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Umberto Melia, Eva Gabarron, Mercé Agustí, Nuria Souto, Patricia Pineda, Joan Fontanet, Montserrat Vallverdu, Erik Weber Jensen, Pedro Gambus
The objective of this work is to compare the performances of two electroencephalogram based indices for detecting loss of consciousness and loss of response to nociceptive stimulation. Specifically, their behaviour after drug induction and during recovery of consciousness was pointed out. Data was recorded from 140 patients scheduled for general anaesthesia with a combination of propofol and remifentanil. The qCON 2000 monitor (Quantium Medical, Barcelona, Spain) was used to calculate the qCON and qNOX. Loss of response to verbal command and loss of eye-lash reflex were assessed during the transition from awake to anesthetized, defining the state of loss of consciousness...
October 20, 2016: Journal of Clinical Monitoring and Computing
Joël L'Hermite, Elisabeth Dubout, Sophie Bouvet, Laure-Hélène Bracoud, Philippe Cuvillon, Jean-Emmanuel de La Coussaye, Jacques Ripart
BACKGROUND: Sore throat is a common complaint after surgery. It affects patient satisfaction and can affect activity after discharge. The supraglottic airway device (SAD) offers an alternative to traditional tracheal intubation with potential benefit in preventing sore throat. OBJECTIVE: The aim of this study was to compare the incidence of sore throat following three different SADs, the laryngeal mask airway Unique (LMA-U) and the more recent LMA Supreme (LMA-S) and the I-gel...
October 15, 2016: European Journal of Anaesthesiology
Young Yong Kim, Gu Hyun Kang, Won Hee Kim, Hyun Young Choi, Yong Soo Jang, Young Jae Lee, Jae Guk Kim, Hyeongtae Kim, Gyoung Yong Kim
OBJECTIVE: This study aimed to compare intubation performance between blind intubation through supraglottic airway devices and direct laryngoscopy by novices under manikin simulation. We hypothesized that the intubation time by novices using supraglottic airway devices was superior to that with the Macintosh laryngoscope (MCL). METHODS: A prospective, randomized crossover study was conducted with 95 participants, to evaluate i-gel, air-Q, LMA Fastrach, and MCL devices...
June 2016: Clin Exp Emerg Med
Shruti Jain, Nazia Nazir, Rashid M Khan, Syed M Ahmed
INTRODUCTION: Extubation in deep plane of anesthesia followed by Guedel's oropharyngeal airway (OPA™) insertion is a routine method to avoid hemodynamic changes associated with tracheal extubation. Exchange of endotracheal tube (ETT) with Classic laryngeal mask airway (LMA™) prior to emergence from anesthesia also serves similar purpose. We had compared the hemodynamic changes involved during this ETT/LMA™ and ETT/OPA™ exchange technique. MATERIAL AND METHODS: This was a randomized prospective study on ASA I and 2 patients undergoing elective surgery under general anesthesia...
September 2016: Anesthesia, Essays and Researches
N Pratheeba, G S Ramya, R V Ranjan, R Remadevi
CONTEXT: Laryngeal mask airway (LMA) Classic™ has an inflatable cuff while i-gel™ has a noninflatable cuff made of thermoplastic elastomer. AIMS: To compare ease of insertion, number, and duration of insertion attempts among the two device. Secondary objectives were to evaluate the hemodynamic response and SpO2 during device insertion and during maintenance of general anesthesia. SETTINGS AND DESIGN: This study was conducted as randomized observational study in a teaching hospital...
September 2016: Anesthesia, Essays and Researches
Trina Sengupta, Ashok Kumar Jaryal, Hruda Nanda Mallick
Glutamate when microinjected at the medial preoptic area (mPOA) influences brain temperature (Tbr) and body temperature (Tb) in rats. Glutamate and its various receptors are present at the mPOA. The aim of this study was to identify the contribution of each of the ionotropic glutamatergic receptors at the mPOA on changes in Tbr and Tb in freely moving rats. Adult male Wistar rats (n=40) were implanted with bilateral guide cannula with indwelling styli above the mPOA. A telemetric transmitter was implanted at the peritoneum to record Tb and locomotor activity (LMA)...
October 2016: Journal of Thermal Biology
Kaicheng Song, Jie Yi, Wei Liu, Shuang Huang, Yuguang Huang
STUDY OBJECTIVE: We sought to validate ultrasound against other established methods of confirming laryngeal mask airway (LMA) placement. DESIGN: An observational study. SETTING: A university teaching hospital, operating department. PATIENTS: Fifty-eight patients undergoing general anesthesia using an LMA Supreme supraglottic airway device. INTERVENTIONS: The position of the LMA was assessed by ultrasound in 3 planes: the pharynx, the larynx, and along the cranial-caudal axis in the midline...
