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https://www.readbyqxmd.com/read/28183569/gastric-regurgitation-in-patients-undergoing-gynecological-laparoscopy-with-a-laryngeal-mask-airway-a-prospective-observational-study
#1
Jeconias Lemos, Gildasio S De Oliveira, Hugo Eckner Dantas de Pereira Cardoso, Lavínia Dantas Cardoso Neiva Lemos, Lígia Raquel de Carvalho, Norma Suely Pinheiro Módolo
OBJECTIVE: The use of pneumoperitonium and the placement of patients in Trendelenburg position are commonly cited reasons for the potential development of intraoperative regurgitation of gastric contents and the need for an endotracheal tube in laparoscopic surgery. The main objective of the current investigation was to evaluate the presence of regurgitation of gastric contents in the oropharynx of patients having laparoscopic gynecological surgery with a laryngeal mask airway (LMA). DESIGN: Prospective, observational clinical investigation...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28183554/comparison-of-laryngeal-mask-airway-vs-tracheal-intubation-a-systematic-review-on-airway-complications
#2
REVIEW
Babette F van Esch, Inge Stegeman, Adriana L Smit
To determine whether the laryngeal mask airway (LMA) has advantages over the tracheal tube (TT) in terms of incidence of cough, sore throat, laryngospasm, dysphagia, dysphonia, and blood staining. This is a systematic literature review performed at the Universtity Medical Center of Utrecht. The online databases PubMed, Embase, and the Cochrane Library were searched for relevant randomized controlled trials. Two independent reviewers selected relevant articles after title, abstract, and full text screening. Articles were assessed on risk of bias in accordance with the Cochrane risk of bias tool...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28171856/the-safety-of-laryngeal-mask-airway-assisted-bronchoscopy-versus-standard-nasal-bronchoscopy
#3
Daniel Alon, Barak Pertzov, Evgeni Gershman, Miryam Frishman, Nader Abdel Rahman, Dror Rosengarten, Mordechai R Kramer
BACKGROUND: The use of laryngeal mask airway (LMA) for fiberoptic bronchoscopy was first described in 1982. The LMA was found to be beneficial in operator view, flexibility, and also in maintaining stable oxygen saturation. Despite its advantages, the use of LMA has not become widespread. OBJECTIVE: The aim of this paper was to evaluate the safety of LMA-assisted bronchoscopy compared to standard nasal bronchoscopy. METHODS: We conducted a prospective randomized trial...
February 8, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28159616/influence-of-arbuscular-mycorrhizal-stage-and-plant-age-on-the-performance-of-a-generalist-aphid
#4
Viktoria V Tomczak, Caroline Müller
Host plant quality for herbivores is modulated by different factors including symbiosis with soil organisms, such as arbuscular mycorrhiza (AM), as well as plant age. However, the role of the developmental stage of the AM in such plant-microbe-herbivore interactions has been neglected. To investigate the effects of AM stage and plant age on aphid performance, individuals of the generalist Myzus persicae were reared on leaves of non-mycorrhized (NM) or mycorrhized (AM) Plantago lanceolata plants at two time points, on young plants (with a minor established AM) and on older plants (with a well-established AM), respectively...
February 1, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28144270/a-clinical-trial-evaluating-the-laryngeal-mask-airway-supreme-in-obese-children-during-general-anesthesia
#5
Yue Tian, Xiu-Ying Wu, Lu Li, Ling Ma, Yun-Feng Li
INTRODUCTION: The laryngeal mask airway (LMA)-Supreme is a disposable double-lumen laryngeal mask airway that is widely used in clinical practice. However, its use in obese children has not been evaluated. The aim of this study was to determine whether the LMA-Supreme could perform equally as well as endotracheal intubation in obese children having a minor surgical procedure. MATERIAL AND METHODS: After ethical board approval, 100 obese male children receiving non-emergent appendectomy for chronic appendicitis or surgery to correct concealed penis were randomly divided into an endotracheal intubation group and an LMA-Supreme group...
