We retrospectively reviewed our experience using LMA ventilation in obese patients with airway stenosis. Lowest intraoperative O2 saturation and maximum-end tidal carbon dioxide (CO2 ) levels were recorded. Complications including intubation, unplanned admission, re-admission, postoperative pain, dysphonia, oral trauma, pneumothorax, pneumomediastinum, and tracheostomy were recorded...
June 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28585861/alternative-measures-reveal-different-but-low-estimates-of-labour-market-attachment-after-severe-traumatic-brain-injury-a-nationwide-cohort-study
#6
Lene Odgaard, Søren Paaske Johnsen, Peter William Stubbs, Asger Roer Pedersen, Jørgen Feldbæk Nielsen
OBJECTIVE: To explore if the definition of labour market attachment (LMA) changes LMA proportions after severe traumatic brain injury (TBI). DESIGN: Cohort study with 5-year follow-up. PARTICIPANTS: Patients aged 18-64 years with severe TBI from 2004 to 2012 (n = 637) and matched controls (n = 2497). METHODS: LMA was defined in three ways. All definitions included patients working with no government benefits. Definition 2 included patients receiving unemployment benefits (LMA-unemployment benefits)...
June 6, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28559376/scopolamine-impairs-appetitive-but-not-aversive-trace-conditioning-role-of-the-medial-prefrontal-cortex
#7
M A Pezze, H J Marshall, H J Cassaday
The muscarinic acetylcholine (ACh) receptor is an important modulator of medial prefrontal cortex (mPFC) functions, such as the working memory required to bridge a trace interval in associative leaning. Aversive and appetitive trace conditioning procedures were used to examine the effects of scopolamine (0.1 and 0.5 mg/kg i.p.) in male rats. Follow-up experiments tested the effects of microinfusion of 0.15 μg scopolamine (0.075 μg in 0.5 μL/side) in infralimbic (IL) versus prelimbic (PL) regions of rat mPFC, in appetitive trace and locomotor activity (LMA) procedures...
May 30, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28541538/coordinated-modifications-in-mesophyll-conductance-photosynthetic-potentials-and-leaf-nitrogen-contribute-to-explain-the-large-variation-in-foliage-net-assimilation-rates-across-quercus-ilex-provenances
#8
José Javier Peguero-Pina, Sergio Sisó, Jaume Flexas, Jeroni Galmés, Ülo Niinemets, Domingo Sancho-Knapik, Eustaquio Gil-Pelegrín
Leaf dry mass per unit area (LMA) has been suggested to negatively affect the mesophyll conductance to CO2 (gm), the most limiting factor for photosynthesis per unit leaf area (AN) in many evergreens. Several anatomical traits (i.e., greater leaf thickness and thicker cell walls) constraining gm could explain the negative scaling of gm and AN with LMA across species. However, the Mediterranean sclerophyll Quercus ilex L. shows a major within-species variation in functional traits (greater LMA associated with higher nitrogen content and AN) that might contrast the worldwide trends...
May 24, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28533766/predicting-the-hma-lma-status-in-marine-sponges-by-machine-learning
#9
Lucas Moitinho-Silva, Georg Steinert, Shaun Nielsen, Cristiane C P Hardoim, Yu-Chen Wu, Grace P McCormack, Susanna López-Legentil, Roman Marchant, Nicole Webster, Torsten Thomas, Ute Hentschel
The dichotomy between high microbial abundance (HMA) and low microbial abundance (LMA) sponges has been observed in sponge-microbe symbiosis, although the extent of this pattern remains poorly unknown. We characterized the differences between the microbiomes of HMA (n = 19) and LMA (n = 17) sponges (575 specimens) present in the Sponge Microbiome Project. HMA sponges were associated with richer and more diverse microbiomes than LMA sponges, as indicated by the comparison of alpha diversity metrics. Microbial community structures differed between HMA and LMA sponges considering Operational Taxonomic Units (OTU) abundances and across microbial taxonomic levels, from phylum to species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28526466/-comparison-of-three-different-insertion-techniques-with-lma-unique%C3%A2-in-adults-results-of-a-randomized-trial
#10
Merih Eglen, Bahar Kuvaki, Ferim Günenç, Sule Ozbilgin, Semih Küçükgüçlü, Ebru Polat, Emel Pekel
BACKGROUND: The triple airway maneuver insertion technique allowed faster insertion of the LMA. This study compared three different insertion techniques of the laryngeal mask airway-Unique™. METHODS: One hundred and eighty ASA I-II patients aged 18-65 years were included into the study. Patients were randomly allocated to the standard, rotational and triple airway maneuver (triple) group. In the standard group (n=60), the LMA (Laryngeal Mask Airway) was inserted with digital intraoral manipulation...
