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Intralipid

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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
#1
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
#2
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
#3
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
#4
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...
January 26, 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
#5
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
https://www.readbyqxmd.com/read/28108102/effects-of-soybean-lipid-infusion-on-unbound-free-fatty-acids-and-unbound-bilirubin-in-preterm-infants
#6
Thomas Hegyi, Alan Kleinfeld, Andrew Huber, Barry Weinberger, Naureen Memon, Weichung Joe Shih, Mary Carayannopoulos, William Oh
OBJECTIVE: To assess the effects of a soybean lipid emulsion infusions on levels of unbound (free) bilirubin (Bf) and unbound free fatty acids (FFAu) as well as changes in Bf and total serum bilirubin (TSB) during phototherapy in infants born preterm. STUDY DESIGN: Ninety-seven infants born preterm (birth weight: 500-2000 g; gestational age: 23-34 weeks) were enrolled to investigate the effect of 0, 1, 2, and 3 g/kg/d of intralipid infusion on Bf and FFAu. Pre- and postphototherapy TSB, FFAu, and Bf also were analyzed in 91 infants to assess the effects of phototherapy...
January 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28099175/two-for-one-a-case-report-of-intravenous-lipid-emulsion-to-treat-local-anesthetic-systemic-toxicity-in-term-pregnancy
#7
Jonathan Dun-Chi Lin, Eellan Sivanesan, Terese T Horlocker, Andres Missair
Combined spinal-epidural (CSE) analgesia is a frequently used method of labor analgesia. Although it is considered safe and effective, CSE can be complicated by local anesthetic systemic toxicity (LAST), a potentially life-threatening condition. We present a case of LAST that developed in a primigravida 50 minutes after uneventful placement of a CSE. Her symptoms resolved within 10 minutes of administering intralipid emulsion. She subsequently underwent cesarean delivery under spinal anesthesia for failure to progress without sequelae in the mother or infant...
January 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28075214/intralipid-vehicle-does-not-interfere-with-the-efficacy-of-progesterone-in-attenuating-edema-following-tbi
#8
Bushra Wali, Donald Stein, Iqbal Sayeed
The recent disappointing results of Phase 3 trials for progesterone (PROG) in traumatic brain injury (TBI) have triggered speculation about reasons for the negative outcomes. One confounding factor may have been the vehicle used to administer PROG. Virtually all of the many preclinical experiments informing the clinical trials and reporting beneficial PROG effects used more soluble 2-hydroxypropyl-b-cyclodextrin (HBC) as a vehicle given intraperitoneally or subcutaneously rather than a lipid formulation given intravenously (i...
January 11, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28046913/su-f-i-50-finite-element-based-deformable-image-registration-of-lung-and-heart
#9
R Penjweini, M Kim, T Zhu
PURPOSE: Photodynamic therapy (PDT) is used after surgical resection to treat the microscopic disease for malignant pleural mesothelioma and to increase survival rates. Although accurate light delivery is imperative to PDT efficacy, the deformation of the pleural volume during the surgery impacts the delivered light dose. To facilitate treatment planning, we use a finite-element-based (FEM) deformable image registration to quantify the anatomical variation of lung and heart volumes between CT pre-(or post-) surgery and surface contours obtained during PDT using an infrared camera-based navigation system (NDI)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044232/lipid-emulsions-containing-medium-chain-triacylglycerols-blunt-bradykinin-induced-endothelium-dependent-relaxation-in-porcine-coronary-artery-rings
#10
Said Amissi, Julie Boisramé-Helms, Mélanie Burban, Sherzad K Rashid, Antonio J León-González, Cyril Auger, Florence Toti, Ferhat Meziani, Valérie B Schini-Kerth
Lipid emulsions for parenteral nutrition are used to provide calories and essential fatty acids for patients. They have been associated with hypertriglyceridemia, hypercholesterolemia, and metabolic stress, which may promote the development of endothelial dysfunction in patients. The aim of the present study was to determine whether five different industrial lipid emulsions may affect the endothelial function of coronary arteries. Porcine coronary artery rings were incubated with lipid emulsions 0.5, 1, or 2% (v/v) for 30 min before the determination of vascular reactivity in organ chambers and the level of oxidative stress using electron paramagnetic resonance...