February 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28130967/a-randomized-controlled-trial-of-the-laryngeal-mask-airway-for-surfactant-administration-in-neonates
#6
Rosilu F Barbosa, Ana C Simões E Silva, Yerkes P Silva
OBJECTIVE: To compare the short-term efficacy of surfactant administration by laryngeal mask airway (LMA) versus endotracheal tube (ETT). METHODS: Preterm infants (28-35 weeks of gestational age), weighing 1kg or more, with respiratory distress syndrome, requiring nasal continuous positive airway pressure (nCPAP), with increased respiratory effort and/or fraction of inspired oxygen (FiO2)≥0.40 to maintain oxygen saturation 91-95%, were randomized to receive surfactant by LMA following nCPAP or by ETT following mechanical ventilation (MV)...
January 25, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28129355/performance-analysis-of-inter-domain-handoff-scheme-based-on-virtual-layer-in-pmipv6-networks-for-ip-based-internet-of-things
#7
Chulhee Cho, Jae-Young Choi, Jongpil Jeong, Tai-Myoung Chung
Lately, we see that Internet of things (IoT) is introduced in medical services for global connection among patients, sensors, and all nearby things. The principal purpose of this global connection is to provide context awareness for the purpose of bringing convenience to a patient's life and more effectively implementing clinical processes. In health care, monitoring of biosignals of a patient has to be continuously performed while the patient moves inside and outside the hospital. Also, to monitor the accurate location and biosignals of the patient, appropriate mobility management is necessary to maintain connection between the patient and the hospital network...
2017: PloS One
https://www.readbyqxmd.com/read/28118362/genome-wide-association-study-for-carcass-traits-in-an-experimental-nelore-cattle-population
#8
Rafael Medeiros de Oliveira Silva, Nedenia Bonvino Stafuzza, Breno de Oliveira Fragomeni, Gregório Miguel Ferreira de Camargo, Thaís Matos Ceacero, Joslaine Noely Dos Santos Gonçalves Cyrillo, Fernando Baldi, Arione Augusti Boligon, Maria Eugênia Zerlotti Mercadante, Daniela Lino Lourenco, Ignacy Misztal, Lucia Galvão de Albuquerque
The purpose of this study was to identify genomic regions associated with carcass traits in an experimental Nelore cattle population. The studied data set contained 2,306 ultrasound records for longissimus muscle area (LMA), 1,832 for backfat thickness (BF), and 1,830 for rump fat thickness (RF). A high-density SNP panel (BovineHD BeadChip assay 700k, Illumina Inc., San Diego, CA) was used for genotyping. After genomic data quality control, 437,197 SNPs from 761 animals were available, of which 721 had phenotypes for LMA, 669 for BF, and 718 for RF...
2017: PloS One
https://www.readbyqxmd.com/read/28108038/the-effect-of-endotracheal-tubes-versus-laryngeal-mask-airways-on-perioperative-respiratory-adverse-events-in-infants-a-randomised-controlled-trial
#9
Thomas F E Drake-Brockman, Anoop Ramgolam, Guicheng Zhang, Graham L Hall, Britta S von Ungern-Sternberg
BACKGROUND: Perioperative respiratory adverse events (PRAE) are the most common critical incidents in paediatric anaesthesia and occur more often in infants. Use of laryngeal mask airways (LMAs) is associated with reduced PRAE compared with endotracheal tubes in older children (>1 year). We aimed to evaluate the effect of these devices on the incidence of PRAE in infants. METHODS: We did a randomised controlled trial at the Princess Margaret Hospital for Children in Perth (WA, Australia) by recruiting infants (aged 0-12 months) undergoing general (with or without regional or local) anaesthesia with anticipated fentanyl dose 1 μg/kg or lower for minor elective surgery...
January 17, 2017: Lancet
https://www.readbyqxmd.com/read/28100711/effects-of-structural-complexity-on-within-canopy-light-environments-and-leaf-traits-in-a-northern-mixed-deciduous-forest
#10
Alexander T Fotis, Peter S Curtis
Canopy structure influences forest productivity through its effects on the distribution of radiation and the light-induced changes in leaf physiological traits. Due to the difficulty of accessing and measuring forest canopies, few field-based studies have quantitatively linked these divergent scales of canopy functioning. The objective of our study was to investigate how canopy structure affects light profiles within a forest canopy and whether leaves of mature trees adjust morphologically and biochemically to the light environments characteristic of canopies with different structural complexity...