May 16, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28515519/desflurane-for-ambulatory-anaesthesia-a-comparison-with-sevoflurane-for-recovery-profile-and-airway-responses
#11
Kajal Sachin Dalal, Meghana Vijay Choudhary, Adit Jagdish Palsania, Pratibha Vinayak Toal
BACKGROUND AND AIMS: Desflurane and sevoflurane have low blood gas solubility co-efficients, allowing a rapid awakening from anaesthesia. However, desfluraneis pungent and may cause airway irritability. We compared desflurane and sevoflurane with respect to recovery and occurrence of adverse airway responses in spontaneously breathing patients while using the ProSeal™ laryngeal mask airway (LMA). METHODS: Ninety-four adult patients undergoing hysteroscopic procedures were divided into sevoflurane (S) group or desflurane (D) group...
April 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28504727/reduced-symmetry-lma-rod-type-fiber-for-enhanced-higher-order-mode-delocalization
#12
Z Sanjabi Eznaveh, J E Antonio-Lopez, J Anderson, A Schülzgen, R Amezcua-Correa
We present a novel design of a micro-structured large-pitch, large-mode-area (LMA) asymmetric rod-type fiber. By reducing the cladding symmetry through six high-refractive index germanium-doped silica inclusions, the fiber features strong higher-order mode (HOM) delocalization, leading to a potentially enhanced preferential gain for the fundamental mode in active fibers. In addition, high resolution spatially and spectrally (S<sup>2</sup>) resolved mode analysis measurements confirm HOM contributions below 1% and LP<sub>1m</sub>-like HOM contributions below the detection limit...
May 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28497935/the-lma-flexible-time-to-celebrate-a-unique-extraglottic-airway-device
#13
Tom C van Zundert, Davide Cattano
No abstract text is available yet for this article.
May 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28486656/canopy-gradients-in-leaf-functional-traits-for-species-that-differ-in-growth-strategies-and-shade-tolerance
#14
Adam P Coble, Marilyn L Fogel, Geoffrey G Parker
In temperate deciduous forests, vertical gradients in leaf mass per area (LMA) and area-based leaf nitrogen (Narea) are strongly controlled by gradients in light availability. While there is evidence that hydrostatic constraints on leaf development may diminish LMA and Narea responses to light, inherent differences among tree species may also influence leaf developmental and morphological response to light. We investigated vertical gradients in LMA, Narea and leaf carbon isotope composition (δ13C) for three temperate deciduous species (Carpinus caroliniana Walter, Fagus grandifolia Ehrh...
May 9, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28482318/differential-responses-of-peach-prunus-persica-seedlings-to-elevated-ozone-are-related-with-leaf-mass-per-area-antioxidant-enzymes-activity-rather-than-stomatal-conductance
#15
Lulu Dai, Pin Li, Bo Shang, Shuo Liu, Aizhen Yang, Younian Wang, Zhaozhong Feng
To evaluate the ozone (O3) sensitivity among peach tree (Prunus persica) cultivars widely planted in Beijing region and explore the possible eco-physiological response mechanisms, thirteen cultivars of peach seedlings were exposed to either charcoal-filtered air or elevated O3 (E-O3, non-filtered ambient air plus 60 ppb) for one growing season in open-top chambers. Leaf structure, stomatal structure, gas exchange and chlorophyll a fluorescence, photosynthetic pigments, antioxidant defense system and lipid peroxidation were measured in three replicated chambers...