January 2, 2017: Lipids
https://www.readbyqxmd.com/read/28040957/distortion-correction-and-cross-talk-compensation-algorithm-for-use-with-an-imaging-spectrometer-based-spatially-resolved-diffuse-reflectance-system
#11
Derek J Cappon, Thomas J Farrell, Qiyin Fang, Joseph E Hayward
Optical spectroscopy of human tissue has been widely applied within the field of biomedical optics to allow rapid, in vivo characterization and analysis of the tissue. When designing an instrument of this type, an imaging spectrometer is often employed to allow for simultaneous analysis of distinct signals. This is especially important when performing spatially resolved diffuse reflectance spectroscopy. In this article, an algorithm is presented that allows for the automated processing of 2-dimensional images acquired from an imaging spectrometer...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28005083/attenuating-effects-of-caffeic-acid-phenethyl-ester-with-intralipid-on-hepatotoxicity-of-chlorpyrifos-in-the-case-of-rats
#12
Recep Dokuyucu, Ali Bilgili, Basak Hanedan, Hatice Dogan, Ahmet Dokuyucu, Muhammed Murat Celik
BACKGROUND: Chlorpyrifos (CPF), insecticide widely used in agriculture, may cause poisonings in the case of humans. As a result, there is a large amount of treatment research underway to focus on the possibility of chlorpyrifos induced poisonings. The aim of this study has been to evaluate the effects of caffeic acid phenethyl ester (CAPE) and intralipid (IL) on hepatotoxicity induced by chlorpyrifos in the case of rats. MATERIAL AND METHODS: The rats in this study were treated with CPF (10 mg/kg body weight (b...
December 22, 2016: Medycyna Pracy
https://www.readbyqxmd.com/read/27966330/therapeutic-effects-of-intralipid-and-medialipid-emulsionsin-a-rat-model-of-verapamil-toxicity
#13
Fatma Akgün Şahin, Sıdıka Hülya Çelebi, İrfan Güngör, Demet Coşkun, Elif Ergüven Kaya
BACKGROUND/AIM: Lipid emulsions are promising as a potential new therapy for severe verapamil overdose. Our purpose is to draw attention to the choice of solution by investigating the efficacy of intralipid 20% or medialipid 20% in verapamil overdose. MATERIALS AND METHODS: Eighteen adult Sprague Dawley rats were randomly divided into three groups: control (saline; Group C), intralipid 20% (Group I), and medialipid 20% (Group M). Rats were anesthetized with ketamine...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27932764/-effect-of-prolonged-propofol-infusion-on-myocardial-enzyme-mitochondrial-cytochrome-c-and-adenosine-%C3%A2-triphosphate-in-rabbits
#14
Guangmin Xu, Zhixun Lan, Xianxiang Tong
To explore the effect of long-time propofol infusion on myocardial enzymes, mitochondrial cytochrome C and ATP in rabbits. 
 Methods: A total of 18 New Zealand rabbits were randomly divided into 3 groups: a control group, a propofol group and an intralipid group. The rabbits were continuously infused with 0.9% normal saline in the control group, 1% propofol in the propofol group, and 10% intralipid in the intralipid group, respectivey. The arterial blood was collected at 0, 8, 16 h and the end of experiment to examine creatine kinase (CK) and creatine kinase isoenzyme (CK-MB)...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27923526/the-effect-of-intradialytic-intralipid-therapy-in-pediatric-hemodialysis-patients
#15
Orly Haskin, Scott M Sutherland, Cynthia J Wong
OBJECTIVE: Growth of children on maintenance hemodialysis is poor. Oral nutritional supplements are the preferred way to augment nutrition; however, many children have difficulties adhering to prescribed oral supplements. In our unit, we have been utilizing intralipid (IL) therapy as nutritional supplement during hemodialysis sessions. The aim of this study was to assess the safety, efficacy, and benefits of intradialytic IL therapy. DESIGN: A retrospective chart review...