November 2016: Journal of Clinical Anesthesia
Junichi Ishio, Nobuyasu Komasawa, Yu Miyazaki, Haruki Kido, Toshiaki Minami
STUDY OBJECTIVE: This study aimed to test the hypothesis that insertion of the supraglottic device LMA-ProSeal (ProSeal) by novice doctors in anesthetized patients can be improved by using an intubating stylet to create a 90° bend and that better sealing pressure is achieved. DESIGN: Randomized clinical trial. SETTING: Operating room. PATIENTS: Seventy adult patients scheduled for elective surgery under general anesthesia using ProSeal with American Society of Anesthesiologists physical status 1 to 3...
November 2016: Journal of Clinical Anesthesia
Han Bum Joe, Jong Yeop Kim, Hyun Jeong Kwak, Sang Eon Oh, Sook Young Lee, Sung Yong Park
BACKGROUND: Remifentanil can improve insertion of a laryngeal mask airway (LMA) during induction with propofol. Recently, it has been suggested that there is a sex difference in opioid requirements for this procedure. The purposes of this study were to determine the effective effect-site concentration (Ce) of remifentanil for the facilitation of LMA insertion in male and female patients during propofol anesthesia without neuromuscular blockade and to evaluate whether there are sex differences in the Ce of remifentanil required for successful LMA insertion...
September 2016: Medicine (Baltimore)
Binod Kumar, Salar Khaleghzadegan, Brian Mears, Koji Hatano, Tarana A Kudrolli, Wasim H Chowdhury, David B Yeater, Charles M Ewing, Jun Luo, William B Isaacs, Luigi Marchionni, Shawn E Lupold
The Androgen Receptor (AR) plays a key role in prostate biology and in the progression of prostate cancer (PCa) to castration resistance. The role of microRNAs (miRNAs) in aberrant AR signaling have not been fully characterized. Here we screened a library of 810 miRNA mimics to identify miRNAs that alter AR activity in complementary functional assays including protein lysate microarray (LMA) quantification of AR and PSA protein levels, AR transcriptional reporter activity, and AR-positive PCa cell viability...
September 24, 2016: Oncotarget
Marc Kriege, Tim Piepho, Susanne Zanker, Christian Alflen, Florian Heid, Rüdiger R Noppens
BACKGROUND: Second-generation laryngeal masks with gastric access are increasingly used in daily practice and expand the indications for laryngeal masks in the OR. Only limited data exist comparing different types of laryngeal masks. We investigated the second-generation laryngeal masks LMA Supreme and Ambu AuraGain in a clinical setting. We hypothesized that the two devices would be comparable in terms of success rate and airway complications. METHODS: After approval from the local ethics committee, data were collected in a prospective trial...
September 27, 2016: Minerva Anestesiologica
Jorge O Oña-Ruales, Yosadara Ruiz-Morales
The annellation theory method has been used to predict the locations of maximum absorbance (LMA) of the ultraviolet-visible (UV-Vis) spectral bands in the group of polycyclic aromatic hydrocarbons (PAHs) C24H14 (dibenzo and naphtho) derivatives of fluoranthene (DBNFl). In this group of 21 PAHs, ten PAHs present a sextet migration pattern with four or more benzenoid rings that is potentially related to a high molecular reactivity and high mutagenic conduct. This is the first time that the locations of maximum absorbance in the UV-Vis spectra of naphth[1,2-a]aceanthrylene, dibenz[a,l]aceanthrylene, indeno[1,2,3-de]naphthacene, naphtho[1,2-j]fluoranthene, naphth[2,1-e]acephenanthrylene, naphth[2,1-a]aceanthrylene, dibenz[a,j]aceanthrylene, naphth[1,2-e]acephenanthrylene, and naphtho[2,1-j]fluoranthene have been predicted...
September 26, 2016: Applied Spectroscopy
Michael D Schwartz, Sarah W Black, Simon P Fisher, Jeremiah B Palmerston, Stephen R Morairty, Marius C Hoener, Thomas S Kilduff
Trace amine-associated receptor 1 (TAAR1) agonists have been shown to have pro-cognitive, antipsychotic-like, anxiolytic, weight-reducing, glucose-lowering and wake-promoting activities. We used Taar1 knockout (KO) and over-expressing (OE) mice and TAAR1 agonists to elucidate the role of TAAR1 in sleep/wake. EEG, EMG, body temperature (Tb) and locomotor activity (LMA) were recorded in Taar1 KO, OE and WT mice. Following a 24 h recording to characterize basal sleep/wake parameters, mice were sleep-deprived (SD) for 6 h...
September 23, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
Erika Y Rios-Iribe, Oscar M Hernández-Calderón, Eleazar M Escamilla-Silva
This study determined the specific uptake rate of glucose and corn oil substrates used as carbon sources in batch cultures of Gibberella fujikuroi. We tested three biological models of growth rate: Monod, logistic and lag-exponential. With respect to the substrate consumption rate, we tested two models: constant cell yield (CCY) and law of mass action (LMA). The experimental data obtained from the culture with glucose as substrate correlated satisfactorily with the logistic/LMA model, indicating that the cell yield was variable...
November 2016: World Journal of Microbiology & Biotechnology
Michael Bernhard, André Gries, Alexandra Ramshorn-Zimmer, Volker Wenzel, Bjoern Hossfeld
Background. Emergency airway management (AM) is a priority when resuscitating critically ill or severely injured patients. The goal of this study was to determine the success rates of LT insertion during AM. Methods. Studies that included LT first-pass insertion (FPI) and overall-pass insertion (OPI) success by emergency medical services and in-hospital providers performing AM for emergency situations as well as for scheduled surgery published until July 2014 were searched systematically in Medline. Results...
2016: BioMed Research International
Caineng Wu, Jianqi Wei, Qingyun Cen, Xuefan Sha, Qingxiang Cai, Wuhua Ma, Ying Cao
A difficult airway may lead to hypoxia and brain damage. The WEI Nasal Jet Tube (WNJ) is a new nasal pharyngeal tube that applies supraglottic jet oxygenation and ventilation (SJOV) for patients during tracheal intubation without the need for mask ventilation. We evaluated the effectiveness and safety of SJOV-assisted fibre-optic bronchoscopy (FOB) using the WNJ in the management of difficult tracheal intubations. A total of 50 adult patients with Cormack-Lehane grade ≥3 and general anesthesia with tracheal intubation were randomly assigned to either the laryngeal mask airway (LMA) or WNJ groups...
September 14, 2016: Internal and Emergency Medicine
Nicole Mohr, Cinja Kappel, Stefan Kramer, Matthias Bros, Stephan Grabbe, Rudolf Zentel
BACKGROUND: Successful tumor immunotherapy depends on the induction of strong and sustained tumor antigen-specific immune responses by activated antigen-presenting cells (APCs) such as dendritic cells (DCs). Since nanoparticles have the potential to codeliver tumor-specific antigen and DC-stimulating adjuvant in a DC-targeting manner, we wanted to assess the suitability of mannosylated HPMA-LMA block polymers for immunotherapy. MATERIALS & METHODS: Fluorescence-labeled block copolymer micelles derived from P(HPMA)-block-P(LMA) copolymers and according statistical copolymers were synthesized via RAFT polymerization, and loaded with the APC activator L18-MDP...
October 2016: Nanomedicine
Xiaojun Du, Songsong Mao, Jianxiu Cui, Jue Ma, Guangyan Zhang, Yong Zheng, Haiyu Zhou, Liang Xie, Dongkun Zhang, Ruiqing Shi, Gang Chen
BACKGROUND: The aim of the present study was to determine the safety and feasibility of the use of laryngeal mask airway (LMA) for non-endotracheal intubated anesthesia for patients with pectus excavatum (PE) undergoing thoracoscopic Nuss procedure. METHODS: Between July 2015 and December 2015, 30 selected patients with PE were planned to undergo a thoracoscopic Nuss procedure using LMA for non-endotracheal intubated anesthesia in the Guangdong General Hospital...
August 2016: Journal of Thoracic Disease
Alex Fajardo, Andrew Siefert
BACKGROUND AND AIMS: Ecologists are increasingly using plant functional traits to predict community assembly, but few studies have linked functional traits to species' responses to fine-scale resource gradients. In this study, it was tested whether saplings of woody species partition fine-scale gradients in light availability based on their leaf mass per area (LMA) in three temperate rain forests and one Mediterranean forest in southern Chile. METHODS: LMA was measured under field conditions of all woody species contained in approx...
September 6, 2016: Annals of Botany
Mona Sharma, Renu Sinha, Anjan Trikha, Rashmi Ramachandran, C Chandralekha
BACKGROUND AND AIMS: Laryngeal mask airway (LMA) cuff pressure increases when the air is used for the cuff inflation during oxygen: nitrous oxide (O2:N2O) anaesthesia, which may lead to various problems. We compared the effects of different gases for ProSeal LMA™ (PLMA) cuff inflation in adult patients for various parameters. METHODS: A total of 120 patients were randomly allocated to four groups, according to composition of gases used to inflate the PLMA cuff to achieve 40 cmH2 O cuff pressure, air (Group A), 50% O2 :air (Group OA), 50% O2:N2O (Group ON) and 100% O2 (Group O)...
August 2016: Indian Journal of Anaesthesia
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