August 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28479514/comprehensive-use-of-cardiac-computed-tomography-to-guide-left-ventricular-lead-placement-in-cardiac-resynchronization-therapy
#16
Jonathan M Behar, Ronak Rajani, Amir Pourmorteza, Rebecca Preston, Orod Razeghi, Steve Niederer, Shaumik Adhya, Simon Claridge, Tom Jackson, Ben Sieniewicz, Justin Gould, Gerry Carr-White, Reza Razavi, Elliot McVeigh, Christopher Aldo Rinaldi
BACKGROUND: Optimal lead positioning is an important determinant of cardiac resynchronization therapy (CRT) response. OBJECTIVE: The purpose of this study was to evaluate cardiac computed tomography (CT) selection of the optimal epicardial vein for left ventricular (LV) lead placement by targeting regions of late mechanical activation and avoiding myocardial scar. METHODS: Eighteen patients undergoing CRT upgrade with existing pacing systems underwent preimplant electrocardiogram-gated cardiac CT to assess wall thickness, hypoperfusion, late mechanical activation, and regions of myocardial scar by the derivation of the stretch quantifier for endocardial engraved zones (SQUEEZ) algorithm...
May 4, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28479367/math-anxiety-brain-cortical-network-changes-in-anticipation-of-doing-mathematics
#17
Manousos A Klados, Niki Pandria, Sifis Micheloyannis, Daniel Margulies, Panagiotis D Bamidis
Following our previous work regarding the involvement of math anxiety (MA) in math-oriented tasks, this study tries to explore the differences in the cerebral networks' topology between self-reported low math-anxious (LMA) and high math-anxious (HMA) individuals, during the anticipation phase prior to a mathematical related experiment. For this reason, multichannel EEG recordings were adopted, while the solution of the inverse problem was applied in a generic head model, in order to obtain the cortical signals...
May 5, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28443535/effects-of-immunocastration-and-%C3%AE-adrenergic-agonists-on-the-performance-and-carcass-traits-of-feedlot-finished-nellore-cattle
#18
D S Antonelo, M R Mazon, K E Z Nubiato, J F M Gómez, D J Brigida, R C Gomes, A S Netto, P R Leme, S L Silva
β-Adrenergic agonists (β-AA) are non-hormonal growth promoters which promote muscle hypertrophy in supplemented animals. The effects of two β-AA in combination with the immunocastration technique on the performance and carcass traits were evaluated using 96 feedlot Nellore males in a randomized complete block design with two sex conditions (immunocastrated (IC) v. non-castrated (NC)) and three treatments: CON (no β-agonists added), RH (300 mg of ractopamine hydrochloride/day, for 33 days) or ZH (80 mg of zilpaterol·hydrochloride animal/day for 30 days, removed 3 days for required withdrawal period)...
April 26, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28439442/a-prospective-randomised-clinical-trial-for-the-comparison-of-two-techniques-for-the-insertion-of-proseal-laryngeal-mask-airway-in-adults-index-finger-insertion-technique-versus-90%C3%A2-rotation-technique
#19
Pavan V Dhulkhed, Sunil V Khyadi, Parbati B Jamale, Vithal K Dhulkhed
OBJECTIVE: The 90° rotation technique for inserting the Proseal laryngeal mask airway (PLMA) is reported to be better than the standard index finger insertion technique to improve the insertion success rate. The objective of this study was to evaluate and compare the ease of insertion through the 90° rotation and standard insertion techniques in terms of number of attempts, duration of insertion and occurrence of complications. METHODS: One hundred and twenty adult patients were allocated to either a standard technique group or rotation technique group with 60 patients in each...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28439437/supraglottic-airway-devices-the-search-for-the-best-insertion-technique-or-the-time-to-change-our-point-of-view
#20
Massimiliano Sorbello, Flavia Petrini
In the crowded world of supraglottic airway devices (SADs), many papers compare the easiness of insertion based on the different endpoints of an operator's satisfaction: first pass success, ventilation effectiveness, complications and morbidity. Proseal LMA(™) (Laryngeal Mask Airway, Teleflex Medical, Dublin, Ireland) has been extensively studied because on one hand it has a steeper learning curve and more complex insertion when compared with other SADs and on the other hand many alternative techniques are available to facilitate insertion...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
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