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Intralipid

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https://www.readbyqxmd.com/read/28537978/intralipid-restoration-of-myocardial-contractions-following-bupivacaine-induced-asystole-concentration-and-time-dependence-in-vitro
#1
Wyun Kon Park, Hyun Soo Kim, Soo Hwan Kim, Ja Rang Jung, Carl Lynch, Nar Hyun Min
BACKGROUND: The concentration- and time-response relationships of lipid emulsion (LE; Intralipid) on the recovery of myocardial contractility following bupivacaine (BPV)-induced asystole are poorly defined. METHODS: After achieving asystole by 500-μM BPV, varied concentrations of LE were applied to determine the recovery of stimulated contractile responses and contractions in the cardiac tissues of guinea pigs at a 1.2-Hz stimulation rate. These experiments were performed with LE in either a recirculating (2%-16%) or washout (nonrecirculating) condition (0...
May 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28506190/comparison-of-blood-glucose-monitoring-systems-for-use-in-insulin-clamp-studies-during-either-intralipid-or-glycerol-co-infusions
#2
Jonathan Q Purnell, Julie Martin, Melanie Gillingham
No abstract text is available yet for this article.
May 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28464418/measurement-of-optical-properties-of-pig-esophagus-by-using-a-modified-spectrometer-set-up
#3
Martin Hohmann, B Lengenfelder, R Kanawade, F Klämpfl, A Douplik, H Albrecht
Optical properties (μa , μs and g) of certain human tissue types such as skin and blood have been very well investigated. However until today, for internal body organs such as the esophagus they are not well characterized. For ex-vivo measurements "Inverse Adding Doubling" (IAD) and Inverse Monte-Carlo-Simulation (IMCS) are state of the art. Both methods need the measurement of the collimated transmission. Current methods lack a proper way of measuring the collimated transmission. Hence, this measurement of the g-factor has a systematic error...
May 2, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28460894/intravenous-administration-of-oxytocin-in-rats-acutely-decreases-deprivation-induced-chow-intake-but-it-fails-to-affect-consumption-of-palatable-solutions
#4
Anica Klockars, Chloe Brunton, Lu Li, Allen S Levine, Pawel K Olszewski
Despite its limited ability to cross the blood-brain barrier, peripherally administered oxytocin (OT) acutely decreases food intake, most likely via the brainstem and hypothalamic mechanisms. Studies performed to date have focused mainly on the effects of subcutaneous or intraperitoneal OT on the consumption of only solid calorie-dense diets (either standard or high-fat), whereas it is unknown whether, similarly to central OT, peripherally administered peptide reduces intake of calorie-dilute and non-caloric palatable solutions...
April 28, 2017: Peptides
https://www.readbyqxmd.com/read/28433363/the-molecular-impact-of-omega-3-fatty-acids-on-hepatic-pro-inflammatory-cytokine-signaling
#5
George J Ventro, Yingkui Yang, Min Chen, Carroll M Harmon
PURPOSE: Parenteral nutrition associated liver disease (PNALD) develops in a subset of children receiving parenteral nutrition for intestinal failure. Omegaven™ is an omega-3 fatty acid (Ω3FA) lipid emulsion high in docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) that can lessen PNALD. Inflammatory cytokines (IL-1, TNF-α, TGF-β) are elevated in PNALD and can decrease paraoxonase 1 protein expression (PON1). We sought to determine the effect of Omegaven™, EPA, and DHA on inflammatory cytokines TNF-α, IL-1, and TGF-β via ERK1/2 and p-Smad2/3 signaling pathways as well as the changes in intracellular PON1 protein expression as a potential mechanism explaining the protective effects of Omegaven™ and Ω3FA...
March 18, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28429598/preliminary-clinical-validation-of-a-differential-correction-method-for-improving-measurement-accuracy-in-noninvasive-measurement-of-blood-glucose-using-near-infrared-spectroscopy
#6
Guang Han, Xuyao Yu, Dandan Xia, Rong Liu, Jin Liu, Kexin Xu
One of the main challenges in the noninvasive sensing of blood glucose by near-infrared (NIR) spectroscopy is the background variations from light source drift, sweating, and temperature change at the human-machine interface. In this paper, a differential correction method based on the spectra from the floating-reference position and measuring position is proposed to eliminate these spectral variations from background interferences. Its effectiveness was validated by in vitro and in vivo experiments in which the diffuse reflectance of intralipid solutions and human skin was collected at the source distances of 0...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28426148/three-dimensional-finite-element-based-deformable-image-registration-for-evaluation-of-pleural-cavity-irradiation-during-photodynamic-therapy
#7
Rozhin Penjweini, Michele M Kim, Timothy C Zhu
PURPOSE: Photodynamic therapy (PDT) is used after surgical resection to treat the microscopic disease for malignant pleural mesothelioma and to increase survival rates. As accurate light delivery is imperative to PDT efficacy, the deformation of the pleural volume during the surgery is studied on its impact on the delivered light fluence. In this study, a three-dimensional finite element-based (3D FEM) deformable image registration is proposed to directly match the volume of lung to the volume of pleural cavity obtained during PDT to have accurate representation of the light fluence accumulated in the lung, heart and liver (organs-at-risk) during treatment...
April 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28416843/-influences-of-repeated-propofol-anesthesia-on-hippocampal-apoptosis-and-long-term-learning-and-memory-abilities-of-neonatal-rats
#8
Y J Wang, X Y Guo, J Wang
OBJECTIVE: To investigate the influences of repeated propofol anesthesia on the hippocampal apoptosis and the long-term learning and memory abilities of neonatal rats. METHODS: In the study, 45 male Sprague-Dawley rats, aged 7 days, were randomly divided into 3 group (n=15 each): control group (C group) that received intralipid 7.5 mL/kg intraperitioneal (IP) once a day×7 days; group propofol 1 (P1) that received propofol 75 mg/kg IP once a day×7 days; group propofol 2 (P2) that received intralipid 7...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28394447/mu-opioid-receptor-signaling-in-the-nucleus-accumbens-shell-increases-responsiveness-of-satiety-modulated-lateral-hypothalamus-neurons
#9
Shashank Tandon, Kristen A Keefe, Sharif A Taha
Opioid signaling in the nucleus accumbens shell (sNAcc) has been implicated in hedonic feeding and binge eating behavior. The sNAcc projects to the lateral hypothalamus (LH), and this pathway has been suggested to modulate palatability-driven feeding behavior. In this study, we investigated the effects of sNAcc mu opioid receptor (MOR) stimulation on firing rates of LH neurons in previously sated rats. Neural firing in the LH was recorded while food-deprived rats performed an operant task to obtain sweetened Intralipid (a 4% fat emulsion containing 5% sucrose) before and after bilateral sNAcc infusion of either a MOR agonist [D-Ala2, N-MePhe4, Gly-ol]-enkephalin (DAMGO) or a saline control solution...
April 10, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28364393/lipid-emulsion-enhances-cardiac-performance-after-ischemia-reperfusion-in-isolated-hearts-from-summer-active-arctic-ground-squirrels
#10
Michele M Salzman, Qunli Cheng, Richard J Deklotz, Gurpreet K Dulai, Hunter F Douglas, Anna E Dikalova, Dorothee Weihrauch, Brian M Barnes, Matthias L Riess
Hibernating mammals, like the arctic ground squirrel (AGS), exhibit robust resistance to myocardial ischemia/reperfusion (IR) injury. Regulated preference for lipid over glucose to fuel metabolism may play an important role. We tested whether providing lipid in an emulsion protects hearts from summer-active AGS better than hearts from Brown Norway (BN) rats against normothermic IR injury. Langendorff-prepared AGS and BN rat hearts were perfused with Krebs solution containing 7.5 mM glucose with or without 1% Intralipid™...
March 31, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28342365/the-effects-of-propofol-on-the-growth-behavior-of-hepatoma-xenografts-in-balb-c-mice
#11
Yi Liu, Na Zhang, Quanjun Cao, Xuejie Cui, Qiaoling Zhou, Chengxiang Yang
OBJECTIVE: Studies on the effects of propofol on the growth of hepatoma xenografts in Balb/c mice. METHODS: In an effort to establish a hepatoma-xenograft model of BALB/C mice, human hepatocellular carcinoma cells SMMC-7721 were inoculated subcutaneously into BALB/C mice. Forty mice were randomly divided into five different groups (n=8): control group (C group), Intralipid group (Y group), low dose (50mg/kg) propofol group (P1 group), medium dose (100mg/kg) propofol group (P2 group) and high dose (150mg/kg) propofol group (P3 group)...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28326740/successful-pregnancy-after-intralipid-addition-to-sildenafil-and-enoxaparin-in-woman-with-history-of-recurrent-pregnancy-loss-rpl
#12
Malgorzata Jerzak, Monika Szafarowska, Monika Kniotek, Andrzej Gorski
OBJECTIVES: Does addition of Intralipid to sildenafil and enoxaparin immunotherapy improve pregnancy outcome? MATERIALS AND METHOD: Report of a striking case of a patient with history of 4 recurrent pregnancy losses (RPL) and IVF failures. RESULTS: Adding of Intralipid resulted in giving birth to a healthy male baby in the 3th IVF cycle. CONCLUSION: Combination therapy that includes Intralipid may generate successful IVF outcome, although this problem merits further study, especially regarding safety issues...
December 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28254832/dramatic-resuscitation-with-intralipid-in-an-epinephrine-unresponsive-cardiac-arrest-following-overdose-of-amitriptyline-and-propranolol
#13
Philippe Le Fevre, Mark Gosling, Keyur Acharya, Andrew Georgiou
Amitriptyline and propranolol are life threatening in overdose. The efficacy of intravenous lipid emulsion (ILE) in tricyclic antidepressant and propranolol overdose is unclear. We report a dramatic response to ILE following pulseless electrical activity arrest due to mixed amitriptyline and propranolol overdose.
March 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28246176/effect-of-intralipid-postconditioning-on-myocardial-injury-in-patients-undergoing-valve-replacement-surgery-a-randomised-controlled-trial
#14
Rong-Hua Zhou, Hui Yu, Xiao-Rong Yin, Qi Li, Hong Yu, Hai Yu, Chan Chen, Ji-Yue Xiong, Zhen Qin, Ming Luo, Zhao-Xia Tan, Ting Liu
OBJECTIVE: This study was conducted to determine whether the administration of intralipid just before aortic cross-unclamping would reduce myocardial injury in patients undergoing valve replacement surgery. METHODS: Seventy-three adult patients, scheduled for elective aortic or mitral valve surgery without significant coronary stenosis (>70%), were randomly assigned to the intralipid postconditioning (ILPC) group (n=37) or control group (n=36): the ILPC group received an intravenous infusion of 20% intralipid (2 mL/kg) just 10 min before aortic cross-unclamping, and the control group received an equivalent volume of normal saline...
February 28, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28231371/efficacy-of-intralipid-infusion-in-reducing-amphotericin-b-associated-nephrotoxicity-in-head-and-neck-invasive-fungal-infection-a-randomized-controlled-trial
#15
Mehrdad Hasibi, Sirous Jafari, Seyyed Ali Manshadi, Marjan Asadollahi, Mohammadreza Salehi, Varasteh Vakili Zarch, Ali Kouhi
Amphotericin B deoxycholate (ABD) is the best therapeutic agent available for the treatment of most systemic fungal infections. However, some untoward adverse effects such as nephrotoxicity may limit its appropriate therapeutic use. We conducted a randomized, controlled trial ofthe infusion of fat emulsion (Intralipid) shortly after the infusion of ABD to evaluate its effects on reducing ABD-associated nephrotoxicity. Our patient population was made up of 31 patients who were randomized into two groups: an intervention group (n = 16) and a control group (15 patients)...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28164612/evaluation-of-the-in-vitro-interference-of-hemoglobin-lipids-and-bilirubin-on-the-measurement-of-plasma-advanced-oxidation-protein-products
#16
Lara P Cargnin, Bruna S Hausen, Etiane Tatsch, Manuela B Sangoi, Rafael N Moresco
BACKGROUND: The pre-analytical phase is the most vulnerable and contributes to the majority of errors in laboratory assays. Therefore, the aim of this study was to evaluate in vitro interference of hemoglobin, lipids, and bilirubin on measurement of plasma advanced oxidation protein products (AOPPs). METHODS: AOPPs were measured in a sample spiked with increasing concentrations of hemoglobin, Intralipid® 20% or bilirubin. Then, the relative deviation of the result from the nonspiked baseline value was calculated...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28158129/concentration-dependent-correlated-scattering-properties-of-intralipid-20-dilutions
#17
Michael Raju, Sujatha Narayanan Unni
Dilutions of Intralipid 20% are widely used as optical phantoms for mimicking scattering properties of turbid media such as tissues. One of the frequently used methodologies for quantifying the scattering coefficient and anisotropy of Intralipid 20% is the use of single-particle Mie scattering theory, which in fact is not valid for nontenuous media. Hence, two methodologies consisting of analytical wave theory and effective medium theory, incorporating particle size distribution and concentration-dependent correlated scattering phenomena, are used to estimate the effective scattering coefficient and anisotropy of Intralipid 20% dilutions (1%-100% v/v) from 380 to 1000 nm...
February 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/28157850/impact-of-a-detector-dead-time-in-phase-resolved-doppler-analysis-using-spectral-domain-optical-coherence-tomography
#18
Julia Walther, Edmund Koch
For any oblique sample movement containing a transverse velocity component, the commonly used linear relationship between the phase shift and the axial velocity component is erroneous for spectrometer-based optical coherence tomography (spectral domain OCT, SD-OCT). We recently proposed a new Doppler model that assumes a continuous integration of the photocurrent. In this research, we extend the model for detectors with a shutter control by taking detector dead time into account. We present the new relation between phase shift and oblique sample displacement as well as the correlation of the phases of consecutive depth scans, in dependency on the detector dead times ranging from 5% to 90%, as numerically calculated universal contour plots, which are valid for any center wavelength and sample beam size...
February 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/28132914/acquisition-and-expression-of-fat-conditioned-flavor-preferences-are-differentially-affected-by-nmda-receptor-antagonism-in-balb-c-and-swr-mice
#19
Tamar T Kraft, Donald Huang, Sam LaMagna, Deena Warshaw, Elona Natanova, Anthony Sclafani, Richard J Bodnar
Conditioned flavor preferences are elicited by fat (Intralipid) in inbred mouse strains with BALB/c and SWR mice displaying among the most robust preferences. Dopamine D1 and opioid receptor antagonism differentially reduces the acquisition (learning) and expression (maintenance) of fat-conditioned flavor preferences in these two strains. Because noncompetitive NMDA receptor antagonism with MK-801 differentially altered sugar-conditioned flavor preferences in these strains, and because NMDA receptors are involved in fat intake, the present study examined whether MK-801 differentially altered expression and acquisition of fat (Intralipid)-conditioned flavor preferences in BALB/c and SWR mice...
March 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28126549/leaching-of-plasticizers-from-polyvinylchloride-perfusion-lines-by-different-lipid-emulsions-for-premature-infants-under-clinical-conditions
#20
David Faessler, Gregor McCombie, Maurus Biedermann, Florian Felder, Ulrike Subotic
Plasticizers migrate from polyvinylchloride (PVC) infusion systems into lipid emulsions. The aim of this study was to investigate the leaching of different plasticizers from PVC perfusion lines by a selection of lipid emulsions under clinical conditions. Seven PVC perfusion lines with an equal length of 150cm and three internal diameters were perfused with three lipid emulsions: Intralipid(®) 20%, ClinOleic(®) 20% and SMOFlipid(®) 20%, mimicking clinical conditions. The concentrations of the plasticizers were measured directly in the emulsions by gas chromatography - mass spectrometry...
January 23, 2017: International Journal of Pharmaceutics
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