January 18, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28094480/anesthetic-complications-during-general-anesthesia-without-intravenous-access-in-pediatric-ophthalmologic-clinic-assessment-of-5216-cases
#11
Chun W Hung, Lauren Licina, David H Abramson, Vittoria Arslan-Carlon
BACKGROUNDː General anesthesia utilizing inhalational agents without intravenous (IV) access for minor procedures is controversial1. Eliminating IV access increases efficiency and patient satisfaction; however, the ability to introduce rapid acting medications into the circulation during an unanticipated emergency becomes challenging. The objective of this study was to examine complication risk following pediatric ophthalmologic examinations under anesthesia (EUA) without IV placement. METHODSː A retrospective review of consecutive pediatric patients who underwent EUA for retinoblastoma management was performed from 2004 to 2014...
January 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28094082/the-lma-fastrach%C3%A2-as-a-conduit-for-endotracheal-intubation-during-simulated-cardiopulmonary-resuscitation
#12
Jacek Smereka, Lukasz Szarpak, Jerzy R Ladny
No abstract text is available yet for this article.
January 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28092441/local-mode-analysis-decoding-ir-spectra-by-visualizing-molecular-details
#13
M Massarczyk, T Rudack, J Schlitter, J Kuhne, C Kötting, K Gerwert
Integration of experimental and computational approaches to investigate chemical reactions in proteins has proven to be very successful. Experimentally, time-resolved FTIR difference-spectroscopy monitors chemical reactions at atomic detail. To decode detailed structural information encoded in IR spectra, QM/MM calculations are performed. Here, we present a novel method which we call local mode analysis (LMA) for calculating IR spectra and assigning spectral IR-bands on the basis of movements of nuclei and partial charges from just a single QM/MM trajectory...
February 8, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28088553/the-influence-of-landmark-stability-on-control-by-occasion-setters
#14
REVIEW
Lauren M Cleland, Chad M Ruprecht, Ronnie V Lee, Kenneth J Leising
In an operant serial feature-positive procedure, an occasion setter (OSX) signals that a response will be reinforced in the presence of a second stimulus (e.g., a discriminative stimulus, A). During a transfer test, the OS is paired with a different discriminative stimulus. Experiment 1a tested transfer effects in a touchscreen-based spatial occasion setting task with pigeons. During training, four OSs (OSW, OSX, OSY, and OSZ) were paired on separate trials with landmark A (LMA) or B (LMB) and the opportunity for a reinforced response at one location to the immediate left (R1) or right (R2) of the LM (OSW→LMA:R1, OSX→LMA:R2, OSY→LMB:R1, OSZ→LMB:R2)...
January 11, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28078762/competence-in-the-use-of-supraglottic-airways-by-australian-surf-lifesavers-for-cardiac-arrest-ventilation-in-a-manikin
#15
Lachlan Holbery-Morgan, Cara Angel, Michelle Murphy, James Carew, Finn Douglas, Robert Murphy, Natalie Hood, Andrew Rechtman, Christopher Scarff, Nicholas Simpson, Andrew Stewardson, Daniel Steinfort, Sam Radford, Ned Douglas, Douglas Johnson
OBJECTIVES: Lifesavers in Australia are taught to use pocket mask (PM) rescue breathing and bag valve mask (BVM) ventilation, despite evidence that first responders might struggle with these devices. Novices have successfully used the Laryngeal Mask Airway (LMA) Supreme and iGel devices previously, but there has been no previous comparison of the ability to train lifesavers to use the supraglottic airways compared to standard techniques for cardiac arrest ventilation. METHODS: The study is a prospective educational intervention whereby 113 lifesavers were trained to use the LMA and iGel supraglottic airways...
February 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28072732/comparison-of-the-i-gel-and-other-supraglottic-airways-in-adult-manikin-studies-systematic-review-and-meta-analysis
#16
Jiwon An, Sang Beom Nam, Jong Seok Lee, Jinae Lee, Hanna Yoo, Hye Mi Lee, Min-Soo Kim
BACKGROUND: The i-gel has a gel-like cuff composed of thermoplastic elastomer that does not require cuff inflation. As the elimination of cuff inflation may shorten insertion time, the i-gel might be a useful tool in emergency situations requiring prompt airway care. This systematic review and meta-analysis of previous adult manikin studies for inexperienced personnel was performed to compare the i-gel with other supraglottic airways. METHODS: We searched PubMed, the Cochrane Library, and EMBASE for eligible randomized controlled trials (RCTs) published before June 2015, including with a crossover design, using the following search terms: "i-gel," "igel," "simulation," "manikin," "manikins," "mannequin," and "mannequins...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28066834/the-role-of-ventilation-mode-using-a-laryngeal-mask-airway-during-gynecological-laparoscopy-on-lung-mechanics-hemodynamic-response-and-blood-gas-analysis
#17
Mohammad Hossein Jarahzadeh, Iman Halvaei, Farshid Rahimi-Bashar, Shekoufeh Behdad, Rouhollah Abbasizadeh Nasrabady, Elahe Yasaei
BACKGROUND: There are two methods for ventilation in gynecological laparoscopy: volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV). OBJECTIVE: To compare the lung mechanics, hemodynamic response and arterial blood gas analysis and gas exchange of two modes of VCV and PCV using laryngeal mask airway (LMA) at different time intervals. MATERIALS AND METHODS: Sixty infertile women referred for diagnostic laparoscopy, based on ventilation mode, were randomly divided into two groups of VCV (tidal volume: 10 ml/kg) and PCV...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28060769/pbse-quantum-dot-based-luminescent-solar-concentrators
#18
Dennis L Waldron, Amanda Preske, Joseph M Zawodny, Todd D Krauss, Mool C Gupta
The results are presented for luminescent solar concentrators (LSCs) fabricated with poly(lauryl methacrylate-co-ethylene glycol dimethacrylate) (P(LMA-co-EGDMA)) and Angstrom Bond, Inc. AB9093 acrylic epoxy matrix, high quantum yield (> 70%) PbSe quantum dots (QDs) and silicon photovoltaic (Si PV) cells. LSCs were tested under a lamp with broadband illumination, photon flux-matched to a standard solar spectrum and verified under a calibrated solar lamp source. The P(LMA-co-EGDMA) sample demonstrated the highest power conversion efficiency of any known LSC fabricated with either QDs or Si PV cells, 4...
January 6, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28058722/cell-level-anatomical-characteristics-explain-high-mesophyll-conductance-and-photosynthetic-capacity-in-sclerophyllous-mediterranean-oaks
#19
José Javier Peguero-Pina, Sergio Sisó, Jaume Flexas, Jeroni Galmés, Ana García-Nogales, Ülo Niinemets, Domingo Sancho-Knapik, Miguel Ángel Saz, Eustaquio Gil-Pelegrín
Leaf mass per area (LMA) has been suggested to negatively affect the mesophyll conductance to CO2 (gm ), which is the most limiting factor for area-based photosynthesis (AN ) in many Mediterranean sclerophyll species. However, despite their high LMA, these species have similar AN to plants from other biomes. Variations in other leaf anatomical traits, such as mesophyll and chloroplast surface area exposed to intercellular air space (Sm /S and Sc /S), may offset the restrictions imposed by high LMA in gm and AN in these species...
January 6, 2017: New Phytologist
https://www.readbyqxmd.com/read/28050480/comparison-of-dexmedetomidine-propofol-versus-fentanyl-propofol-on-insertion-conditions-of-proseal-laryngeal-mask-airway
#20
Shalaka Sandeep Nellore, Abhijeet Dattatray Waychal, Preeti Sachin Rustagi
INTRODUCTION: Proseal Laryngeal Mask Airway (PLMA) is a newer supraglottic airway device that requires adequate depth of anaesthesia and suppression of upper airway reflexes thereby providing optimal insertion conditions. AIM: To compare dexmedetomidine and fentanyl for co-induction with propofol with respect to PLMA insertion conditions, haemodynamic variation and the total dose requirement of propofol. MATERIALS AND METHODS: This was a prospective randomized double-blinded study conducted in 60 cases of American Society of Anaesthesiologists (ASA) class I/II undergoing elective surgery under general anaesthesia...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
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