December 3, 2016: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/27884341/propofol-inhibits-t-helper-cell-type-2-differentiation-by-inducing-apoptosis-via-activating-gamma-aminobutyric-acid-receptor
#16
Jingxia Meng, Xin Xin, Zhen Liu, Hao Li, Bo Huang, Yuguang Huang, Jing Zhao
BACKGROUND: Propofol has been shown to attenuate airway hyperresponsiveness in asthma patients. Our previous study showed that it may alleviate lung inflammation in a mouse model of asthma. Given the critical role of T-helper cell type-2 (Th2) differentiation in asthma pathology and the immunomodulatory role of the gamma-aminobutyric acid type A (GABAA) receptor, we hypothesized that propofol could alleviate asthma inflammation by inhibiting Th2 cell differentiation via the GABA receptor...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27878878/efficacy-and-safety-of-amphotericin-b-lipid-based-formulations-a-systematic-review-and-meta-analysis
#17
Laiza M Steimbach, Fernanda S Tonin, Suzane Virtuoso, Helena H L Borba, Andréia C C Sanches, Astrid Wiens, Fernando Fernandez-Llimós, Roberto Pontarolo
Invasive fungal infections, an important cause of mortality, are primarily treated using amphotericin B, which is available in different formulations, both conventional and lipid-based (liposomal, lipid complex, colloidal dispersion and Intralipid(®) infusion). The aim of our study was to determine the efficacy and safety of conventional amphotericin B vs its lipid-based formulations. A systematic review followed by pairwise meta-analysis was performed, including randomised controlled trials (RCTs) that evaluated the use of lipid-based amphotericin B in patients with any degree of immunosuppression and susceptibility to invasive fungal infection...
November 22, 2016: Mycoses
https://www.readbyqxmd.com/read/27847332/intralipid-protects-the-heart-in-late-pregnancy-against-ischemia-reperfusion-injury-via-caveolin2-stat3-gsk-3%C3%AE-pathway
#18
Jingyuan Li, Gregoire Ruffenach, Georgios Kararigas, Christine M Cunningham, Negar Motayagheni, Neusha Barakai, Soban Umar, Vera Regitz-Zagrosek, Mansoureh Eghbali
BACKGROUND: We recently demonstrated that the heart of late pregnant (LP) rodents is more prone to ischemia/reperfusion (I/R) injury compared to non-pregnant rodents. Lipids, particularly polyunsaturated fatty acids, have received special attention in the field of cardiovascular research. Here, we explored whether Intralipid (ITLD) protects the heart against I/R injury in LP rodents and investigated the mechanisms underlying this protection. METHODS AND RESULTS: In-vivo female LP rat hearts or ex-vivo isolated Langendorff-perfused LP mouse hearts were subjected to ischemia followed by reperfusion with PBS or ITLD (one bolus of 5mg/kg of 20% in in-vivo and 1% in ex-vivo)...
November 12, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27811952/lipid-stimulation-of-fatty-acid-sensors-in-the-human-duodenum-relationship-with-gastrointestinal-hormones-bmi-and-diet
#19
N Cvijanovic, N J Isaacs, C K Rayner, C Feinle-Bisset, R L Young, T J Little
BACKGROUND AND AIMS: The small intestinal free fatty acid (FFA) sensors, FFA receptor 1 (FFAR1), FFAR4, G-protein receptor 119 (GPR119) and cluster of differentiation-36 (CD36), mediate the fat-induced release of gastrointestinal (GI) hormones. We investigated whether expression of duodenal FFA sensors in humans was (i) altered by intraduodenal (ID) lipid infusion, (ii) disordered in overweight or obese individuals, (iii) related to lipid-induced GI hormone secretion or (iv) affected by habitual dietary patterns...
November 29, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27810339/novel-immunotherapeutic-approaches-for-treatment-of-infertility
#20
REVIEW
Samaneh Abdolmohammadi-Vahid, Shahla Danaii, Kobra Hamdi, Farhad Jadidi-Niaragh, Majid Ahmadi, Mehdi Yousefi
One of the most important reasons of infertility and human reproductive failure is related to uncontrolled immunological response of maternal immune system to early embryo or fetus, that cause rejection of this semi-allograft. Therefore, a tolerance in the immune system is essential to modulate the reactions against the fetus to avoid rejection. The immune system imbalance during implantation or pregnancy may lead to implantation failure or miscarriage. So, use of immunosuppressive or immunomodulator agents can be helpful to prevent immunological attack